root lesion nematode symptoms

Root lesion nematode aboveground symptoms on plants with severe root infection may include chlorosis, stunting, and low vigor. Infected roots may be poorly developed and bear small, brown-black lesions. Small fibrous roots may be killed.

1. What are the symptoms of nematodes?
2. What damage do nematodes cause?
3. What are the diseases caused by nematodes in plants?
4. What are the above ground symptoms of root knot infected plants?

What are the symptoms of nematodes?

Since most plant nematodes affect root functions, most symptoms associated with them are the result of inadequate water supply or mineral nutrition to the tops: chlorosis (yellowing) or other abnormal coloration of foliage, stunted top growth, failure to respond normally to fertilizers, small or sparse foliage, a ...

What damage do nematodes cause?

Nematodes are microscopic, wormlike creatures which inhabit the soil and damage the roots of plants, impairing their ability to take up water and nutrients. Symptoms of this damage include stunting, yellowing of plant leaves, and loss of plant vitality.

What are the diseases caused by nematodes in plants?

Some of the most damaging nematodes are: Root knot (Meloidogyne spp.); Cyst (Heterodera and Globodera spp.); Root lesion (Pratylenchus spp.); Spiral (Helicotylenchus spp.); Burrowing (Radopholus similis); Bulb and stem (Ditylenchus dipsaci); Reniform (Rotylenchulus reniformis); Dagger (Xiphinema spp.); Bud and leaf ( ...

What are the above ground symptoms of root knot infected plants?

Root-knot nematodes do not produce any specific above-ground symptoms. Affected plants have an unthrifty appearance and often show symptoms of stunting, wilting or chlorosis (yellowing). Symptoms are particularly severe when plants are infected soon after planting.