A STUDY OF THE PHYTOTOXICITY OF HERBICIDES USED TO CONTROL MOUNTAIN BLUET

Authors

  • Алексей Иванович Силаев Saratov Research Laboratory (Branch), All-Russian Research Institute of Plant Protection
  • Татьяна Андреевна Маханькова All-Russian Research Institute of Plant Protection
  • Сергей Сергеевич Поляков Saratov Research Laboratory (Branch), All-Russian Research Institute of Plant Protection

DOI:

https://doi.org/10.28983/asj.v0i10.605

Keywords:

herbicides, Gorchak, Gorgon, mountain bluet, phytotoxicity, aftereffect, germination energy, germination, length of stem, primary root system

Abstract

The composition of preparations used to control mountain bluet includes picloram and clopyralid, which, along with high herbicidal activity, are able to exhibit phytotoxicity against dicotyledonous plants and representatives of the Poacea family. In addition, there is more and more data showing not only the species, but also the varietal sensitivity of cereals to these preparations. The data presented show that Gorchak and Gorgon herbicides practically do not have a negative impact on the growth and development of spring wheat varieties Favorit and Saratovskaya 55 in the early stages of their ontogenesis. The germination energy and seed germination were equal or exceeded the control variant by 2.0-4.0%. The development of the stem and the formation of the primary root system in both varieties have a positive trend. The increase ranged from 1.1 to 12.1% and from 4.1 to 16.6% in comparison with the control. Concerning  winter wheat, there is no clear pattern in the action of the studied herbicides. The green mass of plants of all varieties of spring wheat and winter wheat equaled or slightly exceeded control.

 

 

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Author Biographies

Алексей Иванович Силаев, Saratov Research Laboratory (Branch), All-Russian Research Institute of Plant Protection

Doctor of Agricultural Sciences, Senior Researcher

Татьяна Андреевна Маханькова, All-Russian Research Institute of Plant Protection

Candidate  of  Agricultural  Sciences, Leading Researcher

Сергей Сергеевич Поляков, Saratov Research Laboratory (Branch), All-Russian Research Institute of Plant Protection

Leading  Agronomist

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Published

2018-10-25

Issue

No. 10 (2018)

Section

Естественные науки

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