Why Red Spider Mites Keep Coming Back After Spraying
Learn how red spider mites survive by dormancy and hiding in soil, plus the right spray timing and frequency to control populations effectively.
Transcript
[SPEAKER_00] 你知道吗 其实母红蜘蛛在环境不适合时并不会死掉 而是进入类似冬眠的状态 一旦温度和环境恢复 就会马上苏醒继续繁殖 这也是为什么红蜘蛛总让人觉得杀不完 更麻烦的是 它们遇到危险时还会躲进土壤里 所以喷洒时 叶面和泥土都一定要顾到 红蜘蛛的繁殖速度非常惊人 在30摄氏度以上 只需6到7天就能从卵变成成虫 一只母虫一次可产75到130粒卵 就算杀掉成虫 卵还是会继续孵化 只要延迟一个星期处理 数量就可能暴增到上百万只 喷药当然有效 但关键不是一直换农药硬杀 长期依赖农药反而容易产生抗药性 正确的做法是在成虫爆发前 先把幼虫和卵压下去 最理想的喷药频率是一星期一到二次 选择早上或下午三点后红蜘蛛较活跃的时段 并避开大热天 效果更好也更安全 像Mr.Ganick Ultimite 含有豆科植物萃取的生物碱 不是立即毒死 而是让红蜘蛛的呼吸肌肉逐渐凝固 慢慢死亡 记住 用对产品 用对方法 持续管理 才能真正把红蜘蛛数量压下来 Mr.Ganick有机先生 保护作物土地 保护农民健���
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