Research Topic: Agricultural Biotechnology

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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Cytophysiological manifestations of wheat’s defense reactions against stem rust induced by the biofungicide Novochizol

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Novochizol, a new type of chitosan-based treatment, helps wheat plants defend themselves against stem rust by triggering natural immune responses. When wheat seedlings are treated with Novochizol four days before rust infection, the plants accumulate protective molecules like hydrogen peroxide and phenolic compounds that kill many of the rust fungus colonies before they can spread. This reduces disease damage by 50-55% compared to untreated plants, offering a promising biological alternative to synthetic fungicides.

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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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Mycorrhizal symbiosis and application of vitamin B3-treated Trichoderma Harzianum HE24 additively trigger immunity responses in faba bean plants against Rhizoctonia root rot and promote the plant growth and yield

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Researchers found that combining a beneficial fungus called Trichoderma harzianum with vitamin B3 and mycorrhizal fungi can effectively protect faba bean plants from root rot caused by Rhizoctonia solani. This combined treatment boosted the plant’s natural defense systems and significantly improved plant growth and seed production. The approach offers an environmentally friendly alternative to chemical fungicides for controlling this destructive plant disease.

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Microbe-induced gene silencing of fungal gene confers efficient resistance against Fusarium graminearum in maize

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Scientists developed a new method called microbe-induced gene silencing (MIGS) to protect maize crops from a destructive fungus called Fusarium graminearum, which causes stalk rot. They engineered a beneficial fungus (Trichoderma harzianum) to produce small RNA molecules that target and disable a critical gene in the pathogenic fungus, weakening its ability to infect plants. When maize seedlings were grown with this engineered beneficial fungus, they showed significantly better growth and reduced fungal infection compared to untreated plants. This approach offers an environmentally friendly alternative to chemical pesticides and does not require genetically modifying the crop itself.

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Expression and antiviral application of exogenous lectin (griffithsin) in sweetpotatoes

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Scientists successfully created sweetpotato plants that produce griffithsin, a powerful antiviral protein found in marine algae. When these modified plants were grown in fields, they resisted a devastating sweetpotato virus disease that normally destroys crops. Interestingly, the virus-fighting mechanism works differently in plants than in animals—instead of directly blocking the virus, griffithsin triggers the plant’s own natural antiviral defense genes.

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