spinosad
基本解释
- 多杀菌素
英汉例句
- Laboratory selection and inheritance mode of resistance to spinosad in the diamondback moth, Plutella xylostella L.
小菜蛾对多杀菌素的抗性筛选及遗传方式分析。 - The results showed that both spinosad and avermectin did not affect egg hatching，but caused substantial mortality of newly-hatched larvae.
结果表明，这两种药剂对小菜蛾卵的孵化率没有影响，但能大大降低初孵幼虫的存活率。 - Spinosad depolarizes insect neurons by activating nicotinic receptors, causing widespread hyperactivity in the nervous system.
其作用机制是通过激活烟碱型受体使昆虫神经细胞去极化,引起中央神经系统广泛的超活化。 - The larvicidal activity of avermectin was significantly higher than that of spinosad, and both decreased with increase of the larval age.
对幼虫的生物活性，均随虫龄的增加而下降，且集琦虫螨克的活性远比菜喜高。 - Spinosad fed to 4th-instar larvae for 2 h led to reduction in the percentage of pupation, but did not significantly affect adult emergence, life-span, and egg production.
菜喜对小菜蛾4龄幼虫化蛹率有显著降低作用，但对蛹的羽化率、雌成虫寿命及产卵量却没有明显影响；