Heterosis of seed yield and its components of 66 crosses, from a diallel cross design of 12 parental varieties of Brassica napus L. were studied.
应用双列杂交设计，研究了遗传来源不同的12个甘蓝型油菜品种间66个双列组合的单株籽粒产量及产量性状的杂种优势。
Oilseed rape (Brassica napus L.), whose seed color usually includes yellow, brown and black, is one of the most important oilseed crops in the world.
甘蓝型油菜是世界上最重要的油料作物之一，其籽粒色泽包括黄色、褐色、黑色等。
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