利用游离小孢子培养技术获得单倍体，所获纯合系在育种上有较高利用价值。
We obtain haploid by isolated microspore culture, and the pure-line is very useful in Purple Flowering Stalks breeding.
但因光a纯合态的低衣分，其亲本繁殖和杂交制种时皮棉产量降低，故光a不育系在杂种优势中的利用有优势又有劣势。
However, Guang a has disadvantages as well as advantages in the utilization of heterosis because of its low lint percentage in parent propagation and hybrid seed production.
对甘蓝型油菜隐性上位细胞核雄性不育纯合两型系、临保系和全不育系的转育方法进行了介绍。
The paper introduces the breeding methods of the homozygous two-type line, temporary maintainer line and complete sterile line with a recessive epistasis nuclear male sterile.
目的：检测新培育的HL C近交系的基因纯合性。
Aim: To examine the genetic homozygosis of the HLC inbred mouse.
目的：检测新培育的HL C近交系的基因纯合性。
Aim: To examine the genetic homozygosis of the HLC inbred mouse.
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