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西藏农业科学研究所油料组近三年来试种越冬油菜初步获得成功。供试的冬油菜系从山西农科院引进,原名为汾阳冬油菜,属冬性白菜型品种,春播绝大部分植株不能开花结实。汾阳冬油菜在拉萨能安全越冬,生长良好。据今年考种结果,株高64.1公分,大分枝数9.7枚,单株角果数949.37个,果粒数17.13粒,千粒重3.55克,含油量44％,折算平均亩产量为450.4斤,九月一日的播期处理折算亩产量还高达758.5斤。试验于一九七七年九月初播种,今年七月中旬收获,全生育期317天左右。栽培要点:(1)、适期播种,拉萨适宜播期是在9月上中旬;(2)、适当密
Tibetan Oil Research Institute of Agricultural Sciences in the past three years, the trial of winter rape preliminary success. The test of winter rapeseed was introduced from Shanxi Academy of Agricultural Sciences, formerly known as Fenyang winter rape, is a winter cabbage-type varieties, most of the spring plant can not flowering. Fenyang winter rape can safely wintering in Lhasa, good growth. According to the test results this year, the plant height of 64.1 cm, the number of large branches 9.7 pieces, the number of single fruit per plant 949.37, the number of fruit 17.13, 1000 grain weight 3.55 grams, 44% oil content, converted average yield per mu 450.4 kg, September The sowing date conversion sowing per acre yield is as high as 758.5 pounds. The trial was sown in early September 1977 and harvested in mid July this year. The whole growth period is about 317 days. Cultivation points: (1), suitable for sowing, suitable for sowing in Lhasa in mid-September; (2), the appropriate density