Life SciencesPlant BiologyPlant SciencesPlant AnatomyPlant MorphologyPlant PhysiologyEvolution Of FlowersFloral MorphologyFloral TraitsFlower DevelopmentFlower StructureFlowering PhysiologyFloral FertilityHybridization In Flower EvolutionPlant Hybridity
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Juvenile phase and growth of apple and pear seedlings
Juvenile period and precocity of apple and pear seedlings