摘要
本文通过田间药效试验对2.5%楝素.烟碱乳油等6种药剂防治茶树茶尺蠖效果进行评价:其中2.5%楝素.烟碱乳油20gai/ha(20gai/ha即表示有效成分为20克/公顷)、10%烟碱乳油40gai/ha、16000IU/mgBT可湿性粉剂96亿IU/ha、1%联苯菊酯水剂18gai/ha、4.5%高效氯氰菊酯乳油20gai/ha对茶尺蠖具有较好的防治效果,施药后第7天防效均在84%以上。其中2.5%楝素.烟碱乳油、16000IU/mgBT可湿性粉剂、10%烟碱乳油又为生物源农药,应大力推广使用。
The effects of six insecticides were evaluated against Buzura suppressaia Guenee in the field. The results showed the suitable dosage were toosedarin · nicotine 2.5 % EC 20 g ai/ ha, nicotine 10% EC 40 g ai/ha,16000 IU/mg BT WP 96 亿 IU/ha,bifenthrin 1% AS 18 g ai/ ha,beta-cypermethrin 4.5% EC 20 g ai/ha respectively . And their control effect were more than 84% after 7 days. Toosedarin ~ nicotine 2.5% EC, 16000 IU/mg BT WP and nicotine 10% EC should be spreaded vigorously for biogenic insecticides.
出处
《茶叶》
2006年第3期148-149,共2页
Journal of Tea
关键词
茶尺蠖
杀虫剂
药效
生物源
Buzura suppressaia Guenee
insecticides
effect of medicine
biogenic
