How to prevent Watermelon from collar rot

  • This disease occurs due to excessive water accumulation in the field
  • In this disease, dark brown-green spots are formed on the stems.
  • The whole plant rot and die in the final stages.
  • To prevent this disease, seeds should be treated at the rate of Carbendazim 12% + Mancozeb 64% @ 3 g/ kg seed.
  • Trichoderma viride @ 1 kg + Pseudomonas fluorescens @ 1 kg make the solution in 200 litres of water and apply as root drenching or
  • Drenching at 10 days intervals by making a solution of Kasugamycin 5 + Copper Oxychloride 45 45 WP or Carbendazim 3 g or Metalexyl 8% + Mancozeb 64% WP @ 500 g / acre.
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