Research Topic: fungicides

Fusarium spp. in Metalworking Fluid Systems: Companions Forever

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Researchers analyzed over 48,000 metalworking fluid samples from machines worldwide over 10 years and found that fungal contamination is very common, especially on machine surfaces. While companies add chemicals called fungicides to prevent fungal growth, these chemicals have limited effectiveness and fungi often survive or adapt to them. As regulations increasingly restrict these fungicides, the manufacturing industry will need to find new ways to prevent fungal contamination by changing the chemical composition of metalworking fluids themselves.

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The Stress of Fungicides Changes the Expression of Clock Protein CmFRQ and the Morphology of Fruiting Bodies of Cordyceps militaris

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Researchers treated a medicinal mushroom (Cordyceps militaris) with antifungal drugs at non-lethal doses and found that this stress affected the mushroom’s internal clock and fruiting body development. Interestingly, while most fungicides caused the fruiting bodies to degenerate, one drug (5-fluorocytosine) surprisingly rejuvenated degenerated strains. The effects persisted even after removing the drugs, suggesting fungicides cause lasting changes to the mushroom’s circadian rhythm.

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Design, synthesis, and antimicrobial evaluation of novel 1,2,4-triazole thioether derivatives with a 1,3,4-thiadiazole skeleton

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Scientists created 17 new chemical compounds that can fight harmful fungi and bacteria that damage plants. One of these compounds, called 9d, proved to be even more effective than existing commercial pesticides at fighting plant diseases. Tests on kiwifruit showed that this new compound could protect and treat bacterial infections better than currently available treatments. These new compounds could help protect crops and reduce reliance on older pesticides.

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Application of Nanocomposites-Based Polymers on Managing Fungal Diseases in Crop Production

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Scientists are developing tiny particles made from natural materials like chitosan to protect crops from fungal diseases. These nanoparticles work better than traditional fungicides and can be combined with metals or plant extracts to boost their effectiveness. The new approach is more environmentally friendly and can reduce crop loss caused by fungal infections while maintaining sustainable agricultural practices.

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One-Pot Synthesis of Chiral Succinate Dehydrogenase Inhibitors and Antifungal Activity Studies

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Scientists developed a new method to create potent antifungal medications that can protect crops from destructive fungal diseases. By carefully controlling the molecular structure (chirality) of the compounds, they created drugs that are significantly more effective and potentially less toxic than existing treatments. Testing showed that the new compound called (S)-5f works 76 times better against gray mold fungus than its mirror-image counterpart, similar to how your left and right hands have the same shape but can’t be superimposed.

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Co-application of dazomet and azoxystrobin reconstructs soil microbial communities and suppresses the violet root rot of Codonopsis tangshen under a continuous cropping system

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Researchers found that treating soil with a combination of dazomet fumigant and azoxystrobin fungicide effectively eliminated violet root rot disease in Codonopsis tangshen plants grown repeatedly on the same land. The treatment worked by killing harmful disease-causing fungi while promoting beneficial soil bacteria that protect plant roots. This approach increased crop yield by 5-6 fold while maintaining important medicinal compounds in the plant roots, offering farmers a sustainable solution to a serious agricultural problem.

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