Nematicide Information: Using Nematicides In Gardens

By Mary H. Dyer, Master Naturalist and Master Gardener, What are nematicides, and what do you need to know about using nematicides in gardens? In simple terms, nematicides are chemicals used to kill nematodes – tiny, parasitic worms that live in water or soil. Although the threadlike critters are microscopic, they can cause major damage when they feed on plant tissue or roots. Looking for more nematicide information? Read on. Nematicide Information Using nematicides in gardens, gardeners have access to two common nematicide products. There are numerous formulations within each type. Fumigant nematicides are dispersed rapidly as a gas through the spaces in the soil, thus killing the nematodes living within those spaces. Fumigant nematicides are most effective in moist but well-drained soil with relatively low levels of organic material. Non-fumigant (non-volatile) nematicides are sold as liquids or granules that are applied to the soil surface or mixed into


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