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越冬或早春保护地栽培西葫芦时,容易出现落花、落果现象,俗称化瓜。一、化瓜的原因1.花粉发育不良或不授粉由于冬季和早春温度低,大棚湿度过高.而西葫芦为异花授粉作物,在低温高湿情况下,花粉发育不良,而且
Winter or early spring protective cultivation of zucchini, prone to falling, falling fruit phenomenon, commonly known as melon. First, the melon causes 1. pollen dysplasia or not polluting due to low temperatures in winter and early spring, greenhouse humidity is too high, while the squash is cross-pollinated crops, in the case of low temperature and humidity, pollen dysplasia, and