How To Use Pollen In A Sentence
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The foraging bee, if alive after its visit to the beautiful white flowers of almonds, for example, laden with invisible spheres of asphyxiating gas, would be bringing back to its home pollen and nectar mixed with parathion.
Honeybees in Danger
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The dominant ones were tree rings, and ice cores, but others like varves, pollen, lichens, historic soil temperatures, sea level (eustasy), land levels (isostasy) require similar audits.
Merry Christmas « Climate Audit
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Pollen is dust gathered by bees from stamens and collected from the hives as tiny pellets.
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However, it is hardly an unsolvable mystery: remember that there were plants with sap, leaves, seeds, spores and pollen in the Paleozoic, long before flowering plants appeared.
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One means of correcting this mistake is to graft a limb of an appropriate pollenizer (generally a variety of crabapple) every six trees or so.
Pollination
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Hay fever is really an allergy to pollen and the peak time is early June.
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The pollen from a mallow flower. Its spines help it cling to birds' feathers .
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The farther pollen rides the artificial gusts, the more likely it belongs to a wind-pollinated plant.
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More than one half of the sphingids presented pollen from only one or two species of plants.
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In the new study, the researchers surveyed more than 2,000 proteins expressed on synergid cells to clinch the exact molecules luring pollen tubes to the embryo sac.
Science News / Features, Blog Entries, Column Entries, Issues, News Items and Book Reviews
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In fact, ubiquitin-mediated protein breakdown is involved: the plant recognises and rejects its own pollen!
The Nobel Prize in Chemistry 2004
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bees hive honey and pollen
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They grow flowers, but the male anthers are stunted or withered: Seed but no pollen is produced.
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To deal first with the microsporangium or pollen-sac.
Scientific American Supplement, No. 531, March 6, 1886
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Pollen traps constructed from petroleum jelly on microscope slides were attached to vertical wooden laths facing the direction of the prevailing wind.
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They become dusted with pollen from male flowers and, as they blunder around, they transfer it to the female flowers.
Times, Sunday Times
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Pumpkin breeding is done by hand, with breeders using pollen from one variety to pollinate another, he said.
Pumpkin Farmers Profit From Odd, Ugly Varieties
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This study concentrates on these parameters using purified exines (sporopollenin capsules) prepared from pine pollen, which consist of a central capsule and two lateral sacci.
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Bee pollen is used to improve digestive assimilation as well as athletic performance.
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In this study, the extent of reduction in seed production due to insufficient pollen quantity and quality were examined in a naturally pollinated M. stellata population.
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Roses produce heavy pollen which is less likely to be spread by the wind.
Times, Sunday Times
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Pollen was sedimented by centrifugation at 100 g for 2 min and the excess sucrose drawn off by pipette.
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Their diet consists of nectar, pollen, flowers, fruits and unripe grains.
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They have been known for about fifty years and look quite different from any other pollen, fossil or modern.
EXTINCTION: Evolution and the End of Man
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If the pollen from one of the genus Primula fertilises an ovule belonging to a flower of e.g., the genus Hottonia, a bigener would result.
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Early microsporogenesis events are important to establish the shape of the tetrad, the polarity within the tetrad and consequently to determine the aperture pattern of the pollen grain.
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Paleobotany: Sedimentary rocks show pollen in very deep, "Precambrian" strata.
CreationWiki - Recent changes [en]
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Darwin's keen analogy of the fertilization of plants by pollen renders development from without conceivable, but as there are no insects to convey gemmules to their destination, each kind of gemmule would have to be exceedingly numerous and easily attracted from amongst an inconceivable number of other gemmules.
Are the Effects of Use and Disuse Inherited? An Examination of the View Held by Spencer and Darwin
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The wild and weedy rice taxa were used as pollen recipients, whereas the cultivated rice was used as the pollen donor.
