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embryo abortion
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embryo abortion
Encyclopedia
农学
〔杂交育种性状〕
释
embryo abortion
胚败育
狭义的胚败育指果树作物完成授粉受精后,由遗传决定的合子幼胚发育过程中出现停滞或死亡,未能形成成熟胚的生殖异常现象。广义的胚败育指果树作物的胚发育异常,未能形成可育种子胚的生殖现象。
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bounded above set
bounded approximation
bounded approximation property
bounded arithmetic
bounded basis
bounded below
bounded below complex
bounded below filtration
bounded below operator
bounded below sequence
bounded below set
bounded bilinear form
bounded body
bounded chain
bounded characteristic
bounded closed set
bounded closure
bounded cohomology
bounded complete statistic
bounded complete sufficient statistic
bounded complex
bounded convergence
bounded convergence theorem
bounded convergence topology
bounded curvature
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