2011•Hunan Agricultural SciencesRequires access
Occurrence Law of Plutella xylostella L. and Its Forecast
Xiping Liu
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Abstract
Through feed of Plutella xylostella L.in laboratory,the morphologic characteristics and developmental process of Plutella xylostella L.in each stage were determined.Meanwhile,the decrease-increase effect of sex attractant for Plutella xylostella L.on imago number was observed to obtain the damaging peak of Plutella xylostella L.and to determine the criteria for occurrence level and annual decrease-increase dynamic of Plutella xylostella L..This research provides some bases for correctly forecasting and reasonably controlling of Plutella xylostella L..