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The pollen cells are formed from mother cells by a process of cell division and subsequent setting free of the daughter cells or pollen cells by rejuvenescence, which is distinctly comparable with that of the formation of the microspores of Lycopodiaceæ, etc. The subsequent behavior of the pollen cell, its division and its fertilization of the germinal vesicle or oosphere, leave no doubt as to its analogy with the microspore of vascular cryptogams.
Scientific American Supplement, No. 531, March 6, 1886
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The filter removes pollen and dust that is brought in from the outside through the heating and cooling system.
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Wrangham -- a college acquaintance of mine, -- an admirer of me, and a pitier of my principles; -- one to George Augustus Pollen, Esq.; one to
Biographia Epistolaris, Volume 1.
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The online service has been launched just as the pollen season kicks in.
The Sun
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For estimation of pollen production, two anthers from each flower bud were examined.
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Cut sweetbreads into four even pieces; dust with fennel pollen.
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Pollen was germinated in vitro in liquid medium for 10 min and harvested by centrifugation.
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Native social bees visit only male inflorescences in search of pollen and nectar.
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Each year the pollen seasons follow the same general pattern.
Times, Sunday Times
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These I attempted to fertilise, but with two only of the six have I been successful: I succeeded in forcing a single pollen-mass into the stigmatic chamber of one of the latter, but I failed to do this on the other; however, by inserting a portion of a pedicel with a pollinium attached, I caused the latter to adhere, with a gentle press, to the mouth of the stigmatic chamber.
More Letters of Charles Darwin — Volume 2
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One surprise is that pollen counts are increasing more in urban areas than in the countryside.
Times, Sunday Times
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Other common allergies are to pollen, house dust mites and chemicals such as washing powder.
Times, Sunday Times
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Females produced more pollen per anther than males, and pollen size was the same in both sexes.
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He who will carefully examine the flowers of orchids for himself will not deny the existence of the above series of gradationsfrom a mass of pollen-grains merely tied together by threads, with the stigma differing but little from that of an ordinary flower, to a highly complex pollinium, admirably adapted for transportal by insects; nor will he deny that all the gradations in the several species are admirably adapted in relation to the general structure of each flower for its fertilisation by different insects.
VII. Miscellaneous Objections to the Theory of Natural Selection
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Most adult lacewings get their sustenance from pollen, nectar, and the honeydew produced by aphids and scales.
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In several cases the pollen tubes emerged and elongated rapidly, then burst, with the cytoplasm streaming out of the burst tip.
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Some people nuisance of seasonal hay fever, snuffling and sneezing as pollen flows through the air.
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Pollinators visit flowers in search of oils, floral fragrances, pollen or floral nectar.
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The macrospore or embryo-sac produces a prothallium called the endosperm, in which archegonia or corpuscula are formed; and lastly, in typical dicotyledons it is only lately that any trace of a prothallium from the microspore or pollen cell has been discovered, while the macrospore or embryo-sac produces only two or three prothallium cells, known as antipodal cells, and two or three oospheres, known as germinal vesicles.
Scientific American Supplement, No. 531, March 6, 1886
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Almost everybody knows that the function of the stamen is the secretion of pollen.
My Studio Neighbors
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The genus is characterized by tetramerous flowers with bithecal anthers, lack of pseudostaminodia, a capitate or poorly defined stigma, and pollen of the Amaranthus type.
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Gack, this pollen really is bad for the throat and the eyes.
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It consists of three parts; the germen, which is the rudiment of the fruit accompanying the flower, but not yet arrived at maturity; the style, which is the part that serves to elevate tjbe stigma from the germen; and the stigma, which is the summit of the pistillum, and covered with a moisture f (M* the breaking of the pollen, which is dis - charged by the anthorse.
A View of Nature: In Letters to a Traveller Among the Alps
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But if, say, the chapter on palynology doesn't quite equip historians to go out and study fossil pollen themselves, it will at least enable them to talk intelligently with specialists who can.
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The online service has been launched just as the pollen season kicks in.
The Sun
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Hay fever sufferers should check the pollen count every day.
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Pollen grain number was calculated for 20 flowers (five each from four trees) of each type.
