The economic characters include fruit yield, fruit weight, seed yield, kernel yield, oil yield and so on.
经济性状包括产果量、果重、出籽率、出仁率和出油率等性状。
In this paper, correlations and path analysis have been done between main characters and seed yield in 30 varieties (lines).
本文对30个品种(系)的主要性状与籽粒产量间进行了相关通径分析。
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。
Making use of the culture techniques to regulate the heading date and the pollen density are very important to increase the seed yield of the seed production in the hybrid rice.
利用栽培技术来调节花期和花粉密度，对提高制种产量有重要作用。
Making use of the culture techniques to regulate the heading date and the pollen density are very important to increase the seed yield of the seed production in the hybrid rice.
利用栽培技术来调节花期和花粉密度，对提高制种产量有重要作用。
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