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一、选育經过浙油1号原系号为“朝阳652”,系浙江农业科学院作物育种栽培研究所从“朝阳油菜”(1957年度从湖北引入)中系統选育而成。1958年度(指1957年种,1958年收,下同)引入品种都遭受不同程度的冻害,特別在晚播情况下冻害更加严重。在生育后期和收获前从中选取抗寒力特別强、經济性状又較好的优良单株参加选种圃。在1959和1960两年度的选种圃中,“朝阳652”表现較好;1961年度因故白菜型油菜的选种工作暫停,故1962年度
First, the breeding After the Zhejiang oil on the 1st line number “Chaoyang 652”, Zhejiang Academy of Agricultural Sciences Crop Breeding and Cultivation Institute from “Chaoyang Rape” (introduced from Hubei in 1957) in the system of breeding. The species introduced in 1958 (referred to as the 1957 species, 1958, the same below) suffered various degrees of frost damage, especially in the late-season conditions. In the late growth period and before harvest, the selection of special cold hardiness, good economic performance and good individual plants to participate in the selection of nursery. In the selection of nurseries in the two years 1959 and 1960, “Chaoyang 652” performed better; in 1961, due to the suspension of the selection of cabbage rape, the year 1962