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- Crude extracts of Vitex negundo seeds were tested for insecticidal activity against five insect pest species andsafety to the multicolored ladybeetle (Harmonia axyridis). 研究了黄荆种子二氯甲烷提取物对5种害虫的杀虫活性以及对天敌异色瓢虫的安全性。
- 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。
- Dangerousness is taken into consideration when a pest species is selected for quarantine. 依据考虑对象的危险性大小筛选危险性种类。
- The insecticide will kill off the insect pests. 这情形剂可消灭害虫。
- Gloydius intermedius mainly lived near streams around village and might become a pest species to ecotourism at local areas. 中国林蛙和中介蝮分别为两栖类和爬行类的优势种,但分布较集中。
- 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 suffocating effects of 48% Chlorpyrifos to the two pest species are good, the death rates of R. dominica and C. minutus reached 100.0 percent at the density of 0.80ml/L. 48%25乐斯本乳油对两种储粮害虫的熏蒸效果较好;在0.;80ml/L浓度下;谷蠹、长角扁谷盗死亡率均达到100
- 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
- Kinnear MW,Bariana HS,1998.Polymorphic microsatellite markers for population analysis of a tephritid pest species,Bactrocera tryoni.Molecular Ecology,7:1 489-1 495. [康芬芬;李志红;2006.;利用微卫星标记初步分析桔小实蝇4个地理种群的遗传多态性
- 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.
- Different pest species can arise with the shift from tillage-based agriculture to no-till, for instance.And the kinds of weeds and crop diseases can change. 例如,从整地农业转为不整地农业时,可能会出现不同的害虫,而杂草和植物病害的种类也会改变。
- 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。
- 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。
- Insecticides are widely used for controlling most insect pests. 杀虫剂广泛应用于防治大多数害虫。