Pytophthora root rot

Decay of lateral roots and lower portion of the tap root      General Information : caused by Phytophthora medicaginis. Incidence is high in water stagnating areas.      Symptoms : Yellowing and drying of foliage and decay of lateral roots and the lower portion of the tap root. On the upper portion of the tap root, dark brown to black lesions are seen,which in some cases extend to the stem base. Dead plants are seen scattered in the field. Symptoms can be easily confused with that of wet root rot.    Control : Growing of resistant varieties. A fungicide seed dressing containing metalaxyl can provide up to 4 weeks protection upto seedling stage. Plant die due to phytopthora root rot