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这个杀虫作用是值得怀疑的。The insecticidal action must be considered doubtful.

但是，现在我们有新的长效杀虫剂蚊帐。Yet, right now, we have new, long-lasting insecticidal mosquito nets.

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这为寻找新异杀虫晶体蛋白基因开辟了新的思路。This example indicates a new way of finding new insecticidal crystal protein.

植物凝集素对包括同翅目在内的害虫具有有效抗性作用。Plant lectins have been shown to be insecticidal to pests including Homopteran pests.

某些新的苯基取代的环状脲衍生物具有未预料到的杀昆虫活性。Certain novel phenyl substituted cyclic urea derivatives have unexpected insecticidal activity.

使用浸渍法测定了泽漆乳浆及乙醇提取物对桃蚜的室内杀虫作用和拒食作用。The insecticidal and antifeeding activity of latex and ethanol extracts of Euphorbia helioscopia L.

研究了吡虫啉对玉米田蝗虫杀伤毒力及群落结构的影响。The paper reports the insecticidal function of imidacloprid to grasshopper community in corn fields.

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本发明特别提供了可同时表达以上两种杀虫蛋白质的双价抗虫棉。A bivalence insecticidal cotton able to express said two insecticidal proteins is especially provided.

外毒素对几乎所有生命形式包括人有毒。具有广谱杀虫活性。It is toxic to almost all forms of life including humans. It has broad-spectrum insecticidal activity.

结果表明，气调具有增强红桔油松节油及柠檬油的杀虫效果，对柠檬叶油的增强作用最为明显。CA proved to enhance the insecticidal action of the plant aromatic oils, especially that of citron oil.

明确了黄荆杀虫活性物质的提取条件和方法。Confirming the condition and method of extracting insecticidal active material from Vitex negundo Linn.

雷公藤非生物碱成分对菜青虫杀虫活性研究。Insecticidal Activities of the Non-alkaloid Extracts from Tripterygium wilfordii against Piers rapae L.

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目的为揭示植物精油熏杀蚊虫的作用机制。Objective To study the insecticidal mechanism of five essential oils against Culex pipiens quinquefasciatus.

所有可检测到杀虫蛋白的溪流地点均位于玉米地500米范围之内。All of the stream sites with detectable insecticidal proteins were located within 500 metres of a corn field.

介绍了新型邻甲酰氨基苯甲酰胺类杀虫剂的研究进展。A review of recent advance on novel insecticidal anthranilic diamides classified by five different structures.

杀虫抗生素9512-2是由吸水链霉菌9512-2菌株产生的具有杀虫及抑菌活性的抗生素。The antimicrobial and insecticidal antibiotics 9512-2 was produced by Streptomyces hygroscopicus 9512-2 strain.

叶的甲醇抽提物活性高于氯仿抽提物和石油醚抽提物。The insecticidal activity of methanol extract was higher than that of chloroform extract and petroleum extract.

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报道了一种新型结构的拟除虫菊酯类似物的合成以及杀虫活性试验。A new chemical structure category of pyrethroids was synthesized. The tests in insecticidal activity was reported.

本研究评述了近年来源于植物中的具有昆虫拒食和杀虫作用的化学成分。This review deals with natural products possessing antifeedant and insecticidal properties from botanical origin recently.

结果表明，壳聚糖对鳞翅目和同翅目害虫均存在一定的杀虫活性。The results indicate that chitosan has insecticidal activity to the lepidopterous pest and homopterous to a certain extent.