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What are symptoms of nematodes to a plant?

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Nematodes suck the sap of the plants with the help of stylet and causes leaf discolouration, stunted growth, reduced leaf size and fruits and lesions on roots, galls, reduced root system and finally wilting.


What is the main symptom of nematode damage?

In general, symptoms consist of greatly reduced root systems with short, stubby roots having dark, shrunken lesions, particularly at the tips. If the root tip is destroyed, new roots may be produced above the damaged area, resulting in a highly-branched appearance (Figure 3).

How do nematodes affect plants?

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).

How do you know if you have a nematode problem?

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 the above and below signs and symptoms of plant infection with nematodes?

Galls caused on roots by root-knot nematodes, abbreviated 62 roots or stunted root growth, necrotic lesions in the root cortex, and root rotting may all be symptoms of nematode problems.

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