论文部分内容阅读
2009年在山西省太谷县红枣园的进行防治试验。结果表明,每棵树悬挂4个或3个性诱芯时,对桃小食心虫有很好的迷向效果。在不喷化学农药的条件下,其平均迷向率达到96%和90.2%,防效为85.71%和80.95%;每棵树悬挂2个、1个性诱芯时,其平均迷向率为78.33%和69.41%,防效为66.67%和61.90%;而每两棵树悬挂一个性诱芯时其平均迷向率为43.38%,防效为57.14%。
2009 in Taigu County, Shanxi Province, jujube Park for prevention and control tests. The results showed that each tree hanging 4 or 3 sexual attractant, the peach beetle worm has a good effect. Under the condition of no spraying of chemical pesticides, the average rate of gyration was 96% and 90.2%, and the control effect was 85.71% and 80.95% respectively. When each tree was suspended 2 or 1, the average rate of gyration was 78.33 % And 69.41%, respectively. The control efficiency was 66.67% and 61.90% respectively. When the average number of breeches was 2%, the average breech rate was 43.38% and the control effect was 57.14%.