Turnip moth (Agrotis segetum Den.&Schiff.) pheromone monitoring considering the biology of its development in Belarus
Abstract
The results of researches have shown that turnip moth (Agrotis segetum Den.&Schiff.) is a noxious polyphagous pest in different regions of Brest and Gomel districts of the Republic of Belarus. In 2013 and 2015 high number focuses (from 15 to 624 indiv./m2 and winter grain crops severity are determined what has caused the essential yield losses. In 2016 the researches on studying the attractiveness of turnip moth sex pheromone, synthesized at Stock-Holding Company «Shchelkоvo Agrokhim» were carried out for the first time based on which the seasonal number dynamics and periods of the first and second generations of the butterflies flight in the fields of main agricultural crops was determined. For the vegetation period turnip moth number of the first generation was higher than the second generation what was connected with different temperature conditions and rainfall. High attractiveness of the first generation turnip moth synthetic pheromone was marked in sugar beet crops – 2,5–2,9 indiv./trap- day, corn – 2,3 indiv./trap – day and potato – 2,3 indiv./trap – day; the second generation – in the fields with wind fallen rape and oat stubble, in sugar beet crops (1,1–1,6 indiv./trap-day).
About the Authors
S. V. Boiko
Институт защиты растений
Belarus
Belarus
L. I. Trepashko
Институт защиты растений
Belarus
Belarus
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Review
For citations:
Boiko S.V., Trepashko L.I. Turnip moth (Agrotis segetum Den.&Schiff.) pheromone monitoring considering the biology of its development in Belarus. Сrop Farming and Plant Growing. 2017;(2):13-17. (In Russ.)
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