Performance evaluation of native plant growth-promoting rhizobacteria for paddy yield enhancement in the jhum fields of Mokokchung, Nagaland, North East India

Giri, Krishna; Mishra, Gaurav; Suyal, Deep Chandra; Kumar, Narendra; Doley, Bhanushree; Das, Niren; Baruah, Rupjyoti C.; Bhattacharyya, R.; Bora, Navajyoti

doi:10.1016/j.heliyon.2023.e14588

Cited by 12 publications

(3 citation statements)

References 29 publications

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“…The inoculant must colonize the host at a specific population density in order to trigger a successful response (Batista et al, 2018;Dey et al, 2014;Mcnear, 2013). The (Giri et al, 2023) and efficacy analysis of PGPR in field conditions (Dar et al, 2014) discuss similar topics and provide supporting evidence for our findings with the field trial outcome using P. taiwanensis.…”

Section: Discussionsupporting

confidence: 74%

“…Positive influence of PGPR on growth attributes and yield enhancement of rice were well documented. Performance evaluation of PGPR for paddy yield enhancement (Giri et al., 2023) and efficacy analysis of PGPR in field conditions (Dar et al., 2014) discuss similar topics and provide supporting evidence for our findings with the field trial outcome using P. taiwanensis .…”

Section: Discussionsupporting

confidence: 61%

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Interactive effects on ACC deaminase activity in salt‐tolerant plant growth‐promoting rhizobacteria and impacts on rice crop improvement

Reshma,

Dileep

2024

J Agronomy Crop Science

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The present study focuses on the 1‐aminocyclopropane‐1‐carboxylic acid (ACC) deaminase assay and the rhizospheric interactions affecting enzyme activity. We investigate the efficacy of ACC deaminase‐producing rhizobacterial activity in alleviating salt stress in rice. Among the five selected isolates, only two strains, KFSC2 and PK7, possessed the enzyme activity. The amplification of the acdS gene resulted in gene identification in all five isolates. The newly designed primer in this study was suitable for both Pseudomonas and Enterobacter species. The gene products of KFSC1 and KFSC2 were amplified, sequenced and subsequently submitted to GenBank with accession numbers OQ703930 and OQ798805, respectively. This marks the first‐ever submission of the acdS gene sequence from Pseudomonas aeruginosa to GenBank. The interactive effect of root exudates on ACC deaminase activity was assessed using amino acids, organic acids and sugars. The highest enzyme activity was obtained with aspartic acid and fructose, while organic acids and varying pH levels had negative influences on enzyme activity. Additionally, salt and proline had positive effects. These results indicate that there is a positive interaction occurring among these compounds from plants and root‐colonizing bacteria. The selected strain PK7 had a significant impact on growth parameters. Moreover, yield resulted in 252 kg/hec over the control suggests its future possibility of promising bioformulations.

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Section: Discussionsupporting

confidence: 74%

Section: Discussionsupporting

confidence: 61%

Interactive effects on ACC deaminase activity in salt‐tolerant plant growth‐promoting rhizobacteria and impacts on rice crop improvement

Reshma,

Dileep

2024

J Agronomy Crop Science

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“…PGPR affect plant growth through mechanisms such as N2-fixation, plant growth regulators production (Vessey, 2003), water and nutrient uptake enhancement (Dey et al, 2004), soil-borne plant pathogens inhibition (Sindhu et al, 2002), and so on. Application of a single microbial strain may not be feasible enough, but their effectiveness can be improved through co-inoculation with other strains in consortium or with plant growth regulators i.e., precursor-inoculum interaction (Giri et al, 2023;Gohil et al, 2019). Oluwambe and Kofoworola (2016) found the inoculation of PGPR consortium more efficient over single strain inoculation in tomato growth.…”

Section: Introductionmentioning

confidence: 99%

Plant Growth Promoting Rhizobacteria (PGPR) Increases Yield and Mineral Contents of Rice by Mobilizing Nutrients in the Rhizosphere

Hossain

Rion

Das

et al. 2023

Res. Agric. Livest. Fish.

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Plant growth-promoting rhizobacteria (PGPR) are multipurpose entities in case of crop quality and yield improvement. This study evaluated the impact of PGPR inoculation in root zone nutrient release, rice yield, and grain nutrient (P, Fe, Mn, and Zn) content in two popular rice varieties of Bangladesh (viz., BRRI dhan49 and Binadhan7). It was a single factor (bacterial treatment) experiment where B0, B1, B2, and B3 treatments represented the inoculated control, indole acetic acid (IAA) producing bacteria consortium, phosphorus solubilizing bacteria (PSB) consortium, and combination of B1 and B2 treatments, respectively. Nutrients released in pore water was higher at 5 days after transplanting (DAT), compared to 25 DAT. Mostly B2 and B3 treatments performed significantly in the number of tillers/pots, straw yield, grain yield, grain P, Mn, Fe content, and all four nutrients uptake. The highest grain yield observed in B3 treatment is in both Binadhan7 (42.10±1.76 g/pot) and BRRI dhan49 (36.20±1.57 g/pot). PSB containing B2 treatment bio-fortified the largest amount of P in both rice varieties. On the other hand, the B3 treatment stored the highest amount of Mn (46.70±1.30 and 44.30±1.37 mg/kg) and Fe (45.30±2.90 and 25.70±2.37 mg/kg) in Binadhan7 and BRRI dhan49, respectively. The B3 treatment resulted in maximum nutrient content (P, Mn, and Fe) and uptake (P, Mn, Fe, and Zn) in both rice varieties. These bacterial isolates seemed promising for rice yield and quality improvement in an eco-friendly and sustainable way. Res. Agric. Livest. Fish. 10(1): 73-81

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Agronomic Aspects of Nutrient Management in Shifting Cultivation Agro-Ecosystems of North-East India

Ray,

Chatterjee,

Das

et al. 2024

Shifting Cultivation Systems

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Performance evaluation of native plant growth-promoting rhizobacteria for paddy yield enhancement in the jhum fields of Mokokchung, Nagaland, North East India

Cited by 12 publications

References 29 publications

Interactive effects on ACC deaminase activity in salt‐tolerant plant growth‐promoting rhizobacteria and impacts on rice crop improvement

Interactive effects on ACC deaminase activity in salt‐tolerant plant growth‐promoting rhizobacteria and impacts on rice crop improvement

Plant Growth Promoting Rhizobacteria (PGPR) Increases Yield and Mineral Contents of Rice by Mobilizing Nutrients in the Rhizosphere

Agronomic Aspects of Nutrient Management in Shifting Cultivation Agro-Ecosystems of North-East India

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