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Uppdaterat: 17:37, skånsk tidhållning Jag modifierade "pollen" lite så de 3 som redan hade röstat får göra det igen.
Är här några andra skåningar?
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The findings correlate with analysis last year by the National Wildlife Federation that found ragweed growth rates and pollen counts increased with global warming.
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In addition, it is questionable whether retention of water is significant for pollen that is shed in the dry state.
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This courier service could be most economically operated if both pollen and egg were placed close together on the plant.
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Quia ego hanc amo et haec me amat, huic quod dem nusquam quicquam est, hinc med amantem ex aedibus eiecit huius mater. argenti viginti minae me ad mortem appulerunt, quas hodie adulescens Diabolus ipsi daturus dixit, ut hanc ne quoquam mitteret nisi ad se hunc annum totum. videtin viginti minae quid pollent quidve possunt? ille qui illas perdit salvos est, ego qui non perdo pereo.
Amphitryo, Asinaria, Aulularia, Bacchides, Captivi Amphitryon, The Comedy of Asses, The Pot of Gold, The Two Bacchises, The Captives
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This specialized system is thought to be an adaptation promoting allogamy by secondary pollen presentation.
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Surrounding the pistil are the stamens, few or many, the anther at the extremity containing the powdery pollen.
My Studio Neighbors
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Tiny insects can trigger an explosive opening of mature bunchberry flowers; they are showered with pollen as they fly away to pollinate the next bunchberry plant.
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A freeze at this stage can kill or damage the pollen-producing anthers, affecting kernel development and possibly causing the plant to become sterile.
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The butternut is the first to shed pollen in Indiana with the catkins dropping, in some years, by late April and the first week in
Northern Nut Growers Association Report of the Proceedings at the 44th Annual Meeting Rochester, N.Y. August 31 and September 1, 1953
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Though the terms are sometimes confused, a pollinator is different from a pollenizer, which is a plant that is a source of pollen for the pollination process.
Pollinator
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If nutritional deficiencies lead to increased pistil abortion and formation of staminate flowers, the nutritional deficit might also affect pollen production or pollen quality.
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Only superstition is now so well advanced, that men of the first blood, are as firm as butchers by occupation; and votary resolution, is made equipollent to custom, even in matter of blood.
The Essays
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The pollen count is high today, which is bad news for hay fever sufferers.
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This species has a peculiar mechanism by which the flower dispenses pollen to different visitors.
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The peak season for grass pollen is June and July.
Times, Sunday Times
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Cats can also become allergic to certain kinds of food and also to inhaled pollen and dust.
Times, Sunday Times
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The number of pollen tubes and ovules in the ovaries of each of six dissected pistils from each cross is shown.
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There have been cases where the pollen filter casing doesn't seal correctly with the metal of the bodywork.
Times, Sunday Times
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A blustery wind may help in dispersing the pollen, but it will also carry it further.
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The effects of pollen mentor, growth regulator and embryo culture on interspecific hybridization of Prunus mume are studied.
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Newly emerged workers have a similar membrane fatty acid composition to queens but within the first week of hive life, they increase the polyunsaturate content and decrease the monounsaturate content of their membranes, probably as a result of pollen consumption.
Longevity and membrane saturation | The Blog of Michael R. Eades, M.D.
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During the visits to S. vaginatum flowers, portions of pollen, identified by its bright orange color, adhered to the head and on the ventral thorax of the syrphids, as well as (but to a lesser extent) to their legs and ventral abdomen.
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The park contains habitat for at least eight endangered mammal species and is also proving to be an important geobotanical laboratory for studies on pollen and climatic changes in the Amazon basin.
Rio Abiseo National Park, Peru
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On the other hand all walnut, pecan, and hickory species are self-fertile and cross-fertile, but may be self-unfruitful because of dichogamy, because they may shed their pollen either before or after the stigmas of the pistillate flowers are receptive to it.
