How To Use Defoliation In A Sentence
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Defoliation by lepidoptera can induce cyanogenesis in some plants resulting in cyanide levels high enough to kill cattle.
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Differences between the cultivars in leaf number, leaf area and petiole length were insignificant and this was reflected in the similar herbage yields measured at the time of defoliation.
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However, the genetics of a naturally early leaf defoliation trait in wild cotton was not studied.
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An undetermined species of bagworm sometimes causes severe defoliation in Sabah, but trees quickly recover.
Chapter 6
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As this virus and the parasitoid wasp '' Cotesia jucunda '' are both important controllers of the survival of moth caterpillars, increased UV-B radiation levels could possibly lead to increased moth populations and birch forest defoliation.
Phenotypic responses of arctic species to changes in climate and ultraviolet-B radiation
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· the concentration and type of phenolic compound both vary with season and in response to stimuli such as defoliation;
Chapter 2
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Since deciduous plants regrow new leaves each year, the defoliation caused by bagworm feeding is usually not serious.
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After defoliation, one-year seedlings could live through the winter in greenhouse or burring outdoor with snow.
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The solid arrow indicates the day leaves expanded, the unshaded arrow indicates flowering, the hatched arrow indicates fruiting, the dotted arrow indicates the end of fruiting, and the thin arrow indicates defoliation.
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Viticulture: Traditional; defoliation and green harvest to have optimal yield control.
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The defoliation of some garden plants is a small price to pay for pictures of visits such as these.
Muley Fawns Too Cute for Field & Stream?
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A few years ago, the USDA let loose thousands of leaf-eating Asian beetles in order to sic them on tamarisks, which die from the defoliation ...
What's Your Favorite Invasive Species?
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Extensive mortality among sugar maples in Pennsylvania appears to have resulted from deficiencies of base cations, coupled with other stresses such as insect defoliation or drought.
Acid rain
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According to research studies, the probability of the loss of sugar maple crown vigor or the incidence of tree death increased on sites where supplies of calcium and magnesium in the soil and foliage were the lowest and stress from insect defoliation and/or drought was high.
Acid rain
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Only about 30% of the soil was of the type susceptible to laterization, and defoliation did not produce bare dirt which might increase the evaporation rate of ground water, possibly hastening the precipitation of ferrous iron and its oxidization into the insoluble ferric form.
Operation Ranch Hand
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The researchers also used the satellite to estimate "evapotranspiration" - the evaporation of water from soil and the transpiration or use of water by plants - to learn more about how defoliation of tamarisk affects water use.
PhysOrg.com - latest science and technology news stories
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The mapped area of forest affected by spruce budworm, spruce coneworm (Dioryctria reniculelloides), and larch sawfly (Pristiphora erichsonii) defoliation mapped throughout Interior Alaska increased, totaling over 300,000 ha of combined infestations during the period 1991 to 1996 [25].
Climate change and insects as a forest disturbance in the Arctic
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While vigorous vines may be able to recover from a single defoliation, repeated defoliation can weaken the vine to the point of death.
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However, defoliation during winter has a depressing effect on growth, and so as much resting as possible is advisable in winter, particularly in areas in which spekboom has low vigour.
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Rachis - removing could increase grain weight, while defoliation could lower grain weight.
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Defoliation by lepidoptera can induce cyanogenesis in some plants resulting in cyanide levels high enough to kill cattle.
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The apple small ermine moth causes more or less serious defoliation at the tips of branches of apple trees.
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Reported diseases include a bark gummosis, one defoliation leafspot, and some fungal diseases of seedlings in nurseries.
Chapter 8
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Above-ground symptoms include chlorosis and reddening of the leaves, small leaves, defoliation, branch dieback, death of entire canes, stunting, and death of the entire bush.
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Slug injury to corn may occur before emergence due to feeding activity on the seeds in the furrow or to severe defoliation soon after emergence.
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Botanical humans are at war with a cervine insurgency that has greater defoliation power than a squadron-load of Agent Orange.
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Unlike Japanese larch and white pine, defoliated bear oak seedlings showed very little response to partial defoliation.
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The concentration of both glutamine and asparagine, the most abundant of the specific amino acids, declined rapidly during phase 1 after defoliation.
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Leaf nitrogen has been shown to respond variably following defoliation.
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We evaluated the costs of leaf height and defoliation in this plant by conducting a replicated field experiment in a forested landscape.
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Defoliation induced an increase in the number of resin droplets in the fertilized saplings.
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The numbers above the lanes refer to sampling day (days after defoliation).
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Defoliation is, of course, a natural process and happens at the end of each growing season in the autumn.
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The same cultivation techniques are used: pruning, root reduction, potting, defoliation and grafting to produce small trees and shrubs that mimic the shape and style of mature, full-size plants.
Green Scene: A Japanese garden's natural serenity
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The distinctive, compound palmate leaves typically drop with heat or drought, but defoliation may be less with more shade and water.
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The defoliation caused by the large aspen tortrix does not affect tree survival since it occurs early enough in the summer season to allow the trees to produce new foliage.
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The effects of defoliation depend in part on the timing of defoliation.
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When he was working on his Nobel Prize for bringing "peace with honor" to Vietnam, godfather of Globalism Henry Kissinger ordered the bombing and defoliation of large sectors of Southeast Asia.
Memo to Starbucks Fans: Global Warming Is Driving Up Coffee Prices
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In older wood, epicormic shoots often result from severe defoliation or radical pruning.
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That was followed by two C-123 defoliation planes which sprayed Agent Orange in a circle around the base to the depth of one mile.
Babies
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Because the Sesbania species have pinnately compound leaves, for defoliation the central rachis of the leaf was cut once halfway along its length.