Many plant-parasitic nematodes feed on the roots of plants. The feeding process damages the plant's root system and reduces the plant's ability to absorb water and nutrients. Typical nematode damage symptoms are a reduction of root mass, a distortion of root structure and/or enlargement of the roots (Figure 6, 7, 8).
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.
How do nematodes cause harm to plants and humans describe?
Root-knot nematodes (RKNs) are significant pests of sweetpotato causing symptoms of infection which include: stunted plant growth, yellowing of leaves, abnormal flower production, and gall production on roots leading to decreased nutrient and water absorption and necrosis and cracking on fleshy storage roots.
What does nematode damage look like?
Typical symptoms of nematode damage can appear above and below the ground in foliage and roots. Foliar symptoms generally appear in the form of stunting of plants, premature wilting, and leaf chlorosis (yellowing).
What are symptoms of nematodes to a plant?
General symptoms from nematodes include yellowing, stunting, and wilting, accompanied by a yield decline.
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