biological control – Page 2

In Vitro and Field Effectiveness of the Combination of Four Trichoderma spp. Against Sclerotinia sclerotiorum and Its Impact on Potato (Solanum tuberosum L.) Crop Production

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This study tested whether four types of beneficial fungi (Trichoderma species) could control white mold disease on potato plants in Mexico. Both laboratory tests and field trials showed these fungi were very effective at killing the disease pathogen and stopping mold formation. Potatoes treated with the fungal mixture produced higher yields than those treated with chemical fungicides alone, suggesting this natural approach could replace many chemical pesticides.

Molecular and Biological Characterization of an Isolate of Fusarium graminearum dsRNA mycovirus 4 (FgV4) from a New Host Fusarium pseudograminearum

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Scientists discovered a virus that infects the fungus responsible for wheat crown rot disease. When this virus infects the fungus, it slows down the fungus’s growth and reduces its ability to cause disease in wheat plants. This finding suggests the virus could potentially be used as a natural biological control method to protect wheat crops from crown rot disease, offering an environmentally friendly alternative to chemical fungicides.

The Effect of Mushroom Culture Filtrates on the Inhibition of Mycotoxins Produced by Aspergillus flavus and Aspergillus carbonarius

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Researchers tested extracts from 42 different mushroom species to find ones that could prevent harmful toxins produced by mold from contaminating our food and animal feed. They discovered that two mushroom species—turkey tail mushroom and a species called Schizophyllum commune—produced compounds that blocked over 90% of toxin production. These mushroom compounds work by boosting the mold’s natural defense systems, essentially making it unable to produce the dangerous toxins.

Draft genome of Conoideocrella luteorostrata ARSEF 14590 (Clavicipitaceae), an entomopathogenic fungus with a wealth of biosynthetic and biocontrol potential

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Scientists have sequenced the complete genome of a fungus that naturally kills elongate hemlock scale insects, pests that damage Christmas trees. The fungus contains genes for producing cephalosporin, a well-known antibiotic, and other bioactive compounds. This discovery opens new possibilities for using this fungus as a natural pest control method and potentially developing new medicines from its biological compounds.

Effect of Rare, Locally Isolated Entomopathogenic Fungi on the Survival of Bactrocera oleae Pupae in Laboratory Soil Conditions

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Researchers tested seventeen types of fungi found in Greek olive groves to see if they could kill olive fruit flies, which damage about 30% of olive crops. They applied the fungi to fly pupae in soil and without soil, then tracked how many flies died and how much fungal growth appeared. Several fungi types, especially Aspergillus flavus and A. keveii, were very effective at killing the flies and could potentially replace harmful chemical pesticides used in olive farming.

Identification and potential of the hyperparasite Acremonium persicinum as biocontrol agent against coffee leaf rust

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Coffee farmers face major losses from rust disease, and traditional fungicide treatments have become less effective over time. Scientists in China discovered a microscopic fungus called Acremonium persicinum that naturally attacks and kills coffee rust pathogens. Laboratory tests showed this beneficial fungus could eliminate over 90% of rust spores and completely prevent rust infection on coffee leaves, offering a natural and environmentally-friendly solution for protecting coffee crops.

Exploring fungal pathogens to control the plant invasive Rubus niveus on Galapagos Island San Cristobal

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Hill raspberry is a problematic invasive plant covering vast areas of the Galapagos Islands and harming native species. Researchers collected diseased Hill raspberry samples and identified five fungal pathogens that naturally infect the plant. These fungi have potential to be developed as biological control agents to manage the invasive species without using chemical herbicides. Further testing is needed to ensure these fungi only target Hill raspberry and do not harm other plants.

The Efficacy of Clove Oil Against Aspergillus flavus and the Production of Aflatoxin B1 in Organic Peanuts in Georgia

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Researchers tested clove essential oil as a natural antifungal treatment for peanuts infected with a mold that produces aflatoxin, a dangerous toxin harmful to human health. They found that clove oil significantly reduced both the mold growth and toxin production, with the best results at moderate concentrations. This discovery offers organic farmers an eco-friendly alternative to synthetic fungicides for protecting their peanut crops. The findings could help reduce a major agricultural problem that costs the Southeast millions of dollars annually.

Volatile Organic Compounds Produced by Co-Culture of Burkholderia vietnamiensis B418 with Trichoderma harzianum T11-W Exhibits Improved Antagonistic Activities against Fungal Phytopathogens

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Scientists studied how two beneficial microorganisms (a bacterium and a fungus) work together to produce compounds that kill plant-damaging fungi. When grown together, they produced more protective compounds than when grown separately, showing promise as a natural alternative to chemical fungicides for protecting crops and stored fruits from fungal diseases.

Dynamic proteomic changes and ultrastructural insights into Pochonia chlamydosporia’s parasitism of Parascaris equorum eggs

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Researchers studied how a parasitic fungus called Pochonia chlamydosporia infects and destroys the eggs of harmful parasitic worms found in horses. Using advanced imaging and protein analysis, they discovered that the fungus uses different strategies at different stages of infection: first it attaches and creates damage, then it breaks down the egg shell, and finally it consumes the contents. This fungus could be used as a natural, eco-friendly solution to control parasitic worm infections in animals.

Research Topic: biological control