Selectivity and sublethal effects of some frequently-used biopesticides on the predator Cyrtorhinus

来源 :农业科学学报:英文版 | 被引量 : 0次 | 上传用户:raun395924241
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
The green miridbug, Cyrtorhinus lividipennis, is an important predator of the rice brown planthopper, Nilaparvata lugens. In this study, the selective toxicity of seven commercial biopesticides for C. lividipennis was examined under laboratory conditions;
其他文献
Over the past five decades, increased pressure caused by the rapidly growing population has resulted in a reclamation of agricultural and urban buffer zones alo
在室内和室外两种环境下,研究了蕉斑镰刀菌32—6菌株分生孢子液的不同接种浓度、不同接种量、不同接种雾滴大小对水花生致病效果的影响。结果表明,病菌分生孢子液的接种浓度和
形态特征 成株茎直立,圆形,无毛,上部多分枝。偶数羽状复叶。小叶20-30对,长圆形,先端钝圆,基部圆形,无柄。总状花序腋生,花少数,总花梗有疏刺毛,有黏质。花冠黄色带紫纹。
近年来杂草稻在江苏省大面积水稻田发生,尤其是苏中地区发生较严重,在少数田块已成为比稗草和千金子危害更重的杂草。杂草稻植株生长繁茂,在稻田与栽培稻争夺阳光、养分和水分,并
Soil moisture(SM), which plays a crucial role in studies of the climate, ecology, agriculture and the environment, can be estimated and mapped by remote sensing
在加拿大一枝黄花盛花期,采用剪除花穗、剪除花穗并短截、砍伐植株,以后再采收加拿大一枝黄花种子,于次年进行种子发芽试验。结果表明,3种处理的加拿大一枝黄花种子发芽率均
目的:观察慢性重症乙型肝炎患者应用小剂量谷胺酰胺颗粒后肝功能和内毒素水平的临床变化,评价小剂量谷胺酰胺颗粒应用于慢性重症乙型肝炎患者的可行性。方法40例诊断慢性重症乙
Heavy metals have been found to be endocrine disruptors in invertebrates. Lead is one of the most widespread elements of contamination, but there has been no re
目的初步探讨固定矫治技术结合微种植体支抗矫治成年女性恒牙期骨性Ⅲ类错[牙合]的颅颌牙面结构变化。方法选择10例成年女性骨性Ⅲ类错[牙合]患者,年龄18-39(24.1±5.98)岁
腹股沟疝是普外科常见病,多发病,目前采用的腹腔镜疝修补术主要为腹腔镜经腹腹膜前疝修补术(TAPP)和腹腔镜完全腹膜外疝修补术(TEP)等,而传统的TAPP法补片多需钉合,术后患者慢性疼痛