为有效防控云南茶树重要的食叶性害虫茶谷蛾(Agriophara rhombata),筛选防治茶谷蛾的适用药及适用量,指导科学用药。在室内采用浸叶法测定24~96 h 4种不同稀释倍数杀虫剂对茶谷蛾3龄幼虫的毒力作用。结果表明,4种化学杀虫剂对3龄茶谷蛾...为有效防控云南茶树重要的食叶性害虫茶谷蛾(Agriophara rhombata),筛选防治茶谷蛾的适用药及适用量,指导科学用药。在室内采用浸叶法测定24~96 h 4种不同稀释倍数杀虫剂对茶谷蛾3龄幼虫的毒力作用。结果表明,4种化学杀虫剂对3龄茶谷蛾幼虫的毒力作用由强到弱表现为:24~72 h时,6%乙基多杀菌素悬浮剂(SC)>15%茚虫威乳油(EC)>15%唑虫酰胺SC>24%虫螨腈SC;96 h时,6%乙基多杀菌素SC>24%虫螨腈SC>15%茚虫威EC>15%唑虫酰胺SC。6%乙基多杀菌素SC与15%茚虫威EC具有较强毒杀力及速效性,可作为应急防治茶谷蛾的推荐药剂;24%虫螨腈SC发挥作用较缓,具有明显的时间—剂量—死亡率效应。研究结果可为云南茶区茶谷蛾的防治提供参考基础和依据。展开更多
Yunnan is not only the center of tea origination but also the center of tea evolution and variation.There is a broad distribution of Sect.Thea(L.) Dyer in Yunnan.This paper concerns the research progress of Sect.The...Yunnan is not only the center of tea origination but also the center of tea evolution and variation.There is a broad distribution of Sect.Thea(L.) Dyer in Yunnan.This paper concerns the research progress of Sect.Thea(L.) Dyer,reveals the distribution of Sect.Thea(L.) Dyer in Yunnan,and checks out the number and name of Sect.Thea(L.) Dyer in Yunnan,which will offer references for further study and application of tea plants.展开更多
基金Supported by Foundation of Tea Research Institute of Yunnan Acad-emy of Agricultural Science (2009A09-37)~~
文摘Yunnan is not only the center of tea origination but also the center of tea evolution and variation.There is a broad distribution of Sect.Thea(L.) Dyer in Yunnan.This paper concerns the research progress of Sect.Thea(L.) Dyer,reveals the distribution of Sect.Thea(L.) Dyer in Yunnan,and checks out the number and name of Sect.Thea(L.) Dyer in Yunnan,which will offer references for further study and application of tea plants.