Research Keyword: root rot

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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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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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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Fusarium suttonianum Identified as the Causal Agent of Root Rot in Plukenetia volubilis in Peru

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Scientists in Peru discovered that a fungus called Fusarium suttonianum is causing root rot disease in sacha inchi plants, an important crop known for its omega-3 rich seeds. Using both traditional microscopy and modern DNA testing, researchers confirmed this fungus as the culprit and demonstrated it can cause the same disease symptoms in healthy plants. This discovery is important for farmers because it provides the first scientific identification of this disease threat in Peru, enabling the development of better disease prevention and control strategies.

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