菜豆夏季栽培 ,落花落荚比较普遍 ,结荚率一般只有 2 0 %～ 3 0 %,多者不超过 4 0 %～50 %,严重地影响了产量。究其原因 ,主要是菜豆开花期间 ,高温多湿 ,雨水多 ,光照弱 ,易落花落荚。此外 ,还因管理不当 ,引起落花落荚。针对以上情况 ,我们采取以下综合防治措施。1 .恰当选地 Cultivation summer beans, falling pea pods are more common, pod rate is generally only 20% ~ 30%, more than 40% to 50%, seriously affecting the yield. The reason is mainly during the flowering beans, high temperature and humidity, rain and more light is weak, easy to fall flowers pod. In addition, due to mismanagement, causing falling. In view of the above situation, we take the following comprehensive prevention and control measures. 1. Proper selection