摘要
杂交优势即两种遗传基础不同的植物或动物进行杂交,其杂交后代所表现出的各种性状均优于杂交双亲,比如抗逆性强、早熟高产、品质优良等。本文根据已有的研究报道,阐述了杂交优势的发现与发展以及人工选育三倍体杂交桑在经济和农艺上的优良特性,介绍了桑树杂交品种的选育方法以及F1代杂交组合在育种中的应用,为获得性状优良、品质上乘的杂交桑品种与其在农业生产中的利用提供借鉴。
The heterosis were hybridization of different genetic basis of plants or animals, various characteristics of the hybrid offspring exhibited are better than that of hybrid parents, such as strong resistance, early maturity, high yield, excellent quality etc. Based on existing research results, this paper elaborated the discovery and development of heterosis. And the excellent characteristics of artificial breeding of triploid hybrid mulberry in economic and agronomic, breeding method for hybrid varieties of mulberry and application of F1 generation hybridy in breeding, providing good references to obtain good properties, high quality of hybrid mulberry varieties and its to be applied in agricultural production.
出处
《蚕桑通报》
2015年第2期11-14,共4页
Bulletin of Sericulture
关键词
杂交优势
桑树
F1代杂交组和
选育标准
应用方向
heterosis
mulberry
F, hybrid combination
selection criteria
application direction
