病虫情报第二期--注意及时除治麦田杂草
<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></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;">目前我县冬小麦正值</span><span style="margin: 0px; padding: 0px; font-size: 19px;">起身</span><span style="margin: 0px; padding: 0px; font-size: 19px;">期，随着气温逐渐回升，有利于麦田杂草迅速生长，并与麦苗争水</span><span style="margin: 0px; padding: 0px; font-size: 19px;">、</span><span style="margin: 0px; padding: 0px; font-size: 19px;">争肥</span><span style="margin: 0px; padding: 0px; font-size: 19px;">、</span><span style="margin: 0px; padding: 0px; font-size: 19px;">争光</span><span style="margin: 0px; padding: 0px; font-size: 19px;">，</span><span style="margin: 0px; padding: 0px; font-size: 19px;">影响小麦正常生长，</span><span style="margin: 0px; padding: 0px; font-size: 19px;">造成小麦减产。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 35px; 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;">据我县植保站</span>3月</span><span style="margin: 0px; padding: 0px; font-size: 19px;">15</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">日</span>-</span><span style="margin: 0px; padding: 0px; font-size: 19px;">4</span><span style="margin: 0px; padding: 0px; font-size: 19px;">月</span><span style="margin: 0px; padding: 0px; font-size: 19px;">6</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">日在全县麦田调查，我县麦田杂草已普遍发生</span>,主要有荠菜、播娘蒿、藜等，</span><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 19px;">少数麦田有野燕麦、雀麦等禾本科杂草发生</span><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 19px;">。</span><span style="margin: 0px; padding: 0px; font-size: 19px;">杂草平均密度为</span><span style="margin: 0px; padding: 0px; font-size: 19px;">10</span><span style="margin: 0px; padding: 0px; font-size: 19px;">-</span><span style="margin: 0px; padding: 0px; font-size: 19px;">20</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">株</span>/平方米，个别地块最高密度达</span><span style="margin: 0px; padding: 0px; font-size: 19px;">2</span><span style="margin: 0px; padding: 0px; font-size: 19px;">5-</span><span style="margin: 0px; padding: 0px; font-size: 19px;">45</span><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">株</span>/平方米。小麦</span><span style="margin: 0px; padding: 0px; font-size: 19px;">返青期至拔节前，</span><span style="margin: 0px; padding: 0px; font-size: 19px;">正是麦田杂草防治最佳时期，望广大农户及时用药防治麦田杂草。</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: rgb(255, 255, 255);"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-size: 19px;">防治指标：</span></strong></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: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">阔叶杂草密度达到</span>5株/平方米。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 35px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-size: 19px;">防治方法：</span></strong></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 35px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">防治阔叶类杂草可选用氯氟吡氧乙酸、双氟唑草酮、</span>2甲4氯钠、唑草酮、双氟磺草胺及其混配制剂等；</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 35px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 19px;">防治禾本科杂草可选用精噁唑禾草灵、啶磺草胺、氟唑磺隆、甲基二磺隆等；</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 35px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">对于混合发生的麦田可选用氯氟吡氧乙酸</span>+精噁唑禾草灵（或氟唑磺隆），氟唑磺隆+2甲4氯钠+双氟磺草胺等。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 35px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 19px;">禾本科杂草密度低或禾本科杂草防效不理想的，建议人工彻底拔除。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 35px; 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; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">为提高除草效果，减少除草剂使用量，可适当添加助剂，达到事半功倍。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 35px; font-family: 宋体; text-indent: 37px; white-space: normal; background-color: rgb(255, 255, 255);"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-size: 19px;">注意：</span></strong></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 35px; 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、应在</span><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">晴好无风或风力</span>3级以下天气</span><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 19px;">，</span><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">日气温在</span>10℃以上（低温不低于6℃）时</span><span style="margin: 0px; padding: 0px; font-size: 19px;">施药，避免对周围敏感作物造成药害；药械要专用。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 32px; font-family: 宋体; text-indent: 43px; white-space: normal; background: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">2、小麦拔节前进行防治，以免对下茬作物产生影响。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 32px; font-family: 宋体; text-indent: 43px; white-space: normal; background: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">3、加强肥水管理。及时浇水、合理施肥，增强植株抵抗力。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 32px; font-family: 宋体; text-indent: 43px; white-space: normal; background: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; font-size: 19px;">4、</span><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 19px;"><span style="margin: 0px; padding: 0px;">使用完毕的农药空包装要经过</span>3次充分清洗后带离田间，交回农药经销门市或村回收桶，避免污染环境。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-size: medium; color: rgb(34, 61, 124); line-height: 32px; font-family: 宋体; text-indent: 43px; white-space: normal; background: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; letter-spacing: 0px; font-size: 19px;"> <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></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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