2022年主要农作物病虫草害发生趋势展望
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;"></span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">根据</span>20</span><span style="margin: 0px; padding: 0px; font-size: 19px;">22</span><span style="margin: 0px; padding: 0px; font-size: 19px;">年病虫草春季基数及历年发生情况，结合气象预报和我县农作物种植布局，对今年我县主要农作物病虫草害发生趋势做如下预测。</span></p><p style="margin-top: 0px; margin-bottom: 0px; margin-left: 88px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 28px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">一、 </span><span style="margin: 0px; padding: 0px; font-size: 19px;">小麦病虫草害</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">1.小麦蚜虫：根据我县麦蚜历年发生情况，结合气象预报，20</span><span style="margin: 0px; padding: 0px; font-size: 19px;">21</span><span style="margin: 0px; padding: 0px; font-size: 19px;">年冬季气温</span><span style="margin: 0px; padding: 0px; font-size: 19px;">略</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">偏高，有利于蚜虫越冬。今年气候展望</span>3～5月份平均气温预计较常年偏高，降水量</span><span style="margin: 0px; padding: 0px; font-size: 19px;">较</span><span style="margin: 0px; padding: 0px; font-size: 19px;">常年</span><span style="margin: 0px; padding: 0px; font-size: 19px;">偏多</span><span style="margin: 0px; padding: 0px; font-size: 19px;">，预计麦蚜将大发生。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">2.小麦白粉病：预计为</span><span style="margin: 0px; padding: 0px; font-size: 19px;">中等</span><span style="margin: 0px; padding: 0px; font-size: 19px;">发生，局部</span><span style="margin: 0px; padding: 0px; font-size: 19px;">偏重</span><span style="margin: 0px; padding: 0px; font-size: 19px;">发生；依据是</span><span style="margin: 0px; padding: 0px; font-size: 19px;">今年雨水较多，</span><span style="margin: 0px; padding: 0px; font-size: 19px;">我县小麦水浇条件好，种植面积大，密度偏高，有利于小麦白粉病发生流行。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">3.小麦纹枯病、</span><span style="margin: 0px; padding: 0px; font-size: 19px;">茎基腐病、</span><span style="margin: 0px; padding: 0px; font-size: 19px;">根腐病：预计为偏轻发生，依据是近几年我县小麦纹枯病、</span><span style="margin: 0px; padding: 0px; font-size: 19px;">茎基腐病、</span><span style="margin: 0px; padding: 0px; font-size: 19px;">根腐病为偏轻发生，土壤中有一定数量的菌源，春季气象条件对小麦纹枯病、根腐病发生无不利影响，</span><span style="margin: 0px; padding: 0px; font-size: 19px;">小麦苗弱的地块利于该病发生</span><span style="margin: 0px; padding: 0px; font-size: 19px;">。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">4.麦田杂草：根据麦田杂草春季基数调查，以荠菜、播娘蒿</span><span style="margin: 0px; padding: 0px; font-size: 19px;">、</span><span style="margin: 0px; padding: 0px; font-size: 19px;">藜</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">为主的麦田杂草每平方米平均</span>2</span><span style="margin: 0px; padding: 0px; font-size: 19px;">0</span><span style="margin: 0px; padding: 0px; font-size: 19px;">-4</span><span style="margin: 0px; padding: 0px; font-size: 19px;">5</span><span style="margin: 0px; padding: 0px; font-size: 19px;">株，局部</span><span style="margin: 0px; padding: 0px; font-size: 19px;">40</span><span style="margin: 0px; padding: 0px; font-size: 19px;">-6</span><span style="margin: 0px; padding: 0px; font-size: 19px;">5</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">株，据气象资料分析，</span>3-5月份降水量</span><span style="margin: 0px; padding: 0px; font-size: 19px;">较</span><span style="margin: 0px; padding: 0px; font-size: 19px;">常年</span><span style="margin: 0px; padding: 0px; font-size: 19px;">偏多</span><span style="margin: 0px; padding: 0px; font-size: 19px;">，有利于杂草生长，由此麦田杂草将中等发生，局部地块偏重发生。