应用气孔性状对苹果与梨的倍性判别分析Discrim inant Analyses of Stom ata Characters for Identifying the Polyploidy of Apple and Pear Varieties
李赟,石荫坪,束怀瑞,赵智中,郑红军
摘要(Abstract):
以苹果和梨的二倍体和多倍体为试材,比较了气孔保卫细胞叶绿体数目、气孔密度、气孔长和气孔宽四个性状与倍性的关系,分析各个性状用于倍性鉴定的可靠性,并采用两类性状同时进行判别分析,建立判别分析方程。结果表明,叶绿体数目和气孔长鉴定倍性的可靠性较高,其中,苹果气孔长误判率最低,为6.67 % ;梨气孔保卫细胞叶绿体数目误判率最低,为12.5 % 。如以这两个性状进行判别分析,苹果判别方程鉴定倍性的可靠性与以气孔长鉴定倍性的可靠性相似,梨的判别方程可大大提高鉴定的可靠性
关键词(KeyWords): 果树多倍体;苹果;梨;气孔性状;倍性鉴定;判别分析
基金项目(Foundation):
作者(Author): 李赟,石荫坪,束怀瑞,赵智中,郑红军
Email:
DOI: 10.13925/j.cnki.gsxb.1999.01.004
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