西瓜杂种优势育种与杂交亲本选配

Heterosis Breeding and Hybridization Parent Selection of Watermelon

西瓜育种包括自交系选育和杂种优势利用2个主要内容。对西瓜自交系选育与杂优品种选配的异同点进行了阐述,分析了影响西瓜杂种优势的4个主要因素,提出了明确目标性状、亲本的质量性状及其对数、亲本优良目标数量性状累加、选用一般配合力高的亲本等杂交亲本的选配原则。

Watermelon breeding included two main components,that was inbred lines selection and heterosis utilization.The similarities and differences of watermelon inbred breeding and hybrid varieties were described.The effects of four main factors on watermelon heterosis were analyzed,the selection principal which were clearly matching the principle of hybrid parents target character,their parent quality traits or pairs,cumulative target quantitative trait gene of the parents,and use a high general combining ability parents cvene stated.