Utilization of crop heterosis: a review

被引：137

作者：

Fu, Donghui ^{[1
]}

Xiao, Meili ^{[2
]}

Hayward, Alice ^{[3
]}

Fu, Ying ^{[2
]}

Liu, Gui ^{[1
]}

Jiang, Guanjie ^{[4
]}

Zhang, Haihuan ^{[1
]}

机构：

[1] Jiangxi Agr Univ, Agron Coll, Minist Educ, Key Lab Crop Physiol Ecol & Genet Breeding, Nanchang 330045, Peoples R China

[2] Southwest Univ, Coll Agron & Biotechnol, Chongqing Engn Res Ctr Rapeseed, Chongqing 400716, Peoples R China

[3] Chinese Acad Sci, South China Bot Garden, Key Lab Plant Resources Conservat & Sustainable U, Guangzhou, Guangdong, Peoples R China

[4] Jiangxi Agr Univ, Coll Land Resources & Environm, Nanchang 330045, Peoples R China

来源：

EUPHYTICA | 2014年 / 197卷 / 02期

关键词：

Crop heterosis; Heterosis; Heterotic group; Wide hybridization; Polyploidy; Pollination-control systems; BRASSICA-NAPUS L; MAIZE INBRED LINES; POPULATION-STRUCTURE; MOLECULAR-BASIS; LINKAGE DISEQUILIBRIUM; GENETIC DISTANCES; HYBRID STERILITY; YIELD; RICE; WINTER;

D O I：

10.1007/s10681-014-1103-7

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Heterosis (or hybrid vigor) is a natural phenomenon whereby hybrid offspring of genetically diverse individuals display improved physical and functional characteristics relative to their parents. Heterosis has been increasingly applied in crop production for nearly a century, with the aim of developing more vigorous, higher yielding and better performing cultivars. In this review we present and compare three categories of crop heterosis utilization: intraspecific heterosis, intersubspecific heterosis and wide-hybridization heterosis, with particular focus on polyploid species. Different pollination-control systems used to breed for heterosis are also comparatively analyzed. Finally, we highlight problems involved in heterosis research and crop improvement. We aim to provide insight into best practices for amplifying heterosis potential.

引用

页码：161 / 173

页数：13

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