棉花病虫害发生趋势及防治技术-课件.ppt

1、2022-10-1612022-10-162 2022-10-1632022-10-164苗病，铃病，枯黄、萎病红铃虫，棉铃虫，红蜘蛛，棉 蚜红蜘蛛，棉蚜，棉铃虫，红铃虫2022-10-1652022-10-1662022-10-1672022-10-1682022-10-1692022-10-16102022-10-16112022-10-16122022-10-1613 2022-10-1614 2022-10-16152022-10-1616 2022-10-1617 2022-10-16182022-10-16192022-10-16202022-10-16212022-10-1622

2、2022-10-16232022-10-16242022-10-16252022-10-16262022-10-16272022-10-16282022-10-16292022-10-1630 2022-10-16312022-10-16322022-10-16332022-10-16342022-10-16352022-10-16362022-10-16372022-10-16382022-10-16392022-10-16402022-10-16412022-10-16422022-10-16432022-10-16442022-10-16452022-10-16462022-10-164

3、72022-10-16482022-10-16492022-10-16502022-10-16512022-10-16522022-10-16532022-10-16542022-10-16552022-10-16562022-10-16572022-10-16582022-10-16592022-10-16602022-10-16612022-10-16622022-10-166305001000150020002500194919511953195519571959196119631965196719691971197319751977197919811983198519871989199

4、11993199519971999200120032005200720092011棉铃虫棉铃虫 发生面积发生面积棉红铃虫棉红铃虫 发生面积发生面积棉红蜘蛛棉红蜘蛛 发生面积发生面积棉盲蝽蟓棉盲蝽蟓 发生面积发生面积棉蚜棉蚜 发生面积发生面积2022-10-1664050010001500200025003000350040004500500019491951195319551957195919611963196519671969197119731975197719791981198319851987198919911993199519971999200120032005200720092011

5、棉铃虫棉铃虫 发生面积发生面积棉红铃虫棉红铃虫 发生面积发生面积棉红蜘蛛棉红蜘蛛 发生面积发生面积棉盲蝽蟓棉盲蝽蟓 发生面积发生面积棉蚜棉蚜 发生面积发生面积2022-10-16650100200300400500600700800900100019741975197619771978197919801981198219831984198519861987198819891990199119921993199419951996199719981999200090012002200320042005200620072008200920102011枯黄萎病枯黄萎病 发生面积发生面积铃病铃病 发生面

6、积发生面积苗病苗病 发生面积发生面积2022-10-1666百百株株虫虫量量2022-10-16672022-10-16682022-10-16692022-10-16702022-10-16712022-10-16722022-10-16732022-10-16742022-10-16752022-10-16762022-10-16772022-10-16782022-10-16792022-10-16802022-10-16812022-10-16822022-10-16832022-10-16842022-10-1685掌握好防治时期，按防治指标进行防治掌握好防治时期，按防治指标进行防治2022-10-1686 合理轮换使用合理轮换使用 2022-10-16872022-10-1688 2022-10-1689 2022-10-1690 2022-10-1691