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雌性品种和4雄株类型单株无性系，机区组排列，对叶产性状及其与叶产关性，叶黄酮、内酯含进行了研究。