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Studies on the mode of action of buprofezin I. Nymphicidal and ovicidal activities on the brown rice planthopper, Nilaparvata lugens Stal (Homoptera: Delphacidae)



Studies on the mode of action of buprofezin I. Nymphicidal and ovicidal activities on the brown rice planthopper, Nilaparvata lugens Stal (Homoptera: Delphacidae)



Applied Entomology and Zoology 18(4): 550-552



To determine the effectiveness of buprofezin against different instars of the rice pest Nilaparvata lugens (Stal), nymphs were confined in the laboratory in Japan on rice seedlings previously sprayed with the compound; mortality was recorded after 5 days. The LC50s in p.p.m. for the 5 instars were 0.133, 0.153, 0.233, 0.389 and 0.489, respectively, and the corresponding LC90s 0.608, 1.296, 2.088, 2.687 and 24.450.

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