Estimation of the Efficiency of the Combined Application of Chitosan and Microbial Antagonists for the Protection of Spring Soft Wheat from Diseases by Spectrometric Analysis


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The treatment of wheat with polyfunctional biopreparations based on the Bacillus subtilis strains, chitosans, and their complexes, was shown to be highly efficient. These preparations activate the adaptive potential, productive capacity, and resistance of wheat to the causative agents of root rot, powdery mildew, and leaf rust. Plants treated with a Vitaplan complex preparation containing the culture liquid and chitosan II had the best adaptive potential to agroecological environmental factors. In this case, the growth rate and the weight of the vegetative part and ear had the highest values. At the same time, the development of root rot and the intensity of damage to the flag and preflag leaf with wheat leaf blotch were minimal in comparison with the control. The stress index, as determined according to the results of spectrometric analysis, can be an integral estimation of the effect of polyfunctional biopreparations.

作者简介

L. Kolesnikov

St. Petersburg State Agrarian University

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Email: kleon9@yandex.ru
俄罗斯联邦, St. Petersburg, Pushkin, 196601

I. Novikova

All-Russia Institute of Plant Protection

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俄罗斯联邦, St. Petersburg, Pushkin, 196608

V. Surin

Agrophysical Research Institute

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俄罗斯联邦, St. Petersburg, 195220

E. Popova

All-Russia Institute of Plant Protection

Email: kleon9@yandex.ru
俄罗斯联邦, St. Petersburg, Pushkin, 196608

N. Priyatkin

Agrophysical Research Institute

Email: kleon9@yandex.ru
俄罗斯联邦, St. Petersburg, 195220

Yu. Kolesnikova

Scientific Institution Federal Research Center

Email: kleon9@yandex.ru
俄罗斯联邦, St. Petersburg, 190000

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