|Table of Contents|

Photosynthetic Characteristics of Individual and Population of Soybean under Different Densities(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2010年04期
Page:
638-640,644
Research Field:
Publishing date:

Info

Title:
Photosynthetic Characteristics of Individual and Population of Soybean under Different Densities
Author(s):
ZHANG Xiao-yan1LI Jian-ying2ZHENG Dian-feng1DU Ji-dao1FENG Nai-jie1
1.College of Agronomy,Heilongjiang August First Land Reclamation University,Daqing 163319,Heilongjiang;
2.Daqing Brach of Heilongjiang Academy of Agricultural Sciences, Daqing 163316,Heilongjiang,China
Keywords:
SoybeanPhotosynthetic rateTranspiration rateStoma conductance
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2010.04.0638
Abstract:
The experiment determined photosynthetic rate,transpiration rate and stomatal conductance of single-leaf and canopy at R5 stage. Kennong 4 (Glycine max L.) was selected as the experimental material. The objective of this study was to investigate photosynthetic characteristics of individual and population of soybean in different densities. The photosynthetic rate of different nodes in low density populations were higher than high density populations. The canopy photosynthetic rate, transpiration rate and stoma conductance of different soybean population gradually decreased from top to bottom canopy, the difference from top to bottom canopy was smaller at low density populations, and was larger at high density populations. There was positive correlation between photosynthetic rate, transpiration rate and stoma conductance in middle-upper layer of lanopy.

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Last Update: 2014-09-14