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dc.contributorGangashetty, Prakashen_US
dc.contributorRathore, Abhisheken_US
dc.contributorKudapa, Hima binduen_US
dc.contributorVarshney, Rajeeven_US
dc.contributorVadlamudi, Srinivasen_US
dc.creatorGopalakrishnan, Subramaniamen_US
dc.identifier.citationSubramaniam Gopalakrishnan, Prakash Gangashetty, Abhishek Rathore, Hima bindu Kudapa, Rajeev Varshney, Srinivas Vadlamudi. (5/2/2015). The extent of grain yield and plant growth enhancement by plant growth-promoting broad-spectrum Streptomyces sp. in chickpea. SpringerPlus, 4 (31).en_US
dc.description.abstractThe physiological and molecular responses of five strains of Streptomyces sp. (CAI-17, CAI-68, CAI-78, KAI-26 and KAI-27), with their proven potential for charcoal rot disease control in sorghum and plant growth-promotion (PGP) in sorghum and rice, were studied to understand the mechanisms causing the beneficial effects. In this investigation, those five strains were evaluated for their PGP capabilities in chickpea in the 2012–13 and 2013–14 post-rainy seasons. All of the Streptomyces sp. strains exhibited enhanced nodule number, nodule weight, root weight and shoot weight at 30 days after sowing (DAS) and pod number, pod weight, leaf area, leaf weight and stem weight at 60 DAS in both seasons over the un-inoculated control. At crop maturity, the Streptomyces strains had enhanced stover yield, grain yield, total dry matter and seed number plant−1 in both seasons over the un-inoculated control. In the rhizosphere, the Streptomyces sp. also significantly enhanced microbial biomass carbon, dehydrogenase activity, total nitrogen, available phosphorous and organic carbon in both seasons over the un-inoculated control. Of the five strains of Streptomyces sp., CAI-17, CAI-68 and CAI-78 were superior to KAI-26 and KAI-27 in terms of their effects on root and shoot development, nodule formation and crop productivity. Scanning electron microscopy (SEM) micrographs had revealed the success in colonization of the chickpea roots by all five strains. Quantitative real-time PCR (qRT-PCR) analysis of selected PGP genes of actinomycetes revealed the selective up-regulation of indole-3-acetic acid (IAA)-related and siderophore-related genes by CAI-68 and of β-1,3-glucanase genes by KAI-26en_US
dc.titleThe extent of grain yield and plant growth enhancement by plant growth-promoting broad-spectrum Streptomyces sp. in chickpeaen_US
dc.typeJournal Articleen_US
cg.creator.idGopalakrishnan, Subramaniam: 0000-0003-4053-7016en_US
cg.creator.idGangashetty, Prakash: 0000-0002-6766-1415en_US
cg.creator.idRathore, Abhishek: 0000-0001-6887-4095en_US
cg.subject.agrovoccrop productionen_US
cg.contributor.centerInternational Crops Research Institute for the Semi-Arid Tropics - ICRISATen_US
cg.contributor.crpCGIAR Research Program on Grain Legumes - GLen_US
cg.contributor.funderNot Applicableen_US
cg.contributor.project-lead-instituteInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.isijournalISI Journalen_US
dc.identifier.statusOpen accessen_US

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