桃树潜叶蛾防治.pptx

1、portant; font: 14px/21px Simsun; white-space: normal; float: none; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0,px; -webkit-text-stroke-width: 0px桃潜叶蛾又名桃叶潜蛾，属鳞翅目，潜叶蛾科。portant; font: 14px/21px Simsun; white-space: normal; float: none; l,etter-spacing: normal; color: rgb(0,0,0); word-spa

2、cing: 0px; -webkit-text-stroke-width: 0px分布与危害 portant; font: 14px/21px S,imsun; white-space: normal; float: none; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-stroke-wi,dth: 0px分布河南、山东、河北、陕西等地。幼虫在叶肉串成弯曲潜道，致使叶片脱落。为害桃、杏、李、樱桃。portant; font: 14px/21px Simsun; white-space:

3、normal; float: none;,letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-stroke-width: 0px形态特征 portant; font: 14px/21px S,imsun; white-space: normal; float: none; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-stroke-wi,dth: 0px桃潜叶蛾portant; font: 14

4、px/21px Simsun; white-space: normal; float: none; letter-spacing: normal; color: rgb(0,0,0);,word-spacing: 0px; -webkit-text-stroke-width: 0pxportant; font: 14px/21px Simsun; white-space: normal; float: none; letter,-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-stroke-width: 0

5、px成虫：体长3毫米，翅展6毫米，体及前翅银白色。前翅狭长，先端尖，附生3,条黄白色斜纹，翅先端有黑色斑纹。前后翅都具有灰色长缘毛。portant; font: 14px/21px Simsun; white-space: normal; float: none; letter-spacing: normal; color:,rgb(0,0,0); word-spacing: 0px; -webkit-text-stroke-width: 0px卵：扁椭圆形，无色透明，卵壳极薄而软，大小为0.33 0.26毫米。portant; font: 14px/21px,Simsun; white-sp

6、ace: normal; float: none; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-stroke-w,idth: 0px幼虫：体长6毫米，胸淡绿色，体稍扁。有黑褐色胸足3对。portant; font: 14px/21px Simsun; white-space: normal; float: none; letter-spacing: no,rmal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-stroke-widt

7、h: 0px茧：扁枣核形，白色，茧两侧有长丝粘于叶上。portant; font: 14px/21px S,imsun; white-space: normal; float: none; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-stroke-wi,dth: 0px生活史与习性： 每年发生约7代，以成虫在桃园附近的梨树、杨树portant; font: 14px/21px Simsun; white-space: normal; float: none; letter-spacing:

8、,normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-stroke-width: 0px等树皮缝内及落叶、杂草、石块下过冬。来年4月桃展叶后，成虫羽化，夜间活动产卵于叶下表皮内、幼虫,孵化后，在叶组织内潜食为害，串成弯曲隧道，并将粪粒充塞其中，叶的表皮不破裂，可由叶面透视。叶受害后枯死脱落。幼虫老熟后在叶内吐丝结白色薄茧化蛹。5月上中旬发生第一代成虫，以后每月发生1代，最后1代发生在11月上旬。portant; font: 14p,x/21px Simsun; white-space: normal; float: none;

9、letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-s,troke-width: 0px防治方法 portant; font: 14px/21px Simsun; white-space: normal; float: none; letter-spacing: normal; color: rgb(,0,0,0); word-spacing: 0px; -webkit-text-stroke-width: 0px冬季结合清园，扫除落叶烧毁，消灭越冬蛹。portant; font: 14px/21px Simsun; white-space,: normal; float: none; letter-spacing: normal; color: rgb(0,0,0); word-spacing