The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties (strain) and 4 staminiferous plant type single clone.

摘要采用31个银品种和4个雄株类型的单株无系，机区组排列，对状及其与的相关，黄酮、内酯含进行了研究。