Veratrine and chlorfenapyr compound biological insecticide
The invention discloses veratrine and chlorfenapyr compound biological insecticide having synergy activity for preventing cotton aphid. The insecticide is formed by compounding veratrine and chlorfenapyr. The mass ratio of veratrine to chlorfenapyr is 20-1:1. Chlorfenapyr comes from a chlorfenapyr t...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The invention discloses veratrine and chlorfenapyr compound biological insecticide having synergy activity for preventing cotton aphid. The insecticide is formed by compounding veratrine and chlorfenapyr. The mass ratio of veratrine to chlorfenapyr is 20-1:1. Chlorfenapyr comes from a chlorfenapyr technical material. Veratrine comes from veratrine extract with the mass percentage of 2%. The invention further discloses application of the veratrine and chlorfenapyr compound biological insecticide of any ratio. The veratrine and chlorfenapyr compound biological insecticide can be used for preventing melon aphids on vegetables. After veratrine and chlorfenapyr are compounded, the insecticide has synergistic insecticidal activity on the melon aphids, the insecticidal effect is remarkably improved, and pesticide cost and production cost are reduced. |
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