Northern Nut Growers Association Incorporated 39th Annual Report at Norris, Tenn. September 13-15 1948
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Native social bees visit only male inflorescences in search of pollen and nectar.
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Tiny insects can trigger an explosive opening of mature bunchberry flowers, and are showered with pollen as they fly away.
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When taking nectar, hummingbirds contacted anthers, receiving pollen on their bill.
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Avoid trips to the country while the pollen count is high.
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The splitting of the rostellum, curiously enough, never happens without insect aid; but if a bristle or needle be passed over it ever so lightly, a stream of sticky, milky fluid exudes, hardens, and the boat-shaped disk, with pollen masses attached, may be withdrawn on the bristle just as the bee removes them with her tongue.
Wild Flowers Worth Knowing
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The hooter buys snacks at ordinary times, buy pollen, or money paying a car, can plant with this " cost certificate " , can hold after collection of butcher, wagoner convert ready money to bagnio .
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Aneuploid pollen grains compete poorly with euploid pollen and so aneuploidies are eliminated when propagated through the male.
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This suggests that pollen viability corresponds more closely to the exponential quadratic model than to either the additive or the multiplicative model.
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As the style grows and the papillae develop, adherent pollen grains are observed with increasing frequency.
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Tests for allergies to pollen, animal fur and dust mites were negative.
The Sun
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The air is balmy; the smiling lawns are gay with a thousand little flowers, dandelions, rock-roses, tansies and daisies, among which the harvesting Bee rolls gleefully, covering herself with pollen.
Bramble-Bees and Others
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Do these chinks through which the pollen escapes correspond (as would at first sight seem probable) to the margins of the antheral leaf, or do they answer to the lines that separate the two pollen-cavities on each half of the anther one from the other?
Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants
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The results presented suggest that in normal growing pollen tubes, a net exocytic flow occurs in the flanks of the tube apex mediated by SYP124.
BioMed Central - Latest articles
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But if you have hay fever, your body produces antibodies in response to pollen.
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Transmitted light micrographs of the same samples (H and J) show GUS activity in pollen tubes.
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All feed primarily on plant material, either fruit, nectar or pollen.
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If it does, a quick dust with a damp cloth will round up rogue particles or pollen.
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Surrounding the pistil are six stamens, each having a slender stem or filament and terminating in a little box; this box is called the anther and is filled with flower-dust or pollen.
The Renewal of Life; How and When to Tell the Story to the Young
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Sporodex's exine technology is not currently available for commercial use, but Mackenzie told NutraIngredients. com that multinational companies are currently assessing the technology in their own laboratories, and others are looking at ways to scale up or provide companies with estimates of how much it would cost to produce the pollen on a commercial scale.
NutraIngredients-USA RSS
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Appollinaris is said of pollens, that is, shining, and ares, that is virtue.
The Golden Legend, vol. 4
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- The dominant P, allele codes for "thrum" pollen, the recessive, p allele codes for "pin" pollen, which is much smaller.
Yahoo! Answers: Latest Questions
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Be particularly careful when you are driving because grassy banks on country roads and motorways are a rich source of pollen.
The Hayfever Handbook - a summer survival guide
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Some studies have shown that monarch larva die when fed Bt pollen, although other studies of swallowtail butterflies show little effect.
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Pollinators visit flowers in search of oils, floral fragrances, pollen or floral nectar.
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Bees pollinate the plants by carrying the pollen from one flower to another.
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Though the term of “possibility” in the supposition, and “may” in the inference, seem to be equipollent, yet to render them of the same significancy as to the argument in hand, they must both be used in the same respect.
The Doctrine of the Saints��� Perseverance Explained and Confirmed
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He said pollen would not escape into the local environment because sugar beet did not flower until after it had been harvested.
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The term pollen jockey is from an animated movie, Bee Movie, where Jerry Seinfeld’s bee character wants to become a pollen jocky, a favorite of my three year old grandson.
Hellebo-R-Us « Fairegarden
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Pollen also potentially influences oil content by means of xenia.
