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Acta Agron Sin ›› 2009, Vol. 35 ›› Issue (4): 745-748.doi: 10.3724/SP.J.1006.2009.00745

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Effects of Plant Population Density on Fractal Dimension of Corn Based on Image Processing

LIANG Shu-Min1,YANG Jin-Zhong2*,LI Na-Na1,Hao Jian-Ping1,DU Tian-qing1,CUI Fu-Zhu1,CHENG Li-Juan1   

  1. 1Shanxi Agricultural University,Taigu 030801,China;2Qingdao Agricultural University,Qingdao 266109,China
  • Received:2008-09-09 Revised:2008-12-29 Online:2009-04-12 Published:2009-02-16
  • Contact: YANG Jin-Zhong E-mail:jzyang@qau.edu.cn

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Abstract:

Using fractal analysis method and image process, for corn cultivar Qiangsheng 49 was analyzed the effects of plant population density on fractal dimension (FD) of plant skeletal images. When the population density increased from 2.4 to 7.8 plants per square meters by 1.2 increment, the FD value decreased gradually from 1.192 to 1.163. Under all population density conditions, the FD values increased till early kernel filling and then decreased. The FD value was correlated with plant height, photosynthetic leaf sources and biomass to some extents. FD can be used widely in describing corn plant architecture as a new meaningful indicator.

Key words: Corn, Image process, Fractal dimension, Plant population density, Plant architecture

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