三轮交配反应
Three-cycle spore-crossing test
高光效品种(种质)
High photosynthetic efficiency
品种间差异
Cultivar difference
varietal difference
cultivar variation
Genotypic difference
Difference among varieties
genotype dependent difference
品种间杂交
varietal crossing
interspecific hybrid
varieties hybridization
Hybridizing between varieties
intervarietal hybridization
intervarietal cross
Intraspecific crosses
品种间杂交稻
Interspecific hybrid rice