Two strains Neocosmospora stercicola (Sordariomycetes, Nectriaceae) with high nematicidal activity, isolated from the cysts of Globodera sp. (Heteroderidae) in China

Plant-parasitic nematodes (PPNs) are significant pests that result in considerable economic losses global crop production. Due to the high toxicity of chemical nematicides, there is a need develop new strategies for nematode control. In this context, nematophagous fungi may offer viable option biological Two fungal strains (GUCC2212 and GUCC2232) were isolated from cysts Globodera sp., identified as Neocosmospora stercicola . The filtrates evaluated their nematicidal activity against three species PPNs: Aphelenchoides besseyi , Bursaphelenchus xylophilus Ditylenchus destructor fermentation two exhibited substantial towards nematodes, with mortality rates reaching up 100% within 72 h. Concurrently, N. also demonstrated predatory parasitic behavior. eggs sp. parasitized by strains. represents newly recorded China novel species. conclusion, show promise biocontrol agents PPNs management.