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40%联苯肼酯·乙螨唑悬浮剂防治柑橘红蜘蛛田间药效试验

Guangxi Plant Protection(2018)

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Abstract
为筛选高效低毒的杀螨剂防治柑橘红蜘蛛,本试验采用不同浓度的40%联苯肼酯·乙螨唑SC进行柑橘红蜘蛛的田间药效试验.结果表明,40%联苯肼酯·乙螨唑SC 12000倍液、10000倍液时,速效性一般,持效性良好,在施药后3 d,防效分别达到64.47%和74.59%;在施药后30 d,防效分别达到73.45%和81.98%.40%联苯肼酯·乙螨唑SC可作为防治柑橘红蜘蛛的轮换或替换药剂.建议在柑橘红蜘蛛发生高峰前期,田间柑橘红蜘蛛种群密度达到5头/叶左右时,使用40%联苯肼酯·乙螨唑SC 10000~12000倍液进行防治.
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