Nematode Management for Legumes

Almost all types of soil contain phytoparasitic nematodes, which make up one of the largest animal phyla and can survive in a variety of global habitats. These nematodes eat plant roots, damaging and distorting the plants. Plants contract diseases and viruses from the saliva of nematodes, which not only destroy plants but also weakens them such as they are more susceptible to other diseases. Nematodes may also affect the marketability of plants by disfiguring them and giving them a lower resale value.

Root knot nematodes are the most damaging nematode pests of legumes, but other species such as reniform, stubby-root and sting nematodes can be pests depending on the crop and conditions. These microscopic worms feed and develop in the roots which can reduce the plant capacity for nutrient and water utilization. The feeding can also provide points for entry of soil pathogens such as root rot and wilt diseases. Above-ground symptoms of high infestations can be patchy areas of chlorotic, stunted, or wilted plants. Even when symptoms are not obvious, nematodes can significantly reduce yields.

Compatible with other beneficial mycorrhizal fungi as well as other seed treatment products, Aveo™ EZ protects crops from nematode damage. Aveo EZ contains the bacteria, Bacillus amyloliquefaciens strain PTA 4838 that works to colonize plant roots, creating a bio-barrier that prevents nematode penetration of the roots. Aveo EZ can also cause juvenile nematode paralysis making the pest immobile and unable to damage the crop.

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