A synergistic alliance between nematophagous fungi and organic matter against plant-parasitic nematodes: a systematic review.
Ramatsitsi N, Manyevere A, Dzvene AR
Soil Health
Compost and wood-chip mulch you add to your garden beds may be quietly supercharging beneficial fungi that protect your vegetable roots from invisible nematode damage — and this research explains exactly why that combination works better than either ingredient alone.
Tiny roundworms called nematodes live in soil and attack plant roots, stunting or killing crops worldwide. Certain soil fungi naturally hunt and kill these worms, and it turns out adding compost or other organic matter makes those fungi far more effective — they survive longer, spread better, and kill more nematodes when organic matter is present. Scientists reviewed decades of studies to confirm this partnership is real and to figure out which fungi and which organic materials work best together.
Key Findings
33 studies (screened from 603 publications) confirm a synergistic effect: nematode suppression is greater when nematophagous fungi and organic matter are combined than when either is applied alone.
Trichoderma species dominate commercial biocontrol products, while Paecilomyces species are most commonly studied in organic-matter-enhanced systems; newer genera like Talaromyces and Pochonia remain underutilized in field conditions.
The type and quantity of organic matter, fungal species compatibility, soil conditions, and timing of amendment incorporation are all critical variables that modify how well the fungi-organic matter combination performs.
chevron_right Technical Summary
A systematic review of 33 studies finds that combining nematode-trapping fungi with organic matter in soil significantly outperforms either treatment alone in controlling plant-parasitic nematodes — microscopic worms that cost farmers billions annually in crop losses.
Abstract Preview
Nematophagous fungi (NF) are essential biological control agents for managing plant-parasitic nematode (PPN) populations, which cause significant global crop losses. Through its effects on soil mic...
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