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人工授粉是一种人为的辅助性授粉方法,近几年来在我师大面积推广。实践证明:人工授粉对梨和苹果座果率均比自然授粉座果率高,如梨树人工授粉比自然授粉的高10％左右。人工授粉还具有一定的防止大小年现象的作用,在果树遇到自然灾害如冻害等,可以起到一定的补救作用,对果树的稳产、高产,提高经济效益十分明显。现就人工授粉方法介绍如下:
Artificial pollination is a man-made auxiliary pollination method, in recent years a large area in my division to promote. Practice has proved that: Artificial pollination on pears and apples fruit rate than natural pollination fruit rate is high, such as artificial pear pollination than natural pollination by about 10%. Artificial pollination also has a certain role in preventing the phenomenon of size year in the fruit trees encountered natural disasters such as frost damage and so on, can play a role in remedial work, fruit trees stable, high yield and increase economic efficiency is very obvious. Now on the artificial pollination method is as follows: