Influence of biosolids compost on the bradyrhizobial genotypes recovered from cowpea and soybean nodules

被引：3
|
作者：
Cousin, C
Grant, J
Dixon, F
Beyene, D
van Berkum, P
机构：
[1] USDA ARS, Soybean Genomics & Improvement Lab, Beltsville, MD 20705 USA
[2] Univ Dist Columbia, Dept Biol & Environm Sci, Div Sci & Math, Washington, DC 20008 USA
来源：
ARCHIVES OF MICROBIOLOGY | 2002年 / 177卷 / 05期
关键词：
biosolids compost; cowpea; soybean; nodulation; nitrogen fixation; Bradyrhizobium; genotype; symbiosis; plant-microbe interaction;
D O I：
10.1007/s00203-002-0401-y
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
The interaction of biosolids compost application to soil and bradyrhizobial genotypes recovered from nodules was examined. Among 170 isolates, seven genotypes were recovered from soils receiving either no biosolids application or rates of 73 or 146 Mg/ha for three successive years. With the exception of one genotype, the distribution of the bacterial genotypes recovered from nodules was interrelated with the level of biosolids. Two of the genotypes nodulated both soybean and cowpea. Because soybean-nodulating bradyrhizobia were not recovered from control plots, it is possible that they had been introduced together with the biosolids compost application.
引用
收藏
页码：427 / 430
页数：4
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