PGPR formulations and application in the management of pulse crop health

Patel, Jai Singh; Kumar, Gagan; Bajpai, Raina; Teli, Basavaraj; Rashid, Mahtab; Sarma, B. K.

doi:10.1016/b978-0-12-821667-5.00012-9

Cited by 8 publications

(4 citation statements)

References 72 publications

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“…Plant growth–promoting rhizobacteria (PGPR) that colonize plant rhizosphere are group of bacteria exerting a beneficial effect on plant development ( Adedeji et al., 2020 ). The application of these microorganisms can reduce the requirement of synthetic chemical fertilizers and pesticides, which is important for the development of sustainable agriculture ( Patel et al., 2021 ). PGPR can promote plant growth directly or indirectly.…”

Section: Introductionmentioning

confidence: 99%

Plant growth–promoting rhizobacteria: Peribacillus frigoritolerans 2RO30 and Pseudomonas sivasensis 2RO45 for their effect on canola growth under controlled as well as natural conditions

Świątczak,

Kalwasińska,

Brzezinska

2024

Front. Plant Sci.

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Even though canola is one of the most important industrial crops worldwide, it has high nutrient requirements and is susceptible to pests and diseases. Therefore, natural methods are sought to support the development of these plants. One of those methods could be a plant growth–promoting rhizobacteria (PGPR) that have a beneficial effect on plant development. The aim of this study was a genomic comparison of two PGPR strains chosen based on their effect on canola growth: Peribacillus frigoritolerans 2RO30, which stimulated canola growth only in sterile conditions, and Pseudomonas sivasensis 2RO45, which promoted canola growth in both sterile and non-sterile conditions. First of all, six bacterial strains: RO33 (Pseudomonas sp.), RO37 (Pseudomonas poae), RO45 (Pseudomonas kairouanensis), 2RO30 (Peribacillus frigoritolerans), 2RO45 (Pseudomonas sivasensis), and 3RO30 (Pseudomonas migulae), demonstrating best PGP traits in vitro, were studied for their stimulating effect on canola growth under sterile conditions. P. frigoritolerans 2RO30 and P. sivasensis 2RO45 showed the best promoting effect, significantly improving chlorophyll content index (CCI) and roots length compared to the non-inoculated control and to other inoculated seedlings. Under non-sterile conditions, only P. sivasensis 2RO45 promoted the canola growth, significantly increasing CCI compared to the untreated control and to other inoculants. Genome comparison revealed that the genome of P. sivasensis 2RO45 was enriched with additional genes responsible for ACC deaminase (acdA), IAA (trpF, trpG), and siderophores production (fbpA, mbtH, and acrB) compared to 2RO30. Moreover, P. sivasensis 2RO45 showed antifungal effect against all the tested phytopathogens and harbored six more biosynthetic gene clusters (BGC), namely, syringomycin, pyoverdin, viscosin, arylpolyene, lankacidin C, and enterobactin, than P. frigoritolerans 2RO30. These BGCs are well known as antifungal agents; therefore, it can be assumed that these BGCs were responsible for the antifungal activity of P. sivasensis 2RO45 against all plant pathogens. This study is the first report describing P. sivasensis 2RO45 as a canola growth promoter, both under controlled and natural conditions, thus suggesting its application in improving canola yield, by improving nutrient availability, enhancing stress tolerance, and reducing environmental impact of farming practices.

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Section: Introductionmentioning

confidence: 99%

Plant growth–promoting rhizobacteria: Peribacillus frigoritolerans 2RO30 and Pseudomonas sivasensis 2RO45 for their effect on canola growth under controlled as well as natural conditions

Świątczak,

Kalwasińska,

Brzezinska

2024

Front. Plant Sci.

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“…Since there are no credit requirements in ZBNF, the cost of cultivation operations stays zero, allowing crops to be grown without chemicals by utilizing naturally occurring resources (Timsina, 2018 ; Bharucha et al, 2020 ; Bhattacharyya et al, 2020 ; Khadse and Rosset, 2021 ). Beejamrit, Panchgavya, and Jeevamrit are examples of ZBNF formulations that promote microbial life and earthworm activities, which promote soil nutrient availability, affirm disease resistance, and improve the productivity of crops (Maduka and Udensi, 2019 ; Ray et al, 2020 ; Patel et al, 2021 ). Beejamrit and Jeevamrit are recognized as pillars of ZBNF (Bharadwaj, 2021 ).…”

Section: Introductionmentioning

confidence: 99%

Zero budget natural farming components Jeevamrit and Beejamrit augment Spinacia oleracea L. (spinach) growth by ameliorating the negative impacts of the salt and drought stress

Patel,

Islam,

Glick

et al. 2024

Front. Microbiol.

