Disease: crown rot

Inhibition of RNase to Attenuate Fungal-Manipulated Rhizosphere Microbiome and Diseases

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Fusarium fungi cause major crop diseases by using a protein called Fg12 that kills helpful bacteria in plant roots, making it easier for the fungus to infect crops. Scientists discovered that a compound called GMP blocks Fg12’s harmful activity and restores beneficial bacteria, reducing disease symptoms in soybeans and alfalfa by 47-75%. This discovery offers a new chemical strategy to protect crops from fungal infections by disarming this key fungal weapon.

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Inhibition of RNase to Attenuate Fungal-Manipulated Rhizosphere Microbiome and Diseases

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A fungal pathogen that causes root rot in soybeans and other crops uses a toxic protein called Fg12 to kill beneficial bacteria in the soil that would otherwise protect plants. Scientists discovered that guanosine monophosphate (GMP), a simple chemical compound, can block this toxic protein. When applied to soil, GMP protects plants by allowing beneficial bacteria to survive and fight the fungal infection.

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Inhibition of RNase to Attenuate Fungal-Manipulated Rhizosphere Microbiome and Diseases

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Fusarium fungi cause devastating crop diseases by producing a protein called Fg12 that acts like a molecular weapon to kill beneficial bacteria in the soil around plant roots. Scientists discovered that a simple compound called GMP can block this fungal weapon, preventing the pathogen from suppressing protective bacteria. By treating seeds or soil with GMP, farmers can significantly reduce root rot in soybeans and alfalfa while promoting plant growth.

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The Heterogeneity of Ornamental Plants in Nurseries Increases the Chance of Finding New Hosts for Phytophthora

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Ornamental plant nurseries in Mexico are frequently affected by Phytophthora pathogens that cause rotting, wilting, and dieback in flowers and ornamental plants. This study identified seven different Phytophthora species infecting 13 types of ornamental plants in Mexican nurseries, including two species never before reported as hosts for the pathogen anywhere in the world. The diversity of plants grown together in nurseries increases the likelihood that the pathogen will spread to new host plants and escape to home gardens and natural ecosystems.

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Volatile Metabolome and Transcriptomic Analysis of Kosakonia cowanii Ch1 During Competitive Interaction with Sclerotium rolfsii Reveals New Biocontrol Insights

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This research demonstrates how a beneficial bacterium called Kosakonia cowanii Ch1 can fight a harmful fungus that damages crops. The bacterium produces volatile chemicals that inhibit fungal growth and shows different gene activity depending on whether these chemicals are present. When the beneficial bacteria and fungus compete together with the volatiles present, the bacteria win by producing gas bubbles and effectively stopping the fungus. These findings suggest a natural alternative to chemical fungicides for protecting crops.

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Identification of a Novel Pathogen of Peanut Root Rot, Ceratobasidium sp. AG-A, and the Potential of Selected Bacterial Biocontrol Agents

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Scientists in China discovered a new fungal disease causing peanut root rot, identified as Ceratobasidium sp. AG-A. They tested three types of beneficial bacteria as natural pest control agents and found they effectively inhibited the disease-causing fungus while promoting peanut plant growth. These findings offer farmers an environmentally friendly alternative to chemical fungicides for managing this newly identified threat to peanut crops.

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Comprehensive analysis of the mechanisms conferring resistance to phenamacril in the Fusarium species

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Fusarium fungi cause serious diseases in crops like wheat, corn, and fruits, causing huge losses in agriculture worldwide. Phenamacril is a new antifungal drug designed specifically to fight these fungi by blocking a protein they need to grow. However, the fungi are developing resistance to this drug through genetic mutations and other biological mechanisms, making it less effective over time. Understanding how this resistance develops helps scientists develop better strategies to maintain the drug’s effectiveness and protect our food supply.

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