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breeding by backcrossing
释义
breeding by backcrossing
Encyclopedia
农学
回交育种
释
breeding by backcrossing
回交育种
两个品种杂交后,杂交一代(F1代)植株作母本再和双亲之一重复杂交(回交),从回交后代中选择单株作母本再与该亲本回交,如此进行若干次直至获得目标单株,经株系鉴定和比较试验后育成新品种的方法。
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completely join-stable
completely lattice-stable
completely meet-irreducible element
completely meet-stable
completely mixed game
completely mixed strategy
completely modular lattice
completely monotone
completely monotone function
completely monotone sequence
completely monotonic
completely monotonic function
completely monotonic sequence
completely multiple value
completely multiplicative
completely multiplicative class
completely multiplicative function
completely nonunitary
completely nonunitary operator
completely nonunitary semigroup
completely normal space
completely observable system
completely ordered set
Completely Orthogonal Photographic Cartography
completely parallelizable manifold
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