冬季休眠的好坏,影响着葡萄次年的花芽分化、萌动抽枝等。1998年冬季我市旬气温比常年约高2℃,不利于葡萄植株休眠(需10℃以下气温10天以上),加上1999年春夏之交降雨频繁,造成病害加重,导致葡萄产量和品质下降。1　暖冬对葡萄的影响　①物候期。据田间观察,1999年葡萄见绿发青 Winter sleep is good or bad, affecting the grape next year’s flower bud differentiation, sprouting shoots and so on. In the winter of 1998, the temperature in the city was about 2 ℃ higher than usual in the past ten days, which was not conducive to the dormancy of grape plants (temperatures above 10 ℃ for more than 10 days). Coupled with the frequent rainfall in spring and summer of 1999, the diseases were aggravated, leading to the grape yield and quality decline. A warm winter on the grape ① phenology period. According to field observations, in 1999 the green see green hair