|Table of Contents|

Response of Soybean Genotypes with Different Nodulation Traits to Peanut Rhizobia Spr2-9 Inoculation(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2010年01期
Page:
41-45
Research Field:
Publishing date:

Info

Title:
Response of Soybean Genotypes with Different Nodulation Traits to Peanut Rhizobia Spr2-9 Inoculation
Author(s):
YU Xiao-bo1; 2; XIANG Da-bing1; YANG Wen-yu1; ZHANG Ming-rong2; WU Hai-ying2
1.College of Agronomy，Sichuan Agricultural University，Ya’an，625014;
2.Nanchong Institute of Agricultural Sciences，Nanchong 637000，Sichuan，China
Keywords:
Soybean; Genotype; Nodule; Nitrogen; Inoculation
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2010.01.0041
Abstract:
The peanut rhizobia Spr2-9 was inoculated to soybean ragg，its mutant line nts1007，a supernodulator，and nod139，a nonnodulator，as well as a local cultivar Gongxuan 1.The changes of plant growth and nitrogen-fixing ability of different genotype soybean were investigated after inoculation at full flowering stage.Whether inoculation or not，nts1007 had highest nodule fresh weight，nitrogen percent content and nitrogen content per plant，the nodule fresh weight and nitrogen percent content of nts1007 were significantly higher than other genotype soybeans，and nitrogen content per plant were significantly higher than nod139.After inoculation，the nts1007 have a significant reduction in single nodule weight，but the nodule fresh weight，nitrogen percent content and nitrogen content per plant had no significant changes.The nod139 had no nodule whether inoculation or not，and its nodulation traits were significant lower than other genotypes.The SPAD and plant dry weight of bragg were more sensitive to inoculation than other genotypes，which increased by 16.99% and 8.18% after inoculation.The nitrogen content per plant of Gongxuang 1 increased by 22.76% after inoculation，which indicated it was more sensitive in response of nitrogen content per plant to inoculation than other soybean genotypes.

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