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To investigate the main allergen on fruiter with occupational pollen allergy and analyze the difference between that and other spring pollen allergy.
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Avoid trips to the country while the pollen count is high.
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The cone specimens are mostly compressed or adpressed in preservation but their carbonized remains contain ribbed pollen.
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Legume pollen is normally difficult to germinate on artificial medium.
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For example, the pollen of modified crops had already been shown to be poisonous to monarch butterfly larvae.
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By nicking nectar and pollen from the native species they deny those insects the opportunity to perform the function of pollination and as a result some plants do not set seed.
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These rewards include pseudopollen, wax or a viscid, resinous material secreted by the labellum and floral nectar.
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Lotus, a small Lotus-Fairy with short white hair and coral pink skin sprinkled with golden pollen.
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The pollen count is high today.
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Using bright colors and sweet perfumes, many orchids falsely advertise a meal of pollen and nectar.
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Both features help pollen grains adhere to their bodies, but they also have specialized pollen-carrying structures; in most bees, this takes the form of a structure known as the scopa, which is on the hind legs of most bees, and/or the lower abdomen (e.g., of megachilid bees), made up of thick, plumose setae.
Pollinator
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Farms unfurled to the Bays of Pollenca and Alcudia as one last surge of Sierra forked into capes Pinar and Formentor.
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No differences were noted in pollen germination, pollen tube growth or fertilization between experimental tests of xenogamy and geitonogamy in S. mucugensis.
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Hermaphroditic flowers develop from leaf axils and have eight stamens (with pollen connected by viscin threads), and a cross-shaped stigma.
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A representative deodar tree, situated on the agricultural fields of Premnagar village was selected as the pollen source.
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This change results from an imperfect petalody of the anther; the two wings on each side of the central vascular cord represent the front and back walls of an anther lobe, or rather of that portion of the anther which, under ordinary circumstances, produces pollen.
Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants
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Within the ovary, pollen tubes also grew in the ECM to penetrate the micropyle and subsequently grew intercellularly within the nucellus up to the embryo sac.
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long branched hairs on its legson which pollen collects
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The organism of a hive yields integration for its community of worker bees, drones, pollen and brood.
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Among other things, biological agents include bacteria, viruses, fungi, pollen, dust mites and moulds.
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Clusters of genetically identical plants, for example, limit the number of mates available to self-incompatible species with limited pollen dispersal.
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As the medium extends the integrity of the pigment, he manipulates it to achieve substrata and surfaces that range from a glazed appearance or deepening craquelure to the look of pollen, each seductive in its own right.
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Dried pollen and spores were then stored in glass vials at room temperature until required.
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Each of these female flowers may be fertilized independently by a pollen gram from a male flower.
The Nobel Prize in Physiology or Medicine 1983 - Presentation Speech
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Finding that the “empathical link existing between human and other living beings” cannot be reliably counted on to spur people to take corrective measures, will they then commission the services of genetic engineers to enable the plants to produce an antidote in pollen form and to release it when needed whether one wants to be cured or not?
My Garden Is Telling Me That I'm Abusing My Kids
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Consequently, it reduces male fitness because geitonogamous pollen grains are barred from fertilizing ovules.
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The harvested flowers provided pollen samples ranging from 0 h old, to over 72 h old, at 12 hourly age intervals.
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The female parts judge male cells by comparing their genes with their own, and reject any pollen grain if it is too alike.
Times, Sunday Times
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The pollen count is very high in the spring.
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To pollinate most plum trees, bees are released into a covering wood and plastic structure, along with pollen-bearing bouquets from other plum or apricot trees.
When Apricot Met Plum...
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Yea, yea, yea I know all about the pollenation issue, my father was a farmer.
Japanese Bees and European Bees Against Hornet Predators
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The funny thing is that I was reading all about seed saving at the end of last year... learning properly for the first time really about cross-pollenation, hybrids and how much this varies between species.
Pumpzini?
