银杏叶生长发育规律了研究

林业科学 ›› 1997, Vol. 33 ›› Issue (3): 267-273.

银杏叶生长发育规律了研究

邢世岩,孙霞,李可贵,有祥亮

山东省林业学校林木栽培室泰安 271000

收稿日期:1995-12-05 出版日期:1997-05-25 发布日期:1997-05-25

GROWTH AND DEVELOPMENT OF GINKGO BILOBA LEAVES

Shiyan Xing,Xia Sun,Kegui Li,Xiangliang You

Forestry School of Shandong Province Taian 271000

Received:1995-12-05 Online:1997-05-25 Published:1997-05-25

摘要/Abstract

关键词: 银杏, 叶, 生长发育, 叶面积系数

Abstract:

The morphologic feature, growth and development, leaf screen and leaf biomass of four Ginkgo caltivars in China were studied in this paper, which were Kuijin, Maling 5^#, Jiafushou and Dongtinghuang.Leaves of Ginkgo are categorized:fan shape.semicircle shape and the heart shape.The heterophylly of Ginkgo is related with age of shoots and location of leaves growth.The phyllotaxis of cutivars are proved to be 3/8.The annual dynamic change in leaf length, leaf width, petide length, leaf area, dry and fresh weight of leaf can be expressed "S"-shaped curves.Water content in leaves sharply declines as the leaves growth period prolongs.Length of long shoot is 583cm, numbers of leaves are 402, leaf area is 9735cm², fresh weight of leaves is 355g, leaf area index is 2.58 for a 3-year-old young grafted tree.

Key words: Ginkgo, Leaf, Growth and development, Leaf area index

邢世岩,孙霞,李可贵,有祥亮. 银杏叶生长发育规律了研究[J]. 林业科学, 1997, 33(3): 267-273.

Shiyan Xing,Xia Sun,Kegui Li,Xiangliang You. GROWTH AND DEVELOPMENT OF GINKGO BILOBA LEAVES[J]. Scientia Silvae Sinicae, 1997, 33(3): 267-273.

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