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以74—1枳、紫花宜昌橙、Rusk枳橙、香橙、Troyer积橙、江南柑、92号红桔和蟹橙为标准系列砧木,研究了它们的解剖学特征,从中筛选了根皮率、根导管总面积、栅海比、叶气孔密度4个砧木矮化预选指标和皮率、木质率、根导管密度、叶主脉导管数4个辅助预选指标.利用这些指标,可把31种砧木分为矮化砧、半矮化砧、半乔化砧与乔化砧4类.
The rootstocks with 74-1 trifoliate orange, purple Yichang orange, Rusk orange, orange, Troyer orange, Jiangnan orange, 92 orange and crab orange were selected to study their anatomical characteristics. , The total area of root canal, the ratio of stomatal ratio and leaf stomatal density, four auxiliary pre-selection indices of dwarfing stock, wood percentage, root canal density, Rootstock is divided into dwarfing anvil, semi-dwarfing anvil, semi-Qiao and QIAO anvil four kinds of anvil.