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Besides, the cone was probably not exposed to pollen of other lacebarks and the seeds were probably empty or defective, as pines don't do self-pollination well.
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Human skin particles, pollen, and smoke are all part of this bothersome brew of irritants.
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Flowers are designed to attract insects which then carry the pollen from plant to plant.
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For example, cases are cited by Mr. Darwin, of plants which are more fertile with the pollen of another species than with their own; and there are others, such as certain 'fuci', whose male element will fertilize the ovule of a plant of distinct species, while the males of the latter species are ineffective with the females of the first.
Origin of Species
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That's when cross-pollinating plants release their pollen into the air for fertilization.
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Known allergy to grass pollen.
Times, Sunday Times
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Not coincidentally, the flowers of wind-pollinated plants are usually arranged in tight bunches that block the wind, creating eddies that increase the odds of successful pollen delivery.
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People can have similar reactions to dust mite feces, pollen, animal dander and many other particulates in the environment.
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The egg cell is fertilized by pollen from the male sex organs, the stamens.
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Use the clothes drier. Don't hang clothes and linens outside to dry. Pollen and molds can easily attach to them.
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The production of pollen and seed cones was studied in five branches chosen at random on each individual.
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People with allergic rhinitis develop symptoms only when exposed to the things they're allergic to, such as cat dander and ragweed pollen.
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Some birds flew by, leaving specks of pollen behind.
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The image at the beginning of this post is a picture of pollen from a holly plant.
Creating, Managing & Pres. Dig. Assets: PALDAT: Palynological Database
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An equipollent system is the forces and moments that will replace the original set.
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The ovule micropyle and embryo sac were penetrated equally by cross- and self-pollen tubes.
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They also check the pollen filter as this can seriously affect efficiency.
Times, Sunday Times
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It would be great to have them all together on one site and get a bit of cross pollenation going.
February 2006
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This increased area enables the filter to capture more lint, dust, pollen, mold and mildew - up to 95% of them from the air.
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Treatment O was conducted to examine xenogamy through artificial pollination using pollen from flowers 5 m away, but within the same population.
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If you go out, wear sunglasses and a hat with a brim to help to keep pollen from your eyes.
Times, Sunday Times
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She saw a bee standing on the stipule of a pansy, its pollen sacs dusted gold.
The Hunger
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When the flower opens, styles are short and the stigma papillae are undeveloped; pollen grains do not adhere.
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We are also collecting pollen and phytolith samples, as well as water screening all soil.
Interactive Dig Mt. Vernon - Ask an Archaeologist
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When a tui or a bellbird pops open a bud, all four petals spring back, and as the bird inserts its beak into the corolla to drink nectar, its head often brushes pollen onto the receptive stigma.
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Females then actively collect pollen from the newly mature anthers and pack it into special structures on their mesothoracic sternites, while the wingless males tunnel back through the fig wall.
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Is pogonip A, smoke from the campfire; B, bee pollen; C, frozen fog; or D, smelly fish guts?
CNN Transcript May 16, 2007
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Nevertheless, selfing mediated via geitonogamy is the most frequent mechanism of pollen transfer.
Juan Fernández Islands temperate forests
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And I don't know about cross-pollenation at Nick, but Cartoon Network has had people show-hop.
At Film Roman
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I unbent my limbs, slowly lifted the little treasure, breathed deep the pollen, and last of all – the most important part – I lifted my mismatched eyes.
Blackbird Pie « A Fly in Amber
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Species within the Proteaceae utilize a variety of animal vectors (mammals, insects and birds) to disperse pollen.
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The pollen spores are usually aggregated into two or four waxy masses ( "pollinia," sing. pollinium), which usually can only be removed by the agency of insects upon which all but a very few orchids are absolutely dependent for the pollination of the flowers.
Elements of Structural and Systematic Botany For High Schools and Elementary College Courses
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Pollen indicates that this formation is Tertiary, coming shortly after the meteor impact at the end of the Cretaceous.
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One thing about the pollen trees, these wind-pollinated trees, they tend to be more prevalent in cities.
