Browsing by Author "Dinesh Kumar Maheshwari"

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Bioformulation Containing Cohorts of Ensifer adhaerens MSN12 and Bacillus cereus MEN8 for the Nutrient Enhancement of Cicer arietinum L.
(MDPI, 2022) Nitin Baliyan; Kamal A. Qureshi; Mariusz Jaremko; Minakshi Rajput; Monika Singh; Sandhya Dhiman; Dinesh Kumar Maheshwari; Chandra Kant; Ajay Kumar
Here we examine the effects of different carrier based bioinoculants on the growth, yield and nutritional value of chickpea and on associated soil nutrients. A consortium of two taxonomically distinct endophytic bacteria—Ensifer adhaerens MSN12 and Bacillus cereus MEN8—have promising plant growth promoting (PGP) attributes. We demonstrate their delivery from the laboratory to the field via the formulation of an effective bioinoculant with economic and accessible carriers. Sugarcane straw ash (SCSA) was found to be an efficient carrier and bioformulation for enhancing viability and shelf-life of strains up to 12 months. A bioformulation containing an SCSA-based consortium (MSN12 + MEN8) increased seed germination by 7%, plant weight by 29%, length by 17%, seed-yield by 12%, harvesting index by 14% and proximate nutritional constituents by 20% over consortium treatment without SCSA. In addition, the bioformulation of post-harvest treated soil improved the physico-chemical properties of the soil in comparison to a pre-sowing SCSA-based bioformulation treated crop, being fortified in different proximate nutritional constituents including dry matter (30%), crude protein (45%), crude fiber (35%), and ether extract (40%) in comparison to the control. Principal component analysis and scattered matrix plots showed a positive correlation among the treatments, which also validates improvement in the soil nutrient components and proximate constituents by T6 treatment (MSN12 + MEN8 + SCSA). The above results suggest efficiency of SCSA not only as a carrier material but also to support microbial growth for adequate delivery of lab strains as a substitute for chemi-fertilizers. © 2022 by the authors.
Revisiting the plant growth-promoting rhizobacteria: lessons from the past and objectives for the future
(Springer, 2020) Abhinav Aeron; Ekta Khare; Chaitanya Kumar Jha; Vijay Singh Meena; Shadia Mohammed Abdel Aziz; Mohammed Tofazzal Islam; Kangmin Kim; Sunita Kumari Meena; Arunava Pattanayak; Hosahatti Rajashekara; Ramesh Chandra Dubey; Bihari Ram Maurya; Dinesh Kumar Maheshwari; Meenu Saraf; Mahipal Choudhary; Rajhans Verma; H.N. Meena; A.R.N.S. Subbanna; Manoj Parihar; Shruti Shukla; Govarthanan Muthusamy; Ram Swaroop Bana; Vivek K. Bajpai; Young-Kyu Han; Mahfuzur Rahman; Dileep Kumar; Norang Pal Singh; Rajesh Kumar Meena
Plant beneficial rhizobacteria (PBR) is a group of naturally occurring rhizospheric microbes that enhance nutrient availability and induce biotic and abiotic stress tolerance through a wide array of mechanisms to enhance agricultural sustainability. Application of PBR has the potential to reduce worldwide requirement of agricultural chemicals and improve agro-ecological sustainability. The PBR exert their beneficial effects in three major ways; (1) fix atmospheric nitrogen and synthesize specific compounds to promote plant growth, (2) solubilize essential mineral nutrients in soils for plant uptake, and (3) produce antimicrobial substances and induce systemic resistance in host plants to protect them from biotic and abiotic stresses. Application of PBR as suitable inoculants appears to be a viable alternative technology to synthetic fertilizers and pesticides. Furthermore, PBR enhance nutrient and water use efficiency, influence dynamics of mineral recycling, and tolerance of plants to other environmental stresses by improving health of soils. This report provides comprehensive reviews and discusses beneficial effects of PBR on plant and soil health. Considering their multitude of functions to improve plant and soil health, we propose to call the plant growth-promoting bacteria (PGPR) as PBR. © 2019, Springer-Verlag GmbH Germany, part of Springer Nature.