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银杏雌品种和4类型的单无系，机区组排列，对叶产及其与叶产的相关，叶黄酮、内酯含进行了研究。