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Symptoms

This is a fungal disease occuring the rainy season.It affects the leaves ,tender shoots, panicles and capsules.On the infected leaves,water soaked lesions appear first and rotting and sheddding of leaves along the veins occur there after.

The infected capsules become dull greenish brown and decay.Thisn emits a foul smell and subsequently shed.Infection spreads to the panicle also.

Management

  • Trashing and destruction of the infected parts should be done as a phytosanitary measure just prior to the onset of southwest monsoon.
  • Spray the shoots with 1 percent Bordeaux mixture with adhesive by the commencement of the monsoon and continue the spraying operation two or three times upto November-December according to the intesity of the disease and rainfall.
  • Trichoderma can be used along with cowdung for controlling this disease.