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Sadaf Kalam
Department of Biochemistry, St. Ann’s College for Women, Hyderabad 500028, India

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Review
Published: 22 January 2021 in Sustainability
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The quest for enhancing agricultural yields due to increased pressure on food production has inevitably led to the indiscriminate use of chemical fertilizers and other agrochemicals. Biofertilizers are emerging as a suitable alternative to counteract the adverse environmental impacts exerted by synthetic agrochemicals. Biofertilizers facilitate the overall growth and yield of crops in an eco-friendly manner. They contain living or dormant microbes, which are applied to the soil or used for treating crop seeds. One of the foremost candidates in this respect is rhizobacteria. Plant growth promoting rhizobacteria (PGPR) are an important cluster of beneficial, root-colonizing bacteria thriving in the plant rhizosphere and bulk soil. They exhibit synergistic and antagonistic interactions with the soil microbiota and engage in an array of activities of ecological significance. They promote plant growth by facilitating biotic and abiotic stress tolerance and support the nutrition of host plants. Due to their active growth endorsing activities, PGPRs are considered an eco-friendly alternative to hazardous chemical fertilizers. The use of PGPRs as biofertilizers is a biological approach toward the sustainable intensification of agriculture. However, their application for increasing agricultural yields has several pros and cons. Application of potential biofertilizers that perform well in the laboratory and greenhouse conditions often fails to deliver the expected effects on plant development in field settings. Here we review the different types of PGPR-based biofertilizers, discuss the challenges faced in the widespread adoption of biofertilizers, and deliberate the prospects of using biofertilizers to promote sustainable agriculture.

ACS Style

Anirban Basu; Priyanka Prasad; Subha Das; Sadaf Kalam; R. Sayyed; M. Reddy; Hesham El Enshasy. Plant Growth Promoting Rhizobacteria (PGPR) as Green Bioinoculants: Recent Developments, Constraints, and Prospects. Sustainability 2021, 13, 1140 .

AMA Style

Anirban Basu, Priyanka Prasad, Subha Das, Sadaf Kalam, R. Sayyed, M. Reddy, Hesham El Enshasy. Plant Growth Promoting Rhizobacteria (PGPR) as Green Bioinoculants: Recent Developments, Constraints, and Prospects. Sustainability. 2021; 13 (3):1140.

Chicago/Turabian Style

Anirban Basu; Priyanka Prasad; Subha Das; Sadaf Kalam; R. Sayyed; M. Reddy; Hesham El Enshasy. 2021. "Plant Growth Promoting Rhizobacteria (PGPR) as Green Bioinoculants: Recent Developments, Constraints, and Prospects." Sustainability 13, no. 3: 1140.

Articles
Published: 13 September 2010 in Archives of Phytopathology and Plant Protection
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Biological control is a relatively cheap and most feasible long-term approach for controlling deadly weeds. Parthenium hysterophorus L. is a pernicious weed, imposing deleterious economic effects on humans and livestock. Microbial products thus offer a non-chemical alternative for controlling a noxious, invasive and pernicious weed like Parthenium. Phoma is a well-known phytopathogen responsible for many diseases in plants and is known to produce an array of bioactive extracellular toxic compounds, i.e. agribiologicals. Before application these have to be effectively formulated to enhance their absorption and translocation within the foliar tissues. Adjuvants are formulatives of microbial bioherbicides which ensure maximum herbicidal performance. Research on adjuvant and formulation technology for ecofriendly agrochemicals has advanced rapidly in recent years. Phytotoxins from Phoma sp. FGCC#18 have been tested for their compatibility with different formulants. Phytotoxicity damage was studied by seedling and detached leaf bioassays after different hours post-treatment. Tween 80 at 0.5% was found to be the best formulant, while the combination of Tween 80 and coconut oil at 0.5% exhibited maximum damage to Parthenium seedlings and detached leaves.

ACS Style

Sadaf Quereshi; Ritu Panjwani; A. K. Pandey; Ajay K. Singh. Formulation of phytotoxins from Phoma sp. FGCC#18 for the management of Parthenium hysterophorus L. Archives of Phytopathology and Plant Protection 2010, 43, 1260 -1267.

AMA Style

Sadaf Quereshi, Ritu Panjwani, A. K. Pandey, Ajay K. Singh. Formulation of phytotoxins from Phoma sp. FGCC#18 for the management of Parthenium hysterophorus L. Archives of Phytopathology and Plant Protection. 2010; 43 (13):1260-1267.

Chicago/Turabian Style

Sadaf Quereshi; Ritu Panjwani; A. K. Pandey; Ajay K. Singh. 2010. "Formulation of phytotoxins from Phoma sp. FGCC#18 for the management of Parthenium hysterophorus L." Archives of Phytopathology and Plant Protection 43, no. 13: 1260-1267.

Journal article
Published: 01 June 2010 in Brazilian Archives of Biology and Technology
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The aim of this work was to study the herbicidal potential of Cell free culture filtrate of Colletotrichum dematium FGCC#20 against Parthenium by employing different bioassays i.e. shoot-cut, seedling, detached leaf and seed germination. On solvent extraction of the Cell free culture filtrate, Ethyl acetate extracted fraction showed the presence of phytotoxic moiety

ACS Style

Jaya Singh; Sadaf Quereshi; Nikita Banerjee; Akhilesh Kumar Pandey. Production and extraction of phytotoxins from Colletotrichum dematium FGCC# 20 effective against Parthenium hysterophorus L. Brazilian Archives of Biology and Technology 2010, 53, 669 -678.

AMA Style

Jaya Singh, Sadaf Quereshi, Nikita Banerjee, Akhilesh Kumar Pandey. Production and extraction of phytotoxins from Colletotrichum dematium FGCC# 20 effective against Parthenium hysterophorus L. Brazilian Archives of Biology and Technology. 2010; 53 (3):669-678.

Chicago/Turabian Style

Jaya Singh; Sadaf Quereshi; Nikita Banerjee; Akhilesh Kumar Pandey. 2010. "Production and extraction of phytotoxins from Colletotrichum dematium FGCC# 20 effective against Parthenium hysterophorus L." Brazilian Archives of Biology and Technology 53, no. 3: 669-678.