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- Trapping lamps:an important instrument applied in IPM of forest pest insects 杀虫灯已成为森林害虫综合治理的重要工具
- forest pest insects 森林害虫
- forest pest insect 森林害虫
- Beneficial insects are allowed to flourish to keep pest insects in check. 益虫得以繁衍,以遏制害虫的数量。
- Pest insect community on orange leaves is analyzed with fuzzy cluster method. 经模糊聚类分析表明,柑桔叶片害虫群落由3个集群和3个边缘种组成。
- At present, many research works focus on forest pest fields in Japan. 摘要该文重点对近2a日本松材线虫病的研究文献进行整理分析。
- The SIT operations conducted in Mexico were successful in reducing the number of pest insects significantly. 墨西哥运用了这种方法,成功地把害虫的数目大大减少。
- Abstract: Phthorimaea heliopa (Loew) is one of the main pest insects for tobacco. 文章摘要: 烟蛀茎蛾是烟草的主要害虫之一,幼虫钻蛀烟茎,烟株生长缓慢.新叶簇生,植株矮小.产量和质量明显下降。
- Habituation of pest insects to repellents or insecticides may significantly reduce the effects of these control agents. 害虫对驱避剂或杀虫剂等产生习惯性反应可降低其防治效果。
- Prevention and Combat of Forest Pest and Insect 小议森林病虫害的防治
- Most species of Pissodes are serious pest insects which could spread to other area by human activities . 木蠹象属许多种类是针叶树的重要害虫,且极易通过人为携带传播扩散。
- The results showed that C. deformans was a forest pest greatly devastating in Gansu, and risk management on this disease should be strengthened. 结果表明,畸形金锈菌在甘肃省是接近于高度危险的林业有害生物,应加强风险性管理力度。
- To improve the forest pest control efficiency and reduce or avoid its externalities the governmental intervention was necessary. 林业有害生物防治管理需要政府的干预。
- It was shown in the paper that the forest pest control had the characteristics of a public goods and economic externalities. 用经济学的理论和方法对林业有害生物防治进行了分析和探讨,指出了林业有害生物防治具有公共物品特性和外部性经济效应。
- The soluble powder:polythiocycloalkanes, has good effective on the control of pest insects such as two-spotted spider mite, cotton bollworm and citrus red spider mite ect. 简介了产品的毒性毒理概况和应用范围,尤其是防治棉红蜘蛛、棉铃虫、柑桔红蜘蛛等害虫的良好特性。
- Applicability of insecticides to sustainable management of rice pest insects is evaluated according to toxicity,insecticide resistance,effects on beneficial animals,and so on. 从毒性、抗药性、对有益生物的影响等多方面综述了稻田杀虫剂在水稻害虫可持续治理中的适用性并进行了分类。
- ZHANG Shiyuan, CAI Daorao, LU Gao.2000. Emergence period of Monochamu salternatus and its distribute on regularity on infested pines. Forest Pest and Disease. 张世渊;蔡道尧;陆高等.;2000
- Objective An investigation was made into Chaenomeles speciosa in the original plants for providing the science basis on comprehensive control of diseases and pest insects. 目的对宣木瓜地道产区的病虫害进行了调查研究,为综合防治病虫害提供科学借鉴。
- Monochamus alternatus is not only an important pine forest pest,but also one of the most key vector for transmitting Bursaphelenchus xylophilus in China. 松墨天牛不仅是一种重要的森林害虫,还是松材线虫病的主要传播者。
- LUO Y Q,LU C K,XU Z C.Control strategies on a new serious forest pest insect-seabuckthorn carpenterworm,Holcocerus hippophaecolus[J].Forsest Pest and Disease,2003,22(5):25-28. [2]骆有庆;路常宽;许志春.;林木新害虫沙棘木蠹蛾的控制策略[J]