0.5%藜芦碱可溶液剂防治茄子红蜘蛛田间药效初报

藜芦碱可是一种新型植物源农药。通过田间试验对0.5%藜芦碱可溶液剂防治茄子红蜘蛛的效果进行分析。结果表明，0.5%藜芦碱可溶剂300倍液对红蜘蛛有一定的防治效果，初次药后3 d和二次药后5 d的防治效果较低，但末次药后5 d平均防效可达到71.63%。因此，该药剂防治红蜘蛛具有速效性差、持效性好的特点，可用于春季红蜘蛛高发期之前的防治，或与化学药剂交替使用以减轻化学农药对环境和生态的影响。

Field Efficacy Trials Report of 0.5% Veratridine Soluble Concentrate on Eggplants Red Spiders

Veratridine is a new type of botanical pesticides. A field experiment of 0.5% veratridine S C suppressing on eggplant red spider was conducted to verify the efficacy. The results showed that 0.5% veratridine solvent (×300) have control effect for red spider, control effect of 3 days after the first applying and 5 days after the second applying were low, however, 5 days after the last applying, the mean drug control efficacy reached 71.63%. Thus, this pesticide have poor quick result and good persistence effect when controlling the red spiders, and could be used before the high incidence of red spider in the spring, or used interchangeably with chemical pesticides to mitigate the effects of chemical pesticides on the environment and ecology.