Controlling Effects of 25% Pymetrozine WP to Whitefly
Guan Li-e
Abstract
Guan Li-e
Abstract
Compared with 25% buprofezin WP and 10% imidacloprid WP,different doses of 25% pymetrozine WP had been used to control whitefly in the field.The results showed that 25% pymetrozine WP was ideal pesticide against Whitefly,control effect was 97.2% after 14days using middle dose(20g/667m2).It was obviously higher than 25% buprofezin WP and 10% imidacloprid WP and secure to cucumber.The recommendation dose was 20g/667m2.
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Compared with 25% buprofezin WP and 10% imidacloprid WP,different doses of 25% pymetrozine WP had been used to control whitefly in the field.The results showed that 25% pymetrozine WP was ideal pesticide against Whitefly,control effect was 97.2% after 14days using middle dose(20g/667m2).It was obviously higher than 25% buprofezin WP and 10% imidacloprid WP and secure to cucumber.The recommendation dose was 20g/667m2.
Key concepts: Whitefly, Imidacloprid, Toxicology, Biology, Horticulture, Pesticide, Agronomy