Research Papers

Effect   and Simulation of Plant Type on Canopy Structure and Radiation Transmission in Rice

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  • 1 College of Applied Meteorological Science, Nanjing University of Information Science and Technology, Nanjing 210044, China;2 Agricultural College, Yangzhou University, Yangzhou 225009, China;3 Institute of Food Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China;

Received date: 2010-11-12

  Revised date: 2011-03-27

  Online published: 2011-09-10

Abstract

By using three rice hybrids with  typical plant types as  materials, and changing their morphology of uppermost two leaves through  N fertilizer application   during the elongation of   the two leaves, relationships among plant type factor, layered leaf area and radiation transmission were determined at the full heading stage, 10 and 25 days after full heading, respectively. A model for calculating  the layered leaf area by plant type factors was established and validated, and were subjected to analyze  the effects of plant type factors on layered leaf area of  the three hybrids. Furthermore,    the relationship between layered leaf area and radiation transmission was validated using a light distribution model for plant canopy radiation transmission, and the effects of plant type factors on radiation transmission for the three hybrids were conducted  by  this  model. Thus,  a method for calculating canopy structure (layered leaf area index) and radiation transmission  was established by plant type factors in rice.

Cite this article

HU Ning1, YAO Kemin1, ZHANG Xiaocui2, LU Chuangen3,* . Effect   and Simulation of Plant Type on Canopy Structure and Radiation Transmission in Rice[J]. Chinese Journal OF Rice Science, 2011 , 25(5) : 535 -543 . DOI: 10.3969/j.issn.10017216.2011.05.013

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