Research Keyword: anastomosis groups

Rhizoctonia solani causes okra (Abelmoschus esculentus) seedling damping-off in South China with biological characterization and fungicide sensitivity profiling

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Researchers identified Rhizoctonia solani as the fungus causing a serious disease in okra seedlings in southern China that was destroying about 35% of crops. The fungus dies when exposed to high temperatures (45-48°C) and grows best at about 28°C. Among seven tested antifungal treatments, a combination of trifloxystrobin and tebuconazole was most effective at controlling the pathogen, providing farmers with practical strategies for managing this crop disease.

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Revisiting the emerging pathosystem of rice sheath blight: deciphering the Rhizoctonia solani virulence, host range, and rice genotype-based resistance

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Researchers studied a fungus that causes rice leaf disease in Egypt by isolating and testing different strains to understand why some were more damaging than others. They found the most aggressive strain produced more enzymes that break down plant cell walls, making it more harmful. The team also tested which rice varieties were naturally resistant to the disease and identified specific genes that could help breeders develop disease-resistant rice varieties without needing fungicide chemicals.

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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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