name
Khomutova Anna Vladimirovna
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—
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—
Honorary rank
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Organization, job position
• Stavropol State Agrarian University
Research interests
сельское хозяйство, защита растений, биотехнология, энтомология, растениеводство
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06.01.01 General agriculture, crop production (agricultural sciences)
Description
The studies were conducted on the biological economic efficiency of biological preparations against pests in the conditions of the training and experimental farm of the Federal State Budget Educational Institution of Higher Education of the Stavropol State Agrarian University in winter wheat crops of the Yuka variety. The effect of triple use of biosecticides Bioslip BV (viable spores of Beauveria bassiana OPB-09 strain) and Bioslip BT (viable spores and thermostable crystalline endotoxin of B. thuringiensis strains) was studied. A tank mixture of Alt-Alf chemical insecticides, CE (alpha-cypermethrin 100 ml / l) and Actara, VDG (thiamethoxam 250 g / kg) was used as a reference. Bioinsecticide Bioslip BV most effectively suppresses cereal aphids: the average biological effectiveness was 78.3%, in relation to harmful turtle and wheat thrips, the effectiveness of the drug was 60.3-68.7%. Bioinsecticide Bioslip BT is effective against the red-breasted drunkard; the average biological effectiveness was 84.2%, in relation to other species - 27.2-44.2%. The efficiency of using a tank mixture of bioinsecticides with half consumption rates was in the range of 23.3-40.7%. The harmfulness of phytophages in winter wheat crops is high, the control yield is lower by 0.556 t / ha compared with chemical treatment. The smallest difference with economic etholone in the variant with three times use of Bioslip BV is 0.09 t / ha
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