Research Topic: plant growth promotion

Bacillus velezensis CNPMS-22 as biocontrol agent of pathogenic fungi and plant growth promoter

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A bacterial strain called Bacillus velezensis CNPMS-22 shows promise as a natural pest control agent for crops. When applied to maize seeds, it reduced fungal diseases and increased plant productivity as effectively as chemical fungicides. The bacteria produces natural compounds that kill harmful fungi while also promoting plant growth, offering a safer, more environmentally friendly alternative to synthetic chemicals.

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Isolation and characterization of a new Leptobacillium species promoting tomato plant growth

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Scientists discovered a new type of beneficial fungus living inside tomato plant roots that helps the plants grow better and produce more nutritious fruit. This fungus, called Leptobacillium sp., makes plant hormones and special compounds that help tomato plants absorb nutrients more effectively. When tomato seeds were treated with this fungus, the plants grew taller and produced fruits with higher levels of lycopene, a beneficial compound. This discovery could help farmers grow better tomatoes using nature’s own microorganisms instead of relying on chemical treatments.

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Identification of antagonistic activity against Fusarium, and liquid fermentation of biocontrol Bacillus isolated from wolfberry (Lycium barbarum) rhizosphere soil

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Researchers isolated a beneficial bacterium called Bacillus subtilis from wolfberry soil that effectively fights a destructive fungal disease called root rot. By optimizing how this bacterium is grown in the laboratory, they increased its ability to inhibit the disease-causing fungus by over 8%. This natural biocontrol approach could help farmers protect their wolfberry crops without relying solely on chemical pesticides.

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Isolation and identification of antagonistic fungi for biocontrol of Impatiens hawkeri leaf spot disease and their growth-promoting potential

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Researchers discovered a beneficial fungus called Fusarium solani that prevents leaf spot disease in ornamental Impatiens hawkeri plants. This fungus not only fights the disease-causing pathogen but also promotes seed germination and plant growth. The findings suggest this fungus could replace harmful chemical pesticides while simultaneously acting as a natural fertilizer, benefiting both plant health and the environment.

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A root-based N-hydroxypipecolic acid standby circuit to direct immunity and growth of Arabidopsis shoots

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Plants communicate with their shoots through chemical signals produced in their roots when soil microorganisms are present. Researchers discovered that a molecule called N-hydroxypipecolic acid acts like an on-off switch controlled by two proteins, FMO1 and UGT76B1. Beneficial fungi suppress the ‘off’ switch, allowing this signal to travel to leaves where it boosts immunity against disease. Different amounts of this signal have different effects: small amounts help the plant grow, while large amounts strengthen defenses but slow growth.

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Development of a granular bioformulation of Achromobacter xylosoxidans AX77 16S for sustainable onion white rot management and growth enhancement

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Scientists discovered a beneficial bacterium living inside onion seeds that can fight a serious fungal disease called white rot and help seeds grow better. They turned this bacterium into an easy-to-use granular product that lasts up to a year, offering farmers an environmentally friendly alternative to chemical fungicides. The product not only prevents the fungal disease but also improves seed germination and plant growth, making it a promising sustainable solution for onion farming.

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Characterisation of Plant Growth-Promoting Endophytic Bacteria from Sugarcane and Their Antagonistic Activity against Fusarium moniliforme

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Researchers isolated and identified fourteen types of beneficial bacteria living inside sugarcane plants that can fight against a harmful fungus called Fusarium moniliforme, which damages both sugarcane and rice crops. These bacteria not only kill the fungus but also help plants grow better by producing growth-promoting compounds. When used as a seed treatment, the bacteria reduced fungal infection in rice seedlings by 80%, offering a natural alternative to chemical fungicides.

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