摘要
甘蓝蚜在银川地区1 a发生15代左右,危害较为严重。以2.5%高效氯氟氰菊酯水乳剂对大白菜(‘津绿75’)甘蓝蚜的田间药效进行了试验。结果表明:2.5%高效氯氟氰菊酯水乳剂对大白菜甘蓝蚜的防治效果较好,平均防效在90.9%以上,最佳使用剂量7.5 ga.i./hm2以上。
In the Yinchuan area,cabbage aphid occurred 15 generations a year or so,and was seriously harmed.2.5% Cyhalothrin water emulsion efficiency on Chinese cabbage(Tianjin Green 75) aphid was tested in field.The results showed that 2.5% Cyhalothrin water emulsion had good control effect on Chinese cabbage aphid,average control effect reached 90.9%,the best dosage was 7.5 g a.i./hm2 above.
出处
《北方园艺》
CAS
北大核心
2011年第9期165-166,共2页
Northern Horticulture
关键词
银川
甘蓝蚜
发生规律
防治效果
Yinchuan
Brevicoryne brassicae Linnaeus
aphid occurreuee control technique
