Abstract：
:A key constraint in successfully obtaining an effective inoculant is overcoming difficulties in formulating a viable and user-friendly final product and maintaining the microbial cells in a competent state. Co-cultures of rhizobia and PGPR (Plant Growth Promoting Rhizobacteria) are a logical next subject for formulation researchers as they can influence the efficacy of rhizobia. A greenhouse experiment was set to assess the formulation effect of one strain i.e. Bradyrhizobium japonicum, 532c (granules, liquid and broth) and also to determine the efficiency of co-inoculation of Bacillus with two commercial strains of B. japonicum (532c and RCR 3407) on 2 soybean (Glycine max L.) varieties. PCR-RFLP analysis was used to determine the nodule occupancy in each treatment. Most of the inoculants showed increased nodulation and biomass yields (by approximately 2-5 and 4-10 g plant(-1) respectively) as compared to the uninoculated controls. TGx1740-2F showed no significant differences in nodule fresh weights for the formulation effect while the co-inoculants increased the nodule fresh weights by up to 4 g plant(-1). The liquid and granule-based inoculants induced higher biomass yields (4-8 g plant(-1)) suggesting a possible impact of formulation on the effectiveness of the inoculants. The co-inoculants also gave higher yields but showing no significant differences to the rhizobial inoculants. Nodule occupancy was 100 % for the rhizobial inoculants as well as the co-inoculants emphasizing the infectivity and high competitiveness of 532c and RCR 3407 strains despite the high population of indigenous rhizobia.
journal_name
World J Microbiol Biotechnoljournal_title
World journal of microbiology & biotechnologyauthors
Atieno M,Herrmann L,Okalebo R,Lesueur Ddoi
10.1007/s11274-012-1062-xsubject
Has Abstractpub_date
2012-07-01 00:00:00pages
2541-50issue
7eissn
0959-3993issn
1573-0972journal_volume
28pub_type
杂志文章abstract：:Common reed (Phragmites australis) and narrow-leaved cattail (Typha angustifolia L.) are two plant species used widely in artificial wetlands constructed to treat wastewater. In this study, the community structure and diversity of root-associated bacteria of common reed and narrow-leaved cattail growing in the Beijing...
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journal_title：World journal of microbiology & biotechnology
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