综述了枝叶特征与果树矮化性的关系，激素含量、酶含量和活性与果树矮化性的关系，水势与果树矮化性的关系，对存在问题及发展前景进行了讨。
The paper comprehensively states the relation between dwarfing fruit trees and character of branch and leaf, content and activity of enzyme and hormone, moisture potential and so on.
表皮的特征作为压型化石枝叶标本细胞信息的重要来源，甚至是惟一来源，一直作为杉科植物化石分类鉴定的主要依据。
Epidermal structures of leaves, the source of cellular information of fossil plants, provide the important evidence to separate the similar leaves of these genera in Taxodiaceous fossil plants.
表皮的特征作为压型化石枝叶标本细胞信息的重要来源，甚至是惟一来源，一直作为杉科植物化石分类鉴定的主要依据。
Epidermal structures of leaves, the source of cellular information of fossil plants, provide the important evidence to separate the similar leaves of these genera in Taxodiaceous fossil plants.
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