How To Use Phytohormone In A Sentence

Photosynthate supply and phytohormones, particularly cytokinins, interact with nitrogen supply through signal transduction pathways to control the expression of photosynthesis genes and development and senescence of leaves.
Whereas salicylic acid (SA) is an important signal substance, known as a new phytohormone , classified as endogenous plant growth regulator and disease resistance.
Similar to higher plants, growth and development in Physcomitrella is regulated both by environmental factors, such as the quantity and quality of light, and by phytohormones including auxins, cytokinins, and abscisic acid.
Growth is controlled by the phytohormone gibberellin and can be largely unidirectional, as in elongating stem internodes, or multidirectional, as in expanding leaves.
The results showed that the differentiation rate varied with different explants and ZT may be an ideal phytohormone for shoot differentiation in potato.

The plant phytohormone cytokinin regulates numerous growth and developmental processes by regulating cell division and cell differentiation.
The mechanisms by which such deleterious rhizosphere bacteria operate include the production of phytotoxins and phytohormones, competition for nutrients, and the inhibition of mycorrhizal fungi.
Effect of phytohormone ABA and 2,4 - D on tissue culture of Physalis pubescens was investigated.
The changes of the endogenous phytohormone content of synchronic materials at different developmental stages in somatic embryogenesis were measured by HPLC in Dimocarpus longan Lour. cv. Honghezi.
Tryptophan is used in some plant species as a precursor to bioactive alkaloids and defence phytoalexins, as well as the phytohormone auxin.