最近,好些果农反映:红蜘蛛发生为害严重,喷药防治效果又不佳。笔者就此向果农提几点建议。 今年自3月份以来,一直未下好雨,尤其是6月份以来的特殊高温,为红蜘蛛创造了十分有利的条件,使其为害更加猖獗,分析红蜘蛛防效差的原因。一是喷药 Recently, some farmers reported that spider mites were severely devastated and the effect of spraying was poor. This author made a few suggestions to growers. Since March this year, there has been no rain, especially since the special high temperature since June, which has created very favorable conditions for red spiders to make the damage more rampant and analyze the causes of the red spider’s poor efficacy. First, spray medicine