红蜘蛛综合防治技术解析
<span style="color: black;">↑ 点击上方“<span style="color: black;">园林郎中</span>”关注<span style="color: black;">咱们</span></span><p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">随着气温的<span style="color: black;">持续</span><span style="color: black;">上升</span>，园林病虫害越来越多。今天<span style="color: black;">博主</span><span style="color: black;">重点</span>给<span style="color: black;">大众</span>讲解的<span style="color: black;">便是</span>红蜘蛛的防治<span style="color: black;">办法</span>，<span style="color: black;">期盼</span>能给<span style="color: black;">伴侣</span>们带来<span style="color: black;">有些</span><span style="color: black;">帮忙</span>。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_jpg/gBdaaqKtnTkwGGJ5kRX4GKTMPibGfkJnujUPyLu2GhLdu4ianx5xKkszqk4ORqEGTspgzbH5XyeupPIOTmKJIgsg/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">红蜘蛛属于叶螨总科，<span style="color: black;">重点</span>有山楂叶螨、全爪螨、朱砂叶螨、针叶小爪螨、短须螨等。已<span style="color: black;">作为</span><span style="color: black;">害处</span>园林花卉树木的重要害虫之一。专门为害植物叶片、花朵，并且分布范围广，寄主非常<span style="color: black;">广泛</span>：<span style="color: black;">包含</span>草本、木本、果树以及盆景等。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">红蜘蛛的虫体非常小，仅针尖<span style="color: black;">体积</span>，不到1毫米，肉眼看仅为红色小点，<span style="color: black;">因为</span>体小<span style="color: black;">非常<span style="color: black;">不方便</span>于观察，发病初期常常会被<span style="color: black;">咱们</span>忽略，</span>一旦<span style="color: black;">发掘</span>其为害时，<span style="color: black;">常常</span>植物受害<span style="color: black;">已然</span>非常重了。<span style="color: black;">因此</span><span style="color: black;">咱们</span>必须<span style="color: black;">认识</span>它的<span style="color: black;">出现</span>规律及其特征<span style="color: black;">才可</span><span style="color: black;">即时</span>有效的进行防治，以减少对<span style="color: black;">咱们</span><span style="color: black;">导致</span>的经济损失。</p><span style="color: black;">1.<span style="color: black;"><span style="color: black;">出现</span>规律:</span></span>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">红蜘蛛<span style="color: black;">一辈子</span>要经过卵、幼虫、若虫和成虫四个<span style="color: black;">周期</span>，但不经过蛹。红蜘蛛养殖能力很强，<span style="color: black;">通常</span>一年可<span style="color: black;">出现</span>10代以上，每年3-4月<span style="color: black;">起始</span>为害，6-7月为害严重，在气温高、干旱、通风不良的<span style="color: black;">状况</span>下，红蜘蛛繁殖<span style="color: black;">极大</span>。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">红蜘蛛的传播蔓延除靠<span style="color: black;">自己</span>的爬行外，风、雨水及操作携带都是其传播的重要途经。<span style="color: black;">都数</span>红蜘蛛种类居于叶片下表面，<span style="color: black;">少许</span>活动在叶上表面。以雌成虫或卵在枝、干树皮缝或土缝中越冬。</span></p><span style="color: black;">2.<span style="color: black;"><span style="color: black;">害处</span>特征:</span></span>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">叶片呈“干糊状”：</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_jpg/gBdaaqKtnTkwGGJ5kRX4GKTMPibGfkJnusZy1joJLRqq0NRfPicdubTUksxWz5dvGIbyQAXRsHXhAgVJYWwwW1FA/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">重点</span>以若螨、成虫在叶背刺吸汁液，被害叶片叶绿素受到破坏，有铁锈色，叶片呈“干糊状”，手触摸易脆。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">害处</span>初期叶边缘向上卷翻：</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_jpg/gBdaaqKtnTkwGGJ5kRX4GKTMPibGfkJnugtm9ribWyDy3nMSngfuB0UVN9cBicxEbyKia8lawZ0FAMRdTVlDhYSz1A/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">初期叶片失绿，叶缘向上卷翻，<span style="color: black;">导致</span>焦枯、脱落，<span style="color: black;">导致</span>花蕾<span style="color: black;">初期</span>萎缩，严重时植株死亡。除直接使植物<span style="color: black;">显现</span>褪绿、黄点、褐斑、落叶等症状外，还可传播<span style="color: black;">各样</span>病原体，<span style="color: black;">导致</span>其他病毒病。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">同期</span><span style="color: black;">咱们</span>还要<span style="color: black;">晓得</span>，螨类的唾液是毒素，常常会<span style="color: black;">引起</span>植物生长部位的坏死。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">生长部位坏死：</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_jpg/gBdaaqKtnTkwGGJ5kRX4GKTMPibGfkJnuKhZag5Re5orKvZHunp2EluDWQ1jd0fS9fd6UrcUbjztgcLGIxQCm7Q/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p><span style="color: black;">3.