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为了选出适于本省风土条件的优良鲜食桃和罐藏加工桃品种,从60年代开始,我所与浙江农业大学合作,对本省桃的品种资源进行了广泛的调查、收集和整理。70年代以来,进而从国内外广泛收集桃品种,同时繁殖本所获得的优良单系,进行观察鉴定,目的在于摸清这些品种在本省栽培地区的适应性及其利用价值。观察鉴定方法是自1970年开始在本所果园建立品种园,总面积31亩,系由水稻田改良而成,地势平坦,地下水位较高;土壤pH6.4,含有机质2.65％、全氮0.23％,全磷0.09％、全钾2.1％。从国内外收集品种、品系共计136个,均用毛
In order to select fine fresh peaches and canned and processed peach cultivars suitable for local conditions of our province, we cooperated with Zhejiang Agricultural University from the 1960s to conduct extensive survey, collection and arrangement of peach variety resources in our province. Since the 1970s, peach varieties have been extensively collected both domestically and abroad, and the excellent single lines obtained from this field have been propagated for observation and appraisal. The purpose is to find out the adaptability and utilization value of these varieties in the cultivation areas of this province. The method of observation and appraisal is that a variety garden has been established in orchard of our company since 1970. The total area is 31 mu, which is improved by the paddy field. The terrain is flat and has a high groundwater level. The soil pH is 6.4, containing 2.65% of organic matter and 0.23 of total nitrogen %, Total phosphorus 0.09%, total potassium 2.1%. From the collection of varieties at home and abroad, a total of 136 strains, both with hair