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枣树是多花树种 ,但受树体营养和环境条件的影响 ,落花落果现象十分严重 ,采收果率仅为 0 6%～ 2 6%。1 枣树坐果率低的原因1 1 树体营养状况 枣树从蕾期到花期正值枣吊、枣头发生及旺长阶段 ,造成相互营养竞争 ,使部分花蕾分化不良乃致败育造成坐果率低。1 2 枣树授粉
Jujube tree is a multi-flowering tree species, but under the influence of tree nutrition and environmental conditions, the phenomenon of falling flower and deciduous fruit is very serious. The harvesting rate is only 0.6% ~ 26%. 1 jujube fruit setting rate is low reason 1 1 tree nutritional status jujube from bud to flowering period of jujube hanging, jujube head and flourishing phase, resulting in mutual nutritional competition, so that part of the flower bud differentiation is caused by abortion fruit set Low rate. 1 2 jujube pollination