蔬菜害虫低碳防治方法
1.以肥治虫 尿素具有破坏昆虫几丁质的作用，用尿素、洗衣粉、水???00的比例混合配制而成?ldquo;洗尿合剂，对为害蔬菜、花卉的蚜虫、菜青虫、红蜘蛛等多种害虫具有良好防治效果；在菜青虫产卵期，?%?%石灰水或1%?%过磷酸钙浸出液喷雾，一周内可避?2%以上，第五天效果可达84% style="white-space: normal; word-spacing: 0px; text-transform: none; word-break: break-all; color: rgb(51,51,51); font: 14px/22px Verdana, Arial; letter-spacing: normal; background-color: rgb(255,255,255); text-indent: 0px; -webkit-text-stroke-width: 0px" /> style="white-space: normal; word-spacing: 0px; text-transform: none; word-break: break-all; color: rgb(51,51,51); font: 14px/22px Verdana, Arial; letter-spacing: normal; background-color: rgb(255,255,255); text-indent: 0px; -webkit-text-stroke-width: 0px" /> 2.以死虫治活虫 每亩拾取100克菜青虫，捣碎腐烂，兑水250毫升，加洗衣?0克，再兑?0公斤，配?.2%的菜青虫体液，喷雾防治菜青虫，效果可?0%以上 style="white-space: normal; word-spacing: 0px; text-transform: none; word-break: break-all; color: rgb(51,51,51); font: 14px/22px Verdana, Arial; letter-spacing: normal; background-color: rgb(255,255,255); text-indent: 0px; -webkit-text-stroke-width: 0px" /> style="white-space: normal; word-spacing: 0px; text-transform: none; word-break: break-all; color: rgb(51,51,51); font: 14px/22px Verdana, Arial; letter-spacing: normal; background-color: rgb(255,255,255); text-indent: 0px; -webkit-text-stroke-width: 0px" /> 3.以菌治虫 北京市农林科学院利用?strong class="keylink" style="font-family: Verdana, Arial; word-break: break-all">玉米粉为主要培养基培养繁殖的座壳孢菌剂防治温室白粉虱，对白粉虱若虫的寄生率可?0%以上 style="white-space: normal; word-spacing: 0px; text-transform: none; word-break: break-all; color: rgb(51,51,51); font: 14px/22px Verdana, Arial; letter-spacing: normal; background-color: rgb(255,255,255); text-indent: 0px; -webkit-text-stroke-width: 0px" /> style="white-space: normal; word-spacing: 0px; text-transform: none; word-break: break-all; color: rgb(51,51,51); font: 14px/22px Verdana, Arial; letter-spacing: normal; background-color: rgb(255,255,255); text-indent: 0px; -webkit-text-stroke-width: 0px" /> 4.堆草诱捕 利用蟋蟀喜栖于薄层草堆下面的习性，将厚?0?0厘米的小草堆?米一行?米一堆均匀地摆放在田间，次日揭草集中捕杀；若在草堆下面放些毒饵或用直??厘米的木棍捣成洞穴，则效果更好 style="white-space: normal; word-spacing: 0px; text-transform: none; word-break: break-all; color: rgb(51,51,51); font: 14px/22px Verdana, Arial; letter-spacing: normal; background-color: rgb(255,255,255); text-indent: 0px; -webkit-text-stroke-width: 0px" /> style="white-space: normal; word-spacing: 0px; text-transform: none; word-break: break-all; color: rgb(51,51,51); font: 14px/22px Verdana, Arial; letter-spacing: normal; background-color: rgb(255,255,255); text-indent: 0px; -webkit-text-stroke-width: 0px" /> 5.黄板诱杀 蚜虫、白粉虱等对黄色具有强烈趋性，可设置黄板诱杀成虫。方法是：将纤维板或硬纸板裁??times;0.2米的长条，涂成橙皮黄色，再涂上一层粘??0号机油加少许黄油调匀)，每?2?4块，置于行间，使黄板底部与植株顶端相平或略高 style="white-space: normal; word-spacing: 0px; text-transform: none; word-break: break-all; color: rgb(51,51,51); font: 14px/22px Verdana, Arial; letter-spacing: normal; background-color: rgb(255,255,255); text-indent: 0px; -webkit-text-stroke-width: 0px" /> style="white-space: normal; word-spacing: 0px; text-transform: none; word-break: break-all; color: rgb(51,51,51); font: 14px/22px Verdana, Arial; letter-spacing: normal; background-color: rgb(255,255,255); text-indent: 0px; -webkit-text-stroke-width: 0px" /> 6.性外激素诱杀 利用性外激素防治害虫是近几年发展起来的一项治虫新技术。目前，性外激素的应用大致有三种形式：即利用人工合成的性外激?称为性诱?rdquo;)、利用性外激素的粗提物、直接利用未交尾的活雌虫、/p>