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一、华中地区葡萄育种的方向和任务: 华中的气候以武汉为例,一股是春季和夏初多雨,从4—7月降雨量占全年3/4以上(全年总降雨量是1355.1mm)。春季寒暖无常,温度变化极大,当寒潮和风雨来临时,温度常降到零度以下,而天晴气朗时,温度可升至20℃以上。仲夏以后,天气炎热干燥,最高温度可达40℃上下。冬季比较温暖,絕对低温很少能达—10℃(1955年例外)。冬
I. Directions and Tasks of Grape Breeding in Central China: The climate in Central China uses Wuhan as an example. It is rainy in spring and early summer, with rainfall accounting for more than 3/4 of the whole year in April-July (total annual rainfall is 1355.1 mm). In spring, the temperature is very variable. When the cold wave and the storm comes, the temperature often drops below zero. When the weather is sunny, the temperature can rise above 20 ℃. After Midsummer, the weather is hot and dry, the maximum temperature up to 40 ℃. Winter is relatively warm, the absolute low temperature rarely reach - 10 ℃ (1955 exception). winter