甘蓝型黄籽杂交油菜新品种渝黄1号的选育

渝黄1号是西南农业大学农学系油菜研究室采用化学杀雄配制的甘蓝型黄籽杂交油菜新品种,经重庆市多点区域试验、生产试验和长江流域各省、市、区示范,表现出综合性状好、产量高、出油率高、油清澈透明、抗（耐）病害、熟期适中等特征。重庆市区试两年平均产量1888.65kg/hm^2,比对照中油821增产20.97%,生产试验平均产量1836.75kg/hm^2,比对照中油821增产14.39%,生产示范最高产量达3214.50kg/hm^2。2001年5月通过重庆市农作物品种审定委员会审定。

BREEDING OF "YUHUANG 1" - A NEW YELLOW- SEEDED HYBRID CULTEVAR OF RAPE ( BRASSICA NAPUS L.)

Yuhuang 1", a new yellow-seeded hybrid cultivar of rape (Brassica napus) , developed by the Oil Crop Laboratory of Southwest Agricultural University by application of a chemical gametocide in hybridization, stood out for its good comprehensive traits, high grain yield and oil yield, clearness of its oil, resistance/tolerance to diseases and desirable maturation date in multi-locational regional tests and production tests in Chongqing and in demonstration experiments in various provinces along the Changjiang River. Its yield in the two-year regional tests in Chongqing averaged 1888.65 kg/ha, a 20.97% increase over the control cultivar (Zhongyou 821). In the production test, its average yield was 1836.75 kg/ha, 14.3% higher than that of Zhongyou 821. Its maximum yield was as high as 3214.50 kg/ha in the demonstration experiments. In May, 2001, the Crop Examination and Approval Committee of Chongqing approved its registration and released it as a cultivar for recommendation.