|Table of Contents|

Effect of Population Distribution on Yield Formation of Soybean with Different Plant Types(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2010年04期
Page:
634-637
Research Field:
Publishing date:

Info

Title:
Effect of Population Distribution on Yield Formation of Soybean with Different Plant Types
Author(s):
YU Feng-yao;  XIN Xiu-jun;  ZHOU Shun-qi;  ZHANG Dai-jun;  QIU Hong-mei
Hongxinglong Research Institute of Heilongjiang Land Reclamation Bureau, Youyi 155811, Heilongjiang, China
Keywords:
soybean; group distribution; compensation effect; density effect; yield
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2010.04.0634
Abstract:
The propose of this study was to analyze the effect of population distrabution on yield formation of different soybean types to provide valuable information for soybean high-yield cultivation. This research was carried out with Hefeng45 and Hongfeng11 soybean cultivars by setting 6 different population distributions, which were 8×8, 8×10, 8×12, 10×8, 10×10 and 10×12 in plant spacing (cm) ×row spacing (cm), respectively. LSD method was used to analyse changes of yields and yield traits. The values of compensation effect and density effect were calculated. The results showed population distribution had significant effect on yield and yield traits, the value of compensation effect of Hefeng 45 was higher than that of Hongfeng 11 and the value of density effect of Hongfeng 11 was higher than that of Hefeng 45. Population distribution had effects on both compensation and density effect value. Yields of the 2 cultivars changes showed a linear regression relationship and downward convex quadratic parabola regression relationship respectively in plant spacing of 8 cm and 10 cm. The yield extreme value varied with plant type,and that of Hefeng 45 and Hongfeng 11 appeared in the 10 cm×10 cm and 8 cm×12 cm population distribution level,respectively.

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