（1）组合育种(combination breeding) 是将分属于不同品种的、控制不同性状的优良基因随机结合后形成各种不同的基因组合，通过定向选择育成集双亲优点于一体的新品种。
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...复合育种 [gap=575]ds: orchids; tissue culture; physically-induced and chemically-induced mutation; combination breeding ...
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...的培育选择，经比较鉴定 后，获得遗传性相对稳定的新品种—定型品种，称为有性杂 交育种，也称为重组育种(combination breeding)，是广泛 采用的卓有成效的途径。
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Through analysis of primary resonance, superharmonic resonance and combination resonance, and therefore some frequency phenomena in laser breeding are explained.
并进行了主共振、超谐波共振及组合共振的分析，从而进一步解释了激光育种中的频率现象。
The ratio of polyploid produced was 87. 5 %, which has shown that crossing combination between Dayali and Pingguoli has special value in pear polyploid breeding.
多倍体出现率为87．5％，表明大鸭梨与苹果梨杂交组合在多倍体育种中具有特殊价值。
Following anther culture method a new method of wheat haploid breeding which is established on combination of conventional breeding with biotechniques is first introduced into readers in this paper.
本文首次继花药培养法之后向读者介绍另一种以常规育种与生物技术手段相结合的小麦单倍-二倍化育种方法。
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