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梨为浙江主要果树之一,栽培历史悠久,经济价值较高,适应性强,分布范围广,其中产量较多是建德,桐庐的严州雪梨和义乌的三花梨等品种。建国以来新发展的梨园多以日本梨品种为主。本调查于1980—1983年在临安浙江林学院果园进行,果园位于杭州西北,年平均温度15.7℃,年平均降水量1400毫米左右。调查对象为品种园和生产园的26个品种。调查内容主要是开花物候期和果实的主要经济性状。现将调查结果分述如下:
Pear is one of the major fruit trees in Zhejiang Province. It has a long history of cultivation, high economic value, strong adaptability and wide distribution range. The output of pear is more than that of Jiande, Tongzhou, Yanzhou and Yanwu. Since the founding of the newly developed pear orchard mostly Japanese pear varieties. The survey was conducted in the Orchard of Zhejiang Forestry College in Lin’an in 1980-1983. The orchard is located in the northwest of Hangzhou with annual average temperature of 15.7 ℃ and annual average precipitation of 1400 mm. The survey was conducted on 26 varieties of varieties and production parks. The main content of the survey is the main economic traits of flowering phenology and fruit. Now the survey results are as follows: