籼粳亚种间杂种优势
Inter-subspecific heterosis
水稻亚种间杂种
Rice intersubspecific hybrid
杂种优势比较
Hybrid heterosis comparison
杂种优势贡献力
contribution for heterosis
杂种优势群
Heterotic groups
Heterosis groups
Heterotic grouping
Heterotic population
genetic relationship
heterotic advantage groups
heterotic breeding groups
heterotic group
heterosis group