The soybean cyst nematode sucks the vitamins out of soybean roots, inflicting greater than $1 billion in soybean yield losses within the U.S. every year. A brand new research finds that one kind of fungi can minimize the nematodes’ reproductive success by greater than half. The researchers report their findings within the journal Plant Disease.
Earlier research has discovered that fungi within the soil that type mutually useful relationships with soybeans and different vegetation can affect the success of plant-parasitic nematodes, together with SCN. However, the effectiveness of utilizing these “arbuscular mycorrhizal fungi” to thwart plant parasitic fungi varies from research to check, making growers reluctant to embrace this as a technique of management, Hartman mentioned.
The researchers inoculated younger soybean crops with fungi and SCN in greenhouse experiments. By the top of the experiment, all five fungal species had diminished the variety of SCN cysts within the roots. The bottom variety of cysts occurred on vegetation inoculated with the fungus Funneliformis mosseae. These averaged 10 cysts per plant. Soybean vegetation that wasn’t inoculated with fungi accrued 75 or extra cysts per plant.
Additional experiments with F. mosseae revealed that publicity to the fungus decreased the variety of juvenile nematodes on the crops by greater than half. This analysis showed that the fungal spores and their exudates undermine nematode egg hatching, she stated.