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2013•Hubei nongye kexueRequires access

Controlling Effects of Mixture of Pymetrozine and Acetamipride on Nilaparvata lugens

Xiaole Zhang

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Abstract

The field experiment was carried out to study the controlling effects of 25% pymetrozine WP, 20% acetamipride SP and their mixtures on Nilaparvata lugens. The results showed that 7 days after spraying, 25% pymetrozine WP(112.5 a.i. g / hm2), a percentage of 4∶1 of 25% pymetrozine WP and 20% acetamipride SP(60 a.i. g / hm2) had good controlling effects with 93.08% and 93.41%, respectively. The controlling effect of 20% acetamipride SP(22.5 a.i. g / hm2) 7 days after spraying was 81.65%.

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What this paper is about

The field experiment was carried out to study the controlling effects of 25% pymetrozine WP, 20% acetamipride SP and their mixtures on Nilaparvata lugens. The results showed that 7 days after spraying, 25% pymetrozine WP(112.5 a.i. g / hm2), a percentage of 4∶1 of 25% pymetrozine WP and 20% acetamipride SP(60 a.i. g / hm2) had good controlling effects with 93.08% and 93.41%, respectively. The controlling effect of 20% acetamipride SP(22.5 a.i. g / hm2) 7 days after spraying was 81.65%.

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Available abstract

The field experiment was carried out to study the controlling effects of 25% pymetrozine WP, 20% acetamipride SP and their mixtures on Nilaparvata lugens. The results showed that 7 days after spraying, 25% pymetrozine WP(112.5 a.i. g / hm2), a percentage of 4∶1 of 25% pymetrozine WP and 20% acetamipride SP(60 a.i. g / hm2) had good controlling effects with 93.08% and 93.41%, respectively. The controlling effect of 20% acetamipride SP(22.5 a.i. g / hm2) 7 days after spraying was 81.65%.

Key concepts: Toxicology, Biology

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