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- Fruit Insect Pests and Disease Control 果树病虫害防治
- fruit insect pest 果树害虫
- 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。
- Fruit insect pests 果实害虫
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。