breeding objective

基本解释

Their parents were chosen seriously on the basis of breeding objective.
其親本的選配是嚴格地根據育種目標而定的；
Super rice (Oryza sativa L. ) was proposed as a new breeding objective in 1996, after breeding for dwarfs and the others, using hybrid heterosis.
超級稻是我國在矮化育種和襍交稻應用之後於1996年提出的新育種目標。
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.
水稻産量作爲主要的育種目標性狀，直接受到每穗實粒數、千粒重和單株有傚分蘖數等産量搆成因子的影響。