Tea (Camellia sinensis)

Black root rot (Rosellinia arcuate)

Symptoms

  • Common in areas, which were previously under jungles.
  • The common symptoms are wilting, chlorosis, drying without defoliation
  • Death of bush.

Management

  • Remove surface mulches around 10 metres.
  • Drench soil with mancozeb 30 g per 10 litres of water.
  • Follow phytosanitary measures.
  • Biocontrol agents Trichoderma or Gliocladium (200 g per pit) may be incorporated at the time of planting.