为苹果和梨树进行人工授粉,过去都是采取固体花粉点授的方法,费工多、进度慢、漏授多。近年来,有些果园试用液体花粉喷授新技术,不仅喷布周到,授粉率高,而且工效一下子提高了五六倍。现将苹果梨树液体授粉的具体作法介绍如下:(一)筛取花粉。在果树上部花朵露辦初期,将过密的花朵摘下,放在太阳下晒干 Artificial pollination of apples and pear trees, in the past are taken to pollinate solid pollination method, more work, slow progress, missed many. In recent years, some of the orchard test liquid pollen spray new technology, not only sprayed thoughtful, pollination rate, and ergonomics suddenly increased five or six times. Now the specific practices of apple pear liquid pollination are described as follows: (a) sieve pollen. Early flowers in the upper part of the fruit trees exposed, the over-dense flowers off, placed in the sun and dried