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">二、草地贪夜蛾</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">也称粘秋虫，是</span>2019年新侵入我国的一种迁飞性害虫，可危害玉米、水稻等多种作物，据全国农技中心专家分析预测，预计8月中下旬迁入唐山市，主要发生在晚播夏玉米田。这一时期我站将对全县各乡镇关注做好草地贪夜蛾的调查。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">三、</span><span style="margin: 0px; padding: 0px; font-size: 19px;">玉米病虫害</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">1.玉米螟：预计一代玉米螟为偏重发生。依据春季基数调查平均百株活虫</span><span style="margin: 0px; padding: 0px; font-size: 19px;">32.4</span><span style="margin: 0px; padding: 0px; font-size: 19px;">头，</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">玉米螟存活率</span>93.3%</span><span style="margin: 0px; padding: 0px; font-size: 19px;">，据气象资料显示，今冬气温</span><span style="margin: 0px; padding: 0px; font-size: 19px;">较</span><span style="margin: 0px; padding: 0px; font-size: 19px;">常年略偏高，有利于玉米螟越冬存活，由此我县一代玉米螟将偏重发生。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">2.玉米蚜虫、玉米红蜘蛛：预计为中等发生，局部偏重发生。依据20</span><span style="margin: 0px; padding: 0px; font-size: 19px;">21</span><span style="margin: 0px; padding: 0px; font-size: 19px;">年我县玉米蚜虫、玉米红蜘蛛发生情况，结合今年我县气象预报分析，平均气温接近常年</span><span style="margin: 0px; padding: 0px; font-size: 19px;">略偏高</span><span style="margin: 0px; padding: 0px; font-size: 19px;">，因此玉米蚜虫、玉米红蜘蛛将中等发生</span><span style="margin: 0px; padding: 0px; font-size: 19px;">，</span><span style="margin: 0px; padding: 0px; font-size: 19px;">局部偏重发生</span><span style="margin: 0px; padding: 0px; font-size: 19px;">。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">3.玉米蓟马：预计为</span><span style="margin: 0px; padding: 0px; font-size: 19px;">偏重</span><span style="margin: 0px; padding: 0px; font-size: 19px;">发生，局部</span><span style="margin: 0px; padding: 0px; font-size: 19px;">大</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">发生。依据是</span>20</span><span style="margin: 0px; padding: 0px; font-size: 19px;">21</span><span style="margin: 0px; padding: 0px; font-size: 19px;">年我县春玉米普遍发生蓟马危害，虫源充足再加上气象条件有利于蓟马发生。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">4.粘虫：二代粘虫预计</span><span style="margin: 0px; padding: 0px; font-size: 19px;">偏</span><span style="margin: 0px; padding: 0px; font-size: 19px;">轻发生</span><span style="margin: 0px; padding: 0px; font-size: 19px;">，</span><span style="margin: 0px; padding: 0px; font-size: 19px;">部分地区将出现高密度集中为害田块</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">；根据粘虫的习性，</span>6-7月份如果</span><span style="margin: 0px; padding: 0px; font-size: 19px;">我县降雨较多，气候潮湿，后期闷热，气象条件非常有利于粘虫的迁入、产卵孵化和幼虫存活</span><span style="margin: 0px; padding: 0px; font-size: 19px;">，所以三代粘虫有暴发的可能。我站将密切关注虫情及天气变化，做到早预警，早防治。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">四、</span><span style="margin: 0px; padding: 0px; font-size: 19px;">棉铃虫：根据棉铃虫春季蛹调查，</span><span style="margin: 0px; padding: 0px; font-size: 19px;">结合气象条件分析，预计二代棉铃虫在玉米、花生、蔬菜田将中等发生，局部偏重发生。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">五、</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">地下害虫：依据地下害虫春季基数调查：蛴螬每平方米</span>0.</span><span style="margin: 0px; padding: 0px; font-size: 19px;">199</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">头、蝼蛄</span>0.08</span><span style="margin: 0px; padding: 0px; font-size: 19px;">4</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">头</span>/平方米、金针虫0.0</span><span style="margin: 0px; padding: 0px; font-size: 19px;">51</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">头</span>/平方米，结合历年发生情况及气象条件分析，预计地下害虫将</span><span style="margin: 0px; padding: 0px; font-size: 19px;">偏轻</span><span style="margin: 0px; padding: 0px; font-size: 19px;">发生，局部地块</span><span style="margin: 0px; padding: 0px; font-size: 19px;">中等</span><span style="margin: 0px; padding: 0px; font-size: 19px;">发生。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">六</span><span style="margin: 0px; padding: 0px; font-size: 19px;">、蔬菜病虫害</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">1.蔬菜病害：根据我县保护地蔬菜种植面积，品种及栽培管理水平，结合历年发生情况等综合分析，预计蔬菜霜霉病、叶霉病、灰霉病、番茄晚疫病、枯萎病以及生理性病害将偏重发生；青椒疫病、白粉病、炭疽病、病毒病、根结线虫病、番茄黄化曲叶病毒病将中等到偏重发生。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">2.蔬菜虫害：由于我县蔬菜周年生产，大多数虫害没有越冬滞育，因此发生逐年加重，结合历年发生情况分析，预计以温室白粉虱、烟粉虱为主的虫害将偏重发生；美洲斑潜蝇、蚜虫、茶黄螨将中等发生。露植蔬菜的小菜蛾、菜蚜将偏重发生，菜青虫将中等发生，斜纹夜蛾、甘蓝夜蛾将轻发生，甜菜夜蛾偏轻发生。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">七</span><span style="margin: 0px; padding: 0px; font-size: 19px;">、水稻病虫害</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">1.水稻病害：根据我县水稻病害历年发生情况，结合气象条件分析，以稻瘟病、</span><span style="margin: 0px; padding: 0px; font-size: 19px;">稻曲病</span><span style="margin: 0px; padding: 0px; font-size: 19px;">等为主的病害将</span><span style="margin: 0px; padding: 0px; font-size: 19px;">中等</span><span style="margin: 0px; padding: 0px; font-size: 19px;">发生，局部</span><span style="margin: 0px; padding: 0px; font-size: 19px;">偏重</span><span style="margin: 0px; padding: 0px; font-size: 19px;">发生；水稻纹枯病</span><span style="margin: 0px; padding: 0px; font-size: 19px;">将中等偏重发生，</span><span style="margin: 0px; padding: 0px; font-size: 19px;">水稻恶苗病、白叶枯病将轻发生。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">2.水稻虫害：稻水象甲预计将</span><span style="margin: 0px; padding: 0px; font-size: 19px;">偏轻</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">发生，依据是越冬场所调查：越冬场所每平方米有虫</span>0.</span><span style="margin: 0px; padding: 0px; font-size: 19px;">89</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">头；水稻二化螟根据病虫基数</span>0.</span><span style="margin: 0px; padding: 0px; font-size: 19px;">11</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">头</span>/穴，将</span><span style="margin: 0px; padding: 0px; font-size: 19px;">中等</span><span style="margin: 0px; padding: 0px; font-size: 19px;">发生，局部</span><span style="margin: 0px; padding: 0px; font-size: 19px;">偏重</span><span style="margin: 0px; padding: 0px; font-size: 19px;">发生。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 27px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">八</span><span style="margin: 0px; padding: 0px; font-size: 19px;">、蝗虫：预计</span><span style="margin: 0px; padding: 0px; font-size: 19px;">农区蝗虫</span><span style="margin: 0px; padding: 0px; font-size: 19px;">夏蝗</span><span style="margin: 0px; padding: 0px; font-size: 19px;">总体</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">偏轻发生，发生面积</span>3万亩左右，主要发生在汤家河、古河、姜各庄等沿海荒地、苇塘等。局部地区的稻蝗将中等发生。土蝗预计将偏轻发生。</span></p><p><span style="color: rgb(102, 102, 102); font-family: Microsoft YaHei; font-size: 12px; text-align: center; background-color: rgb(255, 255, 255);">来源：乐亭县农业农村局植保站</span></p><link rel="stylesheet" href="http://bbs.laotingbest.com/source/plugin/wcn_editor/public/wcn_editor_fit.css?v134_A88" id="wcn_editor_css"/> 感谢分享
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