breeding objective

基本解釋

Their parents were chosen seriously on the basis of breeding objective.
其親本的選配是嚴(yán)格地根據(jù)育種目標(biāo)而定的；
Super rice (Oryza sativa L. ) was proposed as a new breeding objective in 1996, after breeding for dwarfs and the others, using hybrid heterosis.
超級(jí)稻是我國(guó)在矮化育種和雜交稻應(yīng)用之后于1996年提出的新育種目標(biāo)。
Yield as a major breeding objective in rice, is directly influenced by the yield-component traits including the number of productive tillers per plant, grains per panicle and 1000-grain weight.
水稻產(chǎn)量作為主要的育種目標(biāo)性狀，直接受到每穗實(shí)粒數(shù)、千粒重和單株有效分蘗數(shù)等產(chǎn)量構(gòu)成因子的影響。