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The growth of crop plants, particularly spinach (Spinacia oleracea L.), can be significantly impeded by salinity and drought. However, pre-treating spinach plants with traditional biofertilizers like Jeevamrit and Beejamrit (JB) substantially reverses the salinity and drought-induced inhibitory effects. Hence, this study aims to elucidate the underlying mechanisms that govern the efficacy of traditional fertilizers. The present work employed comprehensive biochemical, physiological, and molecular approaches to investigate the processes by which JB alleviates abiotic stress. The JB treatment effectively boosts spinach growth by increasing nutrient uptake and antioxidant enzyme activity, which mitigates the detrimental effects of drought and salinity-induced stress. Under salt and drought stress conditions, the application of JB resulted in an impressive rise in germination percentages of 80 and 60%, respectively. In addition, the application of JB treatment resulted in a 50% decrease in electrolyte leakage and a 75% rise in the relative water content of the spinach plants. Furthermore, the significant reduction in proline and glycine betaine levels in plants treated with JB provides additional evidence of the treatment's ability to prevent cell death caused by environmental stressors. Following JB treatment, the spinach plants exhibited substantially higher total chlorophyll content was also observed. Additionally, using 16S rRNA sequencing, we discovered and characterized five plant-beneficial bacteria from the JB bio-inoculants. These bacterial isolates comprise a number of traits that contribute to growth augmentation in plants. These evidences suggest that the presence of the aforesaid microorganisms (along with additional ones) is accountable for the JB-mediated stimulation of plant growth and development.

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“…Activity of earthworms and microbial populations are found to be increased many times with the ZBNF formulations like jeevamrita, bijamarita and panchgavya. Incorporation of these formulations in soil boosts the soil nutrients availability, fortifies the resistance mechanism and ultimately raises the crop yield [4,6,7].…”

Section: Introductionmentioning

confidence: 99%

Sustainable Development Attributes of Zero Budget Natural Farming (ZBNF) to Agricultural Practices

Kumar,

Brar,

Kaushal

et al. 2024

AJSSPN

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The agricultural sector is fundamental to human civilization since it provides food and other basic needs to billions of people. Given that 9.7 billion people are expected to live on Earth by 2050, food production needs to increase by 70%. The population is predicted to become more urbanized by 2050, with 75% of people likely to live in metropolitan regions. Improved agricultural techniques and the promotion of high-yielding cultivars are essential to addressing the issues of sustainability and food security. The Green Revolution changed agriculture in India, resulting in a food surplus. However, it has resulted in difficulties such as lower crop output, resource depletion, and environmental deterioration. In response, new techniques such as zero-budget natural farming (ZBNF) have evolved. Zero Budget Natural Farming (ZBNF) is a sustainable farming approach aimed at improving soil health, increasing crop output, and lowering production costs. The foundations of ZBNF are examined in this review study along with how they affect agricultural output, environmental sustainability, and socioeconomic advantages. ZBNF places a strong emphasis on using organic inputs and natural resources such as jeevamrita, bijamrita, acchadana and whapasa to increase microbial diversity, improve soil fertility, encourage nutrient cycling, and save water. ZBNF can lower production costs, boost crop yield, and enhance soil health. It also confers better emergence parameters, relative leaf water content, root parameters, and overall yield and productivity on plant growth. Additionally, ZBNF supports the UN Sustainable Development Goals by encouraging sustainable agriculture, lowering greenhouse gas emissions, and improving rural lives.

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PGPR formulations and application in the management of pulse crop health

Cited by 8 publications

References 72 publications

Plant growth–promoting rhizobacteria: Peribacillus frigoritolerans 2RO30 and Pseudomonas sivasensis 2RO45 for their effect on canola growth under controlled as well as natural conditions

Plant growth–promoting rhizobacteria: Peribacillus frigoritolerans 2RO30 and Pseudomonas sivasensis 2RO45 for their effect on canola growth under controlled as well as natural conditions

Zero budget natural farming components Jeevamrit and Beejamrit augment Spinacia oleracea L. (spinach) growth by ameliorating the negative impacts of the salt and drought stress

Sustainable Development Attributes of Zero Budget Natural Farming (ZBNF) to Agricultural Practices

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