文献类型： 外文期刊

作者： Yan, LY ¹ ; Zhang, XZ ² ; Liu, GJ ² ;

作者机构： 1.Hebei Agro Tech Teachers Coll, Dept Agron, Changli 066600, Peoples R China

2.Hebei Agro Tech Teachers Coll, Dept Agron, Changli 066600, Peoples R China; Hebei Acad Agr & Forestry Sci, Changli Inst Pomol, Changli 066600, Peoples R China

期刊名称：JOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY （ 影响因子：1.641； 五年影响因子：1.616 ）

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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.