1选择适宜的授粉品种黄金梨存在着花粉直感现象,即用雪花梨授粉的黄金梨幼果萼片多数不脱落,且果形变长,果实形状为长圆形;而用绿宝石、丰水、圆黄等品种授粉的黄金梨幼果萼片多数脱落。因此在进行人工授粉或配置授粉树时,除考虑授粉树的花期、花粉量、亲和力等因素外,还要考虑花萼宿存等因素对果实外形的影响,注意选择综合性状优良的授粉品种。在 1 Select the appropriate varieties of pollination pear pollen there is the phenomenon of direct sense of pollen, that is, with pear pollination honey pear sepals do not fall off the majority, and the fruit becomes long, the shape of the fruit is oblong; and with emerald, water, round Huang and other varieties of pear pollen pollination sepals young off most. Therefore, pollination trees should be pollinated by artificial pollination or pollination trees. In addition to pollen amount, affinity and other factors, the effects of calyx persistence and other factors on the shape of the fruit should also be considered. Pollen varieties with good comprehensive characters should be selected. in