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作物学报

作物学报 ›› 2009, Vol. 35 ›› Issue (4): 745-748.doi: 10.3724/SP.J.1006.2009.00745

• 研究简报 • 上一篇    下一篇

基于图像处理的玉米分形维数及其种植密度效应评价

梁淑敏1，杨锦忠2*，李娜娜1，郝建平1，杜天庆1，崔福柱1，程丽娟1   

  1. 1山西农业大学，山西太谷030801；2青岛农业大学，山东青岛266109
  • 收稿日期:2008-09-09 修回日期:2008-12-29 出版日期:2009-04-12 网络出版日期:2009-02-16
  • 通讯作者: 杨锦忠
  • 基金资助:

    本研究由山西省资源回国留学人员科研项目（203049），青岛农业大学人才基金项目（630746）资助。

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 Published:2009-04-12 Published online:2009-02-16
  • Contact: YANG Jin-Zhong

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1714

被引次数

28

摘要：

以玉米品种强盛49为试材，采用数字图像处理技术和计盒维数方法，研究了种植密度对株型的影响。结果表明，随着种植密度增加(2.4~7.8株 m-2)，植株的分形维数(FD值)从1.192逐渐下降至1.163。随着生育进程的推进，所有种植密度下FD值都呈现出先上升后下降的趋势。分形维数与株高、光合叶源和生物产量有一定的相关性。FD值是定量描述玉米株型的一种重要新性状，在作物长势与长相等生长诊断研究中有广泛的应用前景。

关键词: 玉米, 图像处理, 分形维数, 种植密度, 株型

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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