您要查找的是不是：
- forest pest insect 森林害虫
- 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
- 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。
- forest pest insects 森林害虫
- Prevention and Combat of Forest Pest and Insect 小议森林病虫害的防治
- 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。
- 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
- 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。
- 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]
- In comparison with integrated pest management and chemical control, the authors put forward a new strategy of forest pest control, named ecological control of forest pest (ECFP). 摘要与有害生物综合管理和化学控制比较后，作者提出了森林有害生物控制新策略-森林有害生物生态控制。
- Pest insect in loquat and its no pollution control 枇杷害虫与无公害综合防治技术
- pest insect of silkworm and mulberry tree 蚕桑害虫
- 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。
- The species, distribution, damage and control manures of the forest pest rodents in China were described. The major problems in the control at present and its study tendency were discussed. 摘要该文系统地阐述了我国森林有害啮齿动物的种类、分布及危害的研究进展，论述了鼠害的防控措施，分析了当前防治工作中的重点问题和研究热点。
- 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。
