文献类型： 外文期刊

作者： Chen, Huiping ¹ ; Chen, Huixuan ² ;

作者机构： 1.Univ Sci & Technol China, Dept Astron, Hefei 230026, Anhui, Peoples R China

2.Shanxi Acad Agr Sci, Inst Agr Environm & Resource, Taiyuan 030012, Shanxi, Peoples R China

关键词： Multifractal Spectrum; Soybean Leaves; Chlorophyll; Water

期刊名称：FRACTALS-COMPLEX GEOMETRY PATTERNS AND SCALING IN NATURE AND SOCIETY （ 影响因子：3.665； 五年影响因子：3.165 ）

ISSN： 0218-348X

年卷期： 2018 年 26 卷 6 期

页码：

收录情况： SCI

摘要： We studied soybean leaves of the main soybean cultivars and their mutants from Shanxi Province, China, using multifractal spectrum analysis of transmission scanned gray scale images of excised leaves. We demonstrate that the parameters of multifractal spectra correlate with the biological status of the plant. The width Delta alpha of the multifractal spectrum, a parameter of the transmission scanned gray scale image, is a good indicator of the metabolic state arid growth rate of a soybean leaf. In general, the larger the value of Delta alpha, the more exuberant the metabolism and the faster the growth rate of the leaf. alpha(min) is a parameter related with the distribution of chlorophyll in leaf, it reflects the concentration degree of chlorophyll; the smaller the value of alpha(min), the higher the concentration degree of chlorophyll in the leaf. alpha(max) is a parameter related with the distribution of water in the leaf, it reflects the concentration degree of water; the larger the value of alpha(max), the higher the concentration degree of water in the leaf. In order to reduce the impact of errors in the calculation of Delta alpha, alpha(min) and alpha(max), we introduced three new parameters - the characteristic width Delta alpha(C), the characteristic alpha(S) and the characteristic alpha(L). We compare the values of Delta alpha, alpha(min) and alpha(max) among the different leaves qualitatively by replacing Delta alpha, alpha(min) and alpha(max) with Delta alpha(C), alpha(S) and alpha(L), respectively. In research of soybean leaf growth, stress resistance of soybean cultivars and the breeding of excellent varietals, Delta alpha(C) is shown here to be a new and useful indicator for analysis.