CNN Transcript May 13, 2005
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Microspores cultured in vitro in a rich medium develop into mature pollen grains, which are fertile upon pollination in vivo.
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[209] “Physical and moral” are taken to be terms, it seems, equipollent to
The Doctrine of the Saints��� Perseverance Explained and Confirmed
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The temporal aspects of stigma receptivity and pollen longevity were investigated in relation to protandry (the occurrence of anther dehiscence prior to stigma receptivity) and breeding system.
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Pollen longevity may differ depending on whether male and female receptivity is simultaneous or not.
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Other conifers produce pollen with a single bladder.
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One well-known example involves animals that feed on floral nectar but do not transfer pollen between flowers.
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A given pollen grain blowing in the wind is thus unlikely to land on a receptive stigma.
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Flora quibus mater præspargens ante viai cuncta coloribus egregiis et odoribus opplet. inde loci sequitur calor aridus et comes una pulverulenta Ceres et etesia flabra aquilonum, inde antumnus adit, graditur simul Eubius Euan, inde aliæ tempestates ventique secuntur, altitonans Volturnus et auster fulmine pollens. tandem bruma nives adfert pigrumque rigorem, prodit hiemps, sequitur crepitans hanc dentibus algor.
Sketches and Studies in Italy and Greece, Complete Series I, II, and III
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In one investigation, he even tried to convert pollen into beeswax.
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Artificial pollination was effected by brushing the recipient flower stigmas with stamens from the pollen donors.
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If the poinsettia is already producing pollen, a portion of its useful display life has already passed and the bracts will begin to fade.
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Pseudopollen is a mealy material, usually whitish or yellowish in colour, which superficially resembles pollen.
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Phainet ', ion kata ponton, agei de te lailapa pollên;
The Storm-Cloud of the Nineteenth Century Two Lectures delivered at the London Institution February 4th and 11th, 1884
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Generally, starchy pollen has been considered a feature of wind-pollinated (anemophilous) flowering plants, whereas insect-pollinated species show a greater or lesser replacement of starch by sugar or lipids.
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Potential foods included not only pollinating insects of angiosperm flowers but also the pollens, nectars, fruits, seeds and foliage of angiosperms themselves.
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To plant several varieties is absolutely necessary on account of pollenizing, as staminate and pistillate flowers, though on the same plant, do not always appear together in proper condition on all plants; in fact it has been proven in my orchard that sometimes plants bring forth a great many pistillate blossoms and not a single staminate one on them, and still a good crop of nuts were grown on them.
Northern Nut Growers Association, Report Of The Proceedings At The Tenth Annual Meeting. Battle Creek, Michigan, December 9 and 10, 1919
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Pollination in angiosperms and gymnosperms is the process that transfers pollen grains, which contain the male gametes (sperm) to where the female gamete (s) are contained within the carpel; [1] in gymnosperms the pollen is directly applied to the ovule itself.
Pollination
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Bees pollinate the plants by carrying the pollen from one flower to another.
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Darwin realized that when a moth with pollen masses stuck on its proboscis visited the next flower, the bent-over pollen mass would be aligned for perfect delivery onto the new flower's stigma.
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However, there are a significant number of exceptions to the UI ‘rule’ that pistils of self-incompatible taxa inhibit pollen from self-compatible taxa.
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The pollen count was high yesterday.
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The pollen count is given as the number of grains per cubic metre and can only be a general average.
The Hayfever Handbook - a summer survival guide
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Finally, and to be as curt as the question deservesthe Celtic Briton in the island was not exterminated and never came near to being exterminated: but on the contrary, remains equipollent with the Saxon in our blood, and perhaps equipollent with that mysterious race we call Iberian, which came before either and endures in this island to-day, as anyone travelling it with eyes in his head can see.
IX. On the Lineage of English Literature (II)
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Allergy: An abnormally high sensitivity to certain substances, such as pollens, foods, or microorganisms.
Allergies
