小菜蛾
- 与 小菜蛾 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The resistance management of Plutella xylostella that represents one of the extreme cases of insecticide resistance in arthropods is a hard and serious problem in the world.
小菜蛾抗药性的治理是一个世界性难题，目前的研究大多仍处于生理生化水平，对抗药性的遗传和分子基础不甚清楚。
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Since it was introduced and separated in the late 1980s, avermectin had become a major pesticide against Plutella xylostella in china.
我国自80年代末引进分离阿维菌素产素菌后，近几年来，该类杀虫剂产品已成为我国蔬菜生产上小菜蛾防治的主导药剂。
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Key words: Plutella xylostell a; ecological factor; sex pheromone; chemical ecology; chemical resistance
关键 词：小菜蛾；生态因子；性信息素；化学生态学；抗药性
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Studies on the toxicity of avermectin series to the diamondback moth,Plutella xylos-tellaL.
系统研究了阿维菌素系列化合物在不同温度和光照下对小菜蛾的毒力效应。
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Construction and Analysis of the Natural Population Life Table for Continuous Generation of the Diamondback Moth, Plutella xylostella L.
小菜蛾自然种群连续世代生命表的组建与分析。
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The results from modeling and that from bioassay with Plutella xylostella appear to have a better consistency. It suggests that the resistance simulation modeling might be useful for predicting and analyzing the evolution of resistance of pest population to insecticides.
以小菜蛾Plutella xylostella为模型昆虫所作的试验结果表明，模型模拟与验证试验的结果具有较好的一致性，说明抗性模拟模型可用于害虫种群的抗性演化预测和分析。
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Since the first reported field population of Plutella xyllostella become less sensitive to Bt, the number has reache...
自1985年Mcgaughey首次报道小菜蛾田间种群对Bt产生抗性以来，已报道有150多种害虫产生抗性。
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Avermeetin has no contract poisoning toxicity to eggs and no effect on adult lifespan and mean number of eggs of Plutella xylostella .
阿维菌素对小菜蛾卵不具触杀毒力，对成虫寿命及产卵量无明显的影响作用。
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To provide data for toxicity assessment of avermectin on diamond back moth, Plutella xylostella, the leaf protection role of avermectin was studied.
尝试采用叶片保护率评价阿维菌素对小菜蛾2龄、3龄幼虫的毒力，以期为该药毒力的准确评价提供资料。
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Plutella year as a result of rampant development was very short, algebra and more frequent pesticide use, fast development of resistance, chemical pest control has become a major problem.
由于小菜蛾常年猖獗，发育期短，代数多，农药使用频繁，抗药性发展极快，已成为该虫化学防治的一大难题。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。