Field Control Effect Trial of 2.5% Lambda-cyhalothrin ME against Pieris rapae L.on Cabbage
LI He-rong
Abstract
LI He-rong
Abstract
To evaluate the control effect of 2.5% lambda-cyhalothrin micro-emulsion(ME) against Pieris rapae L.on cabbage and the safety of 2.5% lambda-cyhalothrin ME for cabbage,the field control effect trial was conducted by using randomized block arrangement method.The results showed that 2.5% lambda-cyhalothrin ME had a significant control effect against Pieris rapae L.on cabbage,and it was safe for the cabbage;the recommending dosage was 300~375 ml/hm2,whose effective period was more than 10 days.Therefore,2.5% lambda-cyhalothrin ME had a good promoting prospect.
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To evaluate the control effect of 2.5% lambda-cyhalothrin micro-emulsion(ME) against Pieris rapae L.on cabbage and the safety of 2.5% lambda-cyhalothrin ME for cabbage,the field control effect trial was conducted by using randomized block arrangement method.The results showed that 2.5% lambda-cyhalothrin ME had a significant control effect against Pieris rapae L.on cabbage,and it was safe for the cabbage;the recommending dosage was 300~375 ml/hm2,whose effective period was more than 10 days.Therefore,2.5% lambda-cyhalothrin ME had a good promoting prospect.
Key concepts: Cyhalothrin, Pieris rapae, Toxicology, Horticulture, Randomized block design, Biology, Botany, Pesticide