Ring nematodes are not thought to be terribly damaging to most grasses but can be disastrous to many woody plant species. In my opinion, the best defense for nematode control is to optimize growing conditions for turfgrass. Adequate water, correct fertilization, and proper mowing height will usually enable the grass to live through a bad nematode infestation or you may want to consider another grass species. Most turfgrasses are susceptible to nematodes with one exception. However, bahiagrass is considered to produce a poor quality turf and the rapidly emerging seed head is a nuisance in the growing season.
Nematodes are a major problem on most vegetable crops.
Root knot nematode is a major pest of these vegetables in the Cape Fear region. Now is a great time of year to begin planning your summer garden and to take preventative measures against future nematode problems in your vegetable plantings. Use plant varieties that are resistant to nematodes. In addition, a soil high in organic matter will usually have fewer nematode problems than an inorganic sandy soil. Poultry offal, fish scales, and shrimp shells make a wonderful soil amendment when properly composted.