设施樱桃坐果设施樱桃开花不坐果主要有以下三方面原因:一是樱桃花期设施内温度过高,花粉管活力下降,存活时间显著缩短,大部分花没有授粉就落了,造成只开花不坐果。二是前期管理不到位,樱桃花芽分化不好,花粉发育不全或畸形,花粉量少,也是造成开花不坐果的一个原因。三是由于棚内樱桃需冷量不够,樱桃花期相差较 Facilities Cherry fruit setting facilities Cherry flowering does not produce fruit mainly for the following three reasons: First, cherry flowering facilities in the temperature is too high, pollen tube vitality decreased significantly shorter survival time, most of the flowers fell without pollination, resulting in flowering does not sit fruit. Second, pre-management is not in place, cherry flower bud differentiation is poor, pollen hypoplasia or deformity, less pollen, but also contributed to the flowering is not a reason for fruit. Third, due to shed cold to be cold enough, cherry flowering difference