摘要
重点分析了冬瓜主要农艺性状的杂种优势遗传趋势和杂种一代与其亲本性状的相关性。结果表明 :杂种一代的单瓜重、横径、瓜肉致密性分别表现为正向超亲优势、负向超亲遗传、负向不完全显性 ;瓜长度、瓜形指数、抗病性与其父本的相关系数达显著 (或极显著 )水平 ,且表现不完全显性遗传 ;果实固形物含量与其父本的相关系数 ,以及肉厚与其双亲的相关系数均达显著水平 。
The inherited tendency of heterosis of main agronomic characters in wax gourd and the correlation of characters between F 1 and parents were analysed. The results indicated that fruit weight, fruit width and flesh density expressed positive heterobeltiosis, negative transgressive inheritance and negative incomplete dominance respectively, that the fruit length, fruit shape index and virosis resistance were significantly positive correlation between F 1 and male parent, and expressed incomplete dominant inheritance ,and that the content of solids and the flesh thickness expressed positive transgressive inheritance ,and the former correlation coefficient between F 1 and male parent and the latter correlation coefficient between F 1 and parents all attained significance levels.
出处
《上海农业学报》
CSCD
2003年第2期35-37,共3页
Acta Agriculturae Shanghai
基金
广东省科技攻关项目 ( 2 0 0 2A2 0 70 10 2 )资助