<span style="color: black;"><span style="color: black;">害处</span>时间:</span></span>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">红蛛蜘繁殖能力很强，最快约5天，就可繁殖一代，此虫<span style="color: black;">爱好</span>高温干燥环境，<span style="color: black;">因此呢</span>，在高温干旱的气候<span style="color: black;">要求</span>下，繁殖<span style="color: black;">快速</span>，<span style="color: black;">害处</span>严重。3~4月份<span style="color: black;">起始</span><span style="color: black;">害处</span>，<span style="color: black;">6月下旬到7月上旬红蜘蛛<span style="color: black;">害处</span>最为严重，</span>先在叶片背面主脉两侧为害，从若干个小群<span style="color: black;">逐步</span>遍布<span style="color: black;">全部</span>叶片。常使全树叶片枯黄泛白。7至8月是全年的<span style="color: black;">出现</span>高峰期 。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">红蜘蛛<span style="color: black;">害处</span>毛杜鹃：</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_jpg/gBdaaqKtnTkwGGJ5kRX4GKTMPibGfkJnuJicC4118e2oLWMob1oiaFO1QvRv9tY7Evun7ib9coLU0KyZ43cwnHjgWg/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">防治红蜘蛛<span style="color: black;">害处</span>，平时应<span style="color: black;">重视</span>观察，<span style="color: black;">发掘</span>叶片颜色<span style="color: black;">反常</span>时，<span style="color: black;">尤其</span>是叶片有灰黄色斑点时，应仔细<span style="color: black;">检测</span>叶背，个别叶片受害，可摘除虫叶;<span style="color: black;"><span style="color: black;">发掘</span>较多红蜘蛛大面积<span style="color: black;">害处</span>时，要用化学药剂及早防治。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">咱们</span>要<span style="color: black;">晓得</span>：防治<span style="color: black;">初期</span><span style="color: black;">害处</span>，是<span style="color: black;">掌控</span>后期虫害猖獗的关键。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">综合防治技术：</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">1、园林栽培技术管理与调控经常做好清园工作，全面清除杂草枯枝落叶。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">2、对花圃地，要勤除杂草，销毁残株落叶，以便消灭越冬虫口。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">3、<span style="color: black;">守护</span>利用天敌。<span style="color: black;">重点</span>有深点食螨瓢虫、束管食螨瓢虫、异色瓢虫、草蛉、小花蝽、植绥螨等。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">4、药剂防治</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"> <span style="color: black;">意见</span>用“<span style="color: black;">红刀</span>”800~1000倍液<span style="color: black;">或</span>“<span style="color: black;">乙螨唑</span>”2000倍液<span style="color: black;">或</span><span style="color: black;">“<span style="color: black;">霸碎</span></span><span style="color: black;">”800倍液</span>喷雾防治。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">5、<span style="color: black;">把握</span>好时间：</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"> 3-4月份，喷一次药，不需要喷树冠，喷树的下边。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"> 5月份喷一次药，喷的部位要靠上。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"> 5月-6月上中旬，喷一次药。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"> 7月~8月份<span style="color: black;">按照</span>红蜘蛛<span style="color: black;">出现</span><span style="color: black;">状况</span>相应<span style="color: black;">调节</span>喷药次数。</p><span style="color: black;"><span style="color: black;">博主</span>闲谈</span>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"> <img src="https://mmbiz.qpic.cn/mmbiz_gif/gBdaaqKtnTkwGGJ5kRX4GKTMPibGfkJnupnHicNXoWuCsSHmEuBu6P5ycs9VRnpibkrpcT4YwqajiaMyKF0dgia3Z4A/640?tp=webp&wxfrom=5&wx_lazy=1" style="width: 50%; margin-bottom: 20px;"><span style="color: black;">咱们</span>需要<span style="color: black;">重视</span>的是：</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"> 高温干旱，</span><span style="color: black;">适宜生长。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"> 6月份之前是</span><span style="color: black;">防治的关键时期。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">我是园林郎中，<span style="color: black;">大众</span><span style="color: black;">能够</span>关注我，<span style="color: black;">每日</span>为<span style="color: black;">大众</span>更新园林养护技术知识，以及关于植物的小<span style="color: black;">奥密</span>！</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">往期<span style="color: black;">精彩</span>回顾</p><a style="color: black;">春天，地下害虫防治刻不容缓</a><a style="color: black;">蛀干害虫天牛<span style="color: black;">怎样</span>防治</a><a style="color: black;">草履蚧大面积爆发，防治工作不容懈怠！</a>
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