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个银杏雌性品种和4个雄的单无性系，机区组排列，对性状及其与的相关性，黄酮、内酯含进行了研究。