The results showed that the pollen vitality was lower and less than 40 percent generally,and the self-fruitiful rate was less than 20 percent because of part-self-imcompatibility.

• 结果表明，李品种花粉活力普遍较低，一般不超过40%25；李品种存在明显的部分自交不亲和现象，自花授粉结实率最高不足20%25。