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柿树落花落果严重,往往满树花半树果或满树花不见果。其落花落果机理是花朵或幼果中促进型激素缺乏,或枝条内有机养分不足,致使果柄与果蒂间产生离层,具体原因有:①花芽分化质量差,花器不健全;②授粉受精不良,除了能单性结实的品种自身含有足量的促进型激素外,不能单性结实的品种必须经过外来花粉而增加激素含量,才能确保果实
Persimmon flowers fall and fall severely, often full of trees, half fruit trees or trees without fruit. The mechanism of flower drop is the lack of promoting hormone in flower or young fruit, or insufficient organic nutrient in branches, resulting in the separation of fruit stem and fruit stem. The specific reasons include: poor quality of flower bud differentiation and poor flower arrangement; pollination and fertilization Poor, in addition to the species can be parthenocarpic strong enough to contain their own type of promoting hormone, can not be parthenocarpic varieties have to go through foreign pollen and increase the hormone content in order to ensure the fruit