查询词典 Plutella
- 与 Plutella 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 result in efficacy trials against Plutella xylostella indicated that some kinds of photoprotecting avermectin had the most dramatic effect on the 3 day after application.
对小菜蛾的田间药效表明,几种光保护型阿维菌素对小菜蛾的防效在3d后差异显著,混合UV-P+BHA的阿维菌素在1、3和7d的防效分别为84.78%、95.17%和98.50%。
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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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Temperature showed significant effect on the toxicity of avermectin to the second instar larva of Plutella xylostella.The toxicity become greater as temperature ranged from 15 -~-- 32 C .
温度对阿维菌素的毒力有较大的影响,在15~32℃温度范围内,阿维菌素对小菜蛾幼虫的毒力随着温度的升高而增强,温度从15℃上升到32℃,阿维菌素对小菜蛾幼虫的毒力增加了32.35倍。
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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。
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Plutella xylostella Granulosis Virus; life table ; index of population trend ; index of population control
小菜蛾;小菜蛾颗粒体病毒;生命表;种群趋势指数;控制指数
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When transgenic rape leaves were fed to Plutella xylostera, mortality of second instar larvae ranged from 33% to 47% and the survival larvae had a less weight than the control.
对叶绿体转化植株进行虫试,结果表明,8天后小菜蛾幼虫的死亡率为33%-47%,未死亡的幼虫比对照体重减轻。说明所获得的叶绿体转基因植株具有杀虫和抑制幼虫生长的作用。
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In this study, the cDNA fragments encoding α subunit of nicotinic acetylcholine receptor was cloned from the diamond back moth, Plutella xylostella with RT-PCR techniques. The amplified fragments are 425 nucleotides in length, from which 141 amino acids were deduced.
测序结果显示,扩增的目的基因片段包含了nAChRα亚基的三种亚型,分别命名为Pxal、Pxa2、Pxa3,都具有典型的α亚基的结构:两个相邻的半胱氨酸;形成胞外环的15个氨基酸;与烟碱和α银环蛇毒素结合有关的氨基酸残基。
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The effects of capsaicin on glutathione S-transferase and Na(superscript +)-K(superscript +)-ATPase of Plutella xylostella were tested with conventional methods in laboratory.
采用常规生化方法测定了辣椒碱对小菜蛾体内谷胱甘肽S-转移酶和Na-K-ATP酶活性的影响。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。