protogyny相关论文
The effect of both male and female age was investigated on certain reproductive attributes, viz. mating incidence, matin......
青钱柳为典型的雌雄异型异熟树种,包括雌花先熟个体(雌先型,PG)和雄花先熟个体(雄先型,PA)两种交配型。同一交配型内雌雄花期错开......