|Table of Contents|

Effects of Plant Density and Distribution Pattern on Main Agronomic and Physiological Characters in Soybean(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2014年04期
Page:
502-506
Research Field:
Publishing date:

Info

Title:
Effects of Plant Density and Distribution Pattern on Main Agronomic and Physiological Characters in Soybean
Author(s):
WANG Wen-binCAO Yong-qiangYAN Chun-juanWANG Chang-lingSUN Xu-gangZHANG Li-junSONG Shu-hong
Crop Institute,Liaoning Academy of Agricultural Science,Shenyang 110161,China
Keywords:
SoybeanPlant distributionAgronomic characterPhysiological character
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2014.04.0502
Abstract:
The study was carried out in 2010 through the field experiment with Liaodou 21.Three levels in planting density and 4 levels in plant collocation were conducted in Shenyang to investigate the effects of different plant density and distribution pattern on main agronomic and physiological characters.The results were as follows:Bunch planting(more than 2 plants per cave)of soybean increased seedling rate significantly.Under the same plant distribution pattern,plant height,internode length and pod height increased significantly but the number of branches per plant decreased,and the peaks of LAI(leaf area index)of soybean population appeared earlier with the increase of planting density.Under the same planting density,plant height and panel length decreased but branch per plant first increased and later decreased with plant per cave increased.At the same growing stage,plant density and plant distribution pattern had less effect on dry matter accumulation and LAI increased gradually with plant per cave increased.The proportion of dry matter weight of different organs was nearly identical under different treatments.The trend of organ distribution ratio among treatments showed in the same order:seed>stem≥leaf>petiole>pod shell.In the optimum density,it is more beneficial for the formation of reasonable population structure to increase plant number per hole appropriate.

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Last Update: 2014-09-11