antagonistic activity

Innovative fungal bioagents: producing siderophores, IAA, and HCN to support plants under salinity stress and combat microbial plant pathogens

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Scientists discovered two beneficial fungi that help wheat plants survive in salty soil and resist diseases. These fungi work by producing growth-promoting substances and natural compounds that fight harmful plant pathogens. When used to treat wheat seeds, these fungi significantly improved plant growth even under high salt stress conditions, offering a natural alternative to chemical fertilizers and pesticides for farming in salt-affected areas.

Efficacy of Trichoderma longibrachiatum SC5 Fermentation Filtrate in Inhibiting the Sclerotinia sclerotiorum Growth and Development in Sunflower

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Scientists studied a beneficial fungus called Trichoderma longibrachiatum that can fight a harmful mold (Sclerotinia sclerotiorum) which damages sunflower crops. They discovered that liquid containing products from this beneficial fungus can significantly stop the harmful mold from growing, prevent it from forming protective survival structures called sclerotia, and reduce its ability to infect plants. When tested on sunflower leaves, this fungal liquid was highly effective at both preventing disease before infection and stopping disease after infection had started.

Evaluation of Streptomyces sporoverrucosus B-1662 for biological control of red pepper anthracnose and apple bitter rot diseases in Korea

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This research evaluated a naturally occurring bacterium called Streptomyces sporoverrucosus B-1662 as a biological alternative to chemical fungicides for controlling fungal diseases on red peppers and apples. Laboratory and field tests demonstrated that this bacterium can reduce disease symptoms by over 90%, making it a promising option for organic farmers seeking to protect their crops without synthetic chemicals. The study identified the specific compound responsible for the bacterium’s effectiveness and provided detailed information about its genetic makeup.

Characterization of Two Potential Biocontrol Bacillus Strains Against Maize Stalk Rot

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Scientists discovered two beneficial bacteria, Bacillus subtilis and Bacillus siamensis, that can protect maize plants from a serious fungal disease called stalk rot. These bacteria work in two ways: they directly kill the fungus and they promote healthy plant growth. By analyzing the bacteria’s genetic makeup, researchers found that they produce multiple natural antibiotic compounds that explain their powerful disease-fighting abilities. This research suggests these bacteria could be used as a natural, environmentally-friendly alternative to chemical fungicides for protecting crops.

Trichoderma brevicompactum 6311: Prevention and Control of Phytophthora capsici and Its Growth-Promoting Effect

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Researchers isolated a beneficial fungus called Trichoderma brevicompactum from pepper plant soil that can fight a serious disease affecting peppers worldwide. This fungus not only kills the disease-causing pathogen but also helps pepper plants grow better. The study shows this fungus works through multiple mechanisms including wrapping around harmful fungi and producing growth-promoting compounds. This offers farmers an environmentally friendly alternative to chemical pesticides for protecting their pepper crops.

Streptomyces-Based Bioformulation to Control Wilt of Morchella sextelata Caused by Pestalotiopsis trachicarpicola

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Researchers discovered two beneficial bacteria called Streptomyces that can protect morel mushrooms from a harmful fungus causing wilt disease. When applied to morel cultivation fields, these bacteria not only prevented disease but also increased mushroom yields by about 30% compared to untreated fields. This natural biocontrol approach offers farmers an eco-friendly alternative to chemical treatments while boosting their harvests.

Strains of Aureobasidium pullulans from Extreme Environments: New Potential Biocontrol Agents?

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Researchers studied yeast strains collected from extreme environments like deserts and cold coastlines to find natural solutions for protecting fruit crops. They found that Aureobasidium pullulans, a black yeast that thrives in harsh conditions, can effectively control brown rot disease on peaches. The strains showed remarkable ability to survive extreme temperatures and pH levels, making them promising candidates for environmentally friendly crop protection that could help agriculture adapt to climate change.

Biocontrol of Cercospora leaf spot in sugar beet by a novel Bacillus velezensis KT27 strain: Enhanced antifungal activity and growth promotion in laboratory and field conditions

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This research demonstrates that a beneficial bacteria called Bacillus velezensis KT27 can effectively control a common fungal disease in sugar beet crops. The bacteria fights the disease by producing natural antifungal compounds and can be further enhanced by exposure to inactivated fungal pathogens. Field trials showed the bacterial treatment provided disease protection almost as good as chemical fungicides while also promoting plant growth and increasing sugar beet yield by up to 15%.

Biocontrol Potential of Trichoderma Ghanense and Trichoderma Citrinoviride toward Pythium aphanidermatum

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Researchers identified two native Trichoderma fungi species that can protect cucumber plants from a destructive soil disease caused by Pythium. In laboratory and greenhouse tests, these beneficial fungi blocked pathogen growth and significantly improved plant survival and growth compared to untreated plants. These findings suggest these natural fungi could replace harmful chemical fungicides for protecting cucumbers and other crops.

Screening, Identification, and Fermentation Optimization of the Antagonistic Actinomycete Strain TCS21-117 Against Botrytis cinerea

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Scientists isolated a beneficial bacterium called Streptomyces roietensis from soil that effectively fights gray mold, a serious fungal disease affecting crops worldwide. They identified the strain and optimized growing conditions to maximize production of antifungal compounds, achieving 93% effectiveness against gray mold. This discovery offers a natural, environmentally-friendly alternative to chemical fungicides for protecting agricultural crops, potentially reducing crop losses and environmental pollution.

Research Keyword: antagonistic activity