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板栗空棚的原因主要有:板栗是典型的异花授粉结实率高的树种,同一品种(或同一类型)的板栗相互授粉,其空棚率在80%以上;一些品种存在花器发育不完全特点,也影响正常授粉,造成空棚;树冠郁闭,风
Chestnut empty shed are mainly due to: Chestnut is a typical cross-pollination seed setting rate of high species, the same species (or the same type) of chestnut mutual pollination, the shed rate of more than 80%; some varieties of flowers with incomplete development , Also affect the normal pollination, resulting in empty shed; crown closed, the wind