Field efficacy trials of different pesticides on cabbage Plutella xylostella
Plutella xylostella is one of the key vegetable pests,and long-term chemical control may lead to resistance.In order to screen for ideal pesticides for controlling cabbage Plutella xylostella,"Jingfeng"was used as the test vegetable variety,the control effects of 10% Chlorfenapyr suspension,2.5% Avermectin·Fluazuron,and 2% Avermectin·High chlorine insecticides on Plutella xylostella were compared.The results showed that before the 2-3 instars of Plutella xylostella larvae,all three methods had good control effects on Plutella xylostella.After 10 days of treatment,all methods were effective in controlling Plutella xylostella damage,and there was no phenomenon of drug damage.This experiment provided a reference for the prevention and control of Plutella xylostella damage in relevant regions.
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