常見(jiàn)例句Laboratory selection and inheritance mode of resistance to spinosad in the diamondback moth, Plutella xylostella L. 小菜蛾對(duì)多殺菌素的抗性篩選及遺傳方式分析。The results showed that both spinosad and avermectin did not affect egg hatching,but caused substantial mortality of newly-hatched larvae. 結(jié)果表明,這兩種葯劑對(duì)小菜蛾卵的孵化率沒(méi)有影響,但能大大降低初孵幼蟲(chóng)的存活率。Spinosad depolarizes insect neurons by activating nicotinic receptors, causing widespread hyperactivity in the nervous system. 其作用機(jī)制是通過(guò)激活菸堿型受躰使崑蟲(chóng)神經(jīng)細(xì)胞去極化,引起中央神經(jīng)系統(tǒng)廣泛的超活化。The larvicidal activity of avermectin was significantly higher than that of spinosad, and both decreased with increase of the larval age. 對(duì)幼蟲(chóng)的生物活性,均隨蟲(chóng)齡的增加而下降,且集琦蟲(chóng)蟎尅的活性遠(yuǎn)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. 菜喜對(duì)小菜蛾4齡幼蟲(chóng)化蛹率有顯著降低作用,但對(duì)蛹的羽化率、雌成蟲(chóng)壽命及産卵量卻沒(méi)有明顯影響;Abstract: The effects of two antibiotic insecticides, spinosad and avermectin, on the development and fecundity of Plutella xylostella , were studied in the laboratory. 摘 要: 在室內(nèi)測(cè)定了抗生素殺蟲(chóng)劑菜喜和集琦蟲(chóng)蟎尅對(duì)小菜蛾卵及幼蟲(chóng)生長(zhǎng)發(fā)育、成蟲(chóng)存活及生殖的影響。 返回 spinosad