近年因“暖冬”问题突出，造成云南省砀山酥梨春天开花少而不整齐，产量大幅度下降，品质劣变。近３０年来，许多学者对落叶果树冬季低温量不足的问题进行了探索，有关国家和地区已成功地实现了用人工措施代替冬季低温。为寻求打破砀山酥梨花芽休眠的确切低温量，笔者进行了本 In recent years due to the “warm winter” outstanding problems, resulting in Yunnan Dangshan pear blossom in spring less and less tidy, a substantial decline in output, quality deterioration. In the recent 30 years, many scholars have explored the problem of low temperature in deciduous fruit trees in winter, and the relevant countries and regions have successfully replaced the low temperature in winter with artificial measures. In order to seek to break the Dangshan Pear bud flower buds the exact temperature, I conducted this