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- An insect pest fatal to cotton had struck the crop. 棉花遭受了一种致命的虫害。
- The severe frost kill off most of the insect pest. 严霜杀死了大多数害虫。
- Review on Cultivation and Insect Pest Control of Rhododendron L. 杜鹃花培育及常见病虫害防治技术研究进展。
- Erythroneura melia Kuoh is a serious insect pest on chinaberry. 苦楝斑叶蝉是苦楝树上的重要害虫。
- Dent, D. Insect Pest Management (2nd Edition). CABI Publishing. 2000. 江静波等。无脊椎动物学。北京:高等教育出版社,1992。
- Dendrolimus punctatus is the most destructive forest insect pest in China. 马尾松毛虫一直是我国最严重的森林食叶害虫之一。
- Many pest situations are caused by natural phenomena. 许多害虫的情况都是由自然现象造成的。
- The insecticide will kill off the insect pests. 这情形剂可消灭害虫。
- Integrated insect pest control and effective water management should be developed. 发展病虫害防治和水分管理措施。
- The competent forest authorities at various levels shall be responsible for the organization of the work of forest insect pest prevention. 各级林业主管部门负责组织森林病虫害防治工作
- Diomea cremata Butler,a noctuid insect pest of mushroom,was newly found in Fujian Province. 本文报道的星狄夜蛾 Diomea cremata Butler 是福建省食用菌害虫的新记录.
- Article 22 The competent forest authorities at various levels shall be responsible for the organization of the work of forest insect pest prevention. 第二十二条 各级林业主管部门负责组织森林病虫害防治工作。
- Abstract In recent years, the codling moth Laspeyresia pomonella (L.) has spread from the Hexi Corridor to inland apple production areas of China, and the pest situation is serious. 摘要 苹果蠹蛾近年来正从甘肃河西走廊向内地蔓延,形势十分严峻。
- The results showed: the peach borer has been one of the most important corn insect pest. 结果表明:桃蛀螟已成为玉米的主要害虫之一。
- In the insect pest of balsamine, the mainest is mite, the red spider that often says namely. 在凤仙花的虫害中,最主要的是螨,即常说的红蜘蛛。
- DDT sprayed into the air kills mosquitoes and other insect pests. 喷射到空气中的DDT能杀死蚊子和其他有害昆虫。
- The spruce bark beetle is the major tree-killing insect pest of Alaska spruce forests. 云杉树皮甲虫是阿拉斯加云杉树林中危害树木的主要害虫。
- In this paper,influence factors of insect pest occurrence of urban green-land were studied. 为有效控制城市绿地害虫,对城市绿地虫害发生的影响因素进行了研究。
- Insecticides are widely used for controlling most insect pests. 杀虫剂广泛应用于防治大多数害虫。
- Bemisia tabaci (Genn.) is a serious insect pest of many crops throughout the tropics and subtropics. 本研究在调查了烟粉虱Bemisia tabaci (Gennadius)种群分布规律的基础上,从37种常见植物中筛选出15种对烟粉虱成虫产卵驱避作用效果较好的植物次生物质,并运用生命表方法、种群趋势指数和种群干扰作用控制指数等方法进一步对其评价。