杀虫的
- 与 杀虫的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Bioassay results at the laboratory showed that HNPC-A2005 had good stomach, contact, comprehensive action and a weak systemic activity to the lepidopterous insects such as oriental armyworm Mythimna separata and imported cabbageworm Pieris rapae. Quick knockdown action was also observed during the experiment.
室内生测结果表明,HNPC-A2005对粘虫和菜青虫等害虫具有优异的胃毒、触杀和综合毒力,且在试验过程中还发现该化合物具有对昆虫击倒快的特点,但内吸作用较弱。
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Control and elimination can only be achieved through repeated sprayings with an appropriate bug killer by a professional exterminator.
只有通过专业灭虫人员用合适的杀虫剂进行多次反复喷杀,才能控制和消灭臭虫。
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All chickens were orally challenged with homologous sporulated oocysts at 26 days of age and killed at eight days post challenge. Weight gains, anticoccidial index and oocyst output were determined and compared with those of the control animals.
以可溶性的GST-gam56-2融合蛋白为免疫原,设立高、中、低(1.0 mg、0.5 mg、0.25 mg) 3个剂量,单独或使用弗氏完全佐剂,于5 d、12 d和19 d对雏鸡进行3次免疫, 26 d用5×104个E.maxima孢子化卵囊进行攻虫,8 d后迫杀,对各组的存活率、相对增重率、卵囊减少率、ACI等指标进行统计分析。
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On the other hand, the contact toxicity order of bitter almind oil on three pests is Musca domestica vicina, Mythimna separata Walke and Sitophilus zeamais Mots.
另外,两种处理的精油对家蝇的触杀活性最强,其次为粘虫,玉米象最低。
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The pyrethrin insecticides had lower toxicities to this insects, and the the corrected mortality of avermectin and the chitin synthesis inhibitors is lower than 40%, which's dose is 50 mg/kg.
微生物源杀虫剂阿维菌素和几丁质合成抑剂灭幼脲、杀铃脲和除虫脲对细胸金针虫幼虫的毒力较低,在剂量为50mg/kg土时,其校正死亡率均在40%以下。
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Was also observed and evaluated ,The poison symptoms of tropically treated M.separata were observed, following a similar pattern of nerve poisoning: excitation, convulsion, paralysis, and death. The effect of acetone extract from Ferula.ferulaeoidis on the development and hatch of the eggs and survival of hatched larvae as well as ovicidal activity was observed and estimated.
蛹的生长发育有抑制作用,中毒粘虫先后表现出兴奋、痉挛、麻痹等症状,最后死亡;对黄粉虫蛹生长发育的抑制作用类似于保幼激素(Juvenile hormone analogs, JHA)活性;对棉铃虫(Heliothis armigera Hübner)卵发育、孵化及初孵幼虫存活有明显影响,表现出一定的杀卵活性。
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Toxicity and repellent activity of several plant-based compounds on Blattella germanica were studied, results showed that rotenone, toosendanin and azadirachtin had stomach toxic effect on Blattella germanica, rotenone showed high stomach toxicity and all insects died after 8 hours, matrine also has deformative effect on Blattella germanica , matrine and toosendanin can affect oviposition of Blattella germanica; repellent activity of these botanicals was further studied, results showed that bering hydrochloridum, azadirachtin and sparteinehave had repellent activity against Blattella germanica, observation also showed that rotenone and bering hydrochloridum had high contact toxicity against Blattella germanica, the time of all insects knocked down were 8 and 48 hours.
选取了7种植物源化合物,测定了它们对德国小蠊的毒性和驱避性,结果表明,鱼藤酮、川楝素和印楝素对德国小蠊具有不同程度的胃毒作用,其中鱼藤酮乙酸乙酯溶液作用较强,8小时死亡率已达100%,川楝素和印楝素对德国小蠊也表现出一定的毒杀作用,观察还发现印楝素和苦参碱对德国小蠊的发育有致畸作用,苦参碱和川楝素影响其卵鞘形成;进一步对这几种化合物的驱避性进行研究,结果表明盐酸黄连素、鱼藤酮乳油和印楝素乳油对德国小蠊有不同程度的驱避作用,其驱避率分别为96.7%、51.3%和50.1%,另外观察到鱼藤酮乙酸乙酯溶液和盐酸黄连素对德国小蠊具有较强的触杀活性,供试虫全部被击倒的时间分别为8小时和48小时。
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Uses: Control of a wide range of insects (particularly Lepidoptera, Hemiptera, Homoptera, Diptera and Coleoptera) and spider mites in fruit, vines, olives, hops, vegetables, ornamentals, field crops, cucurbits, flax, cotton, tobacco, soya beans, etc. Also used for control of flies in animal and poultry houses and dairies.
具有触 杀和胃毒双重作用,进入虫体后,抑制乙酰胆碱酯酶,使昆虫神经传导中起重要作用的乙酰胆碱无法分解造成神经冲动无法控制传递,使昆虫出现惊撅、过度兴奋、麻痹与震颤而无法在作物上取食,导致最终死亡。
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Agri-Terra, developed by Cal Agri Products, LLC, USA, is an efficient, environmentally friendly new nematocide with low toxicity.
Agri-Terra是由美国加州农产品有限公司研制开发的无机环保型杀线虫剂。
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The results showed that no obvious contact toxicities against the 3rd instars larvae of Mythimna separata Walker were observed in all treatment, and only the extract of Euonymus japonicus exhibited notable stomach toxicity.
采用微量点滴法和载毒叶片饲喂法测定30种药用植物乙醇提取物对粘虫3龄幼虫的触杀、胃毒以及拒食活性,结果表明供试样品在50 mg﹒mL~(-1)浓度下,冬青卫矛Euonymus japonicus Thunb。
- 推荐网络例句
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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.
随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。
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But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.
不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。
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Closes the eye, the deep breathing, all no longer are the dreams as if......
关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。