您要查找的是不是:
- Swede Midge,Contarinia nasturtii:A New Invasive Insect Pest to the US 一种潜在的危险性害虫:甘蓝瘿蚊Contarinia nasturtii (Keiffer)
- The biological character, damege and management of an invasive insect pest, Frankliniella occidentalis 入侵害虫西花蓟马的生物学、危害及防治技术
- Invasive insect pest 入侵害虫
- 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。
- invasive plant disease and insect pest 外来植物病虫害
- 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。
- 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 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。
- Insecticides are widely used for controlling most insect pests. 杀虫剂广泛应用于防治大多数害虫。
- 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。