摘要
选择自交结实的桃和自交不实苹果、梨为试材，对其雌雄蕊的ＰＯＤ活性、ＩＡＡ氧化酶活性和酚类物质含量等进行了分析。结果表明，自交结实的桃雄蕊的ＩＡＡ氧化酶活性和酚类物质含量显著地高于雌蕊；而自花不实的苹果、梨雄蕊的ＩＡＡ氧化酶活性和酚类物质含量显著地低于雌蕊。据此认为，果树的授粉结实特性可能与其雌雄蕊ＩＡＡ氧化酶活性的高低和酚类物质含量的多少有关，而且雄蕊的ＩＡＡ氧化酶活性和酚类物质含量高于雌蕊时，可能有利于自花结实。
TheactivityofPODandIAAoxidaseandphenolcontentsinselffruitfulpeach,selffruitfulessappleandpearpistilandstamenwereanalysed.TheresultshowedthattheIAAoxidaseactivityandphenolcontentsinpeachstamenwereincreasedmoresignificantlythanthoseofpistil.Fromthis,itcouldbeinferredthattheIAAoxidaseactivityandphenolcontentsinthestamenwerehigherthanthoseinthepistil,itmightbegoodtotheselffruitfulness.
