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杏树花期人工授粉的效果在杏树生产中，因其杏树本身的特性，存在着许多不利于丰产的因素，如花有雌蕊败育现象，完全花比例一般仅０一７０％，这是杏树座果率低的－个主要原因：杏树开花期早，极易遭遇春季寒流的袭击，因而造成花期低温冻害，乃至影响蜜蜂的授粉活动；杏...
Apricot flower artificial pollination effect In the production of apricot, apricot because of its own characteristics, there are many factors that are not conducive to high yield, such as flower pistil abortion phenomenon, the proportion of complete flowers is generally only 0-70%, which is apricot Tree fruit rate is low - a main reason: early flowering apricot tree, vulnerable to the impact of the spring cold flow, resulting in low temperature frost damage, and even affect the bee pollination; apricot ...