Rice In Sri Lanka - Rice Diseases
Species of the nematode Meloidogyne cause root knot.The nematode becomes inactive after prolonged flooding.
- The disease symptoms include enlargement of the roots and the formation of galls or knots.
- The swollen female nematode can be found in the center of this tissue.
- Plants are dwarfed, yellow, and lack vigor
Deep ploughing and application of organic matter help reduce the disease condition.