文献类型： 外文期刊
第一作者： Yan, LY
作者： Yan, LY;Zhang, XZ;Liu, GJ
作者机构：
期刊名称：JOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY （ 影响因子：1.641； 五年影响因子：1.616 ）
ISSN：
年卷期：
页码：
收录情况： SCI
摘要： The botanical, biological characters, male meiosis and offspring chromosome numbers of a haploid Capsicum annuum L. were observed. There were some differences in botanical and biological characters between the haploid and the diploid. In the haploid, natural chromosome doubling occurred due to unreduced eggs, 0.127 seeds per fruit developed, and all five offspring seedlings were restored to diploidy. At meiotic pachytene, a pseudosynaptic structure occurred. During male meiosis of the haploid, 14.2% dyads were observed, which was through the first division restitution mechanism, and 9.8% unreduced viable pollen was collected. The results would have considerable importance in the study of the occurrence and cytogenetic mechanism of 2n gametes; in the evaluation of the effects of hapoidy on plant evolution or breeding, nd in studies on chromosome recognition and pairing.
分类号： S6
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