Damping off / rhizome rot / clamp rot – Pythium vexans, Fusarium oxysporum, Rhizoctonia solani, Phytophthora

Symptoms

• Infected leaves become pale, yellow and ultimately the young leaves die.
• Older leaves die prematurely and new shoots that arise are weak, decay and the rhizomes rot at the base of the stem.
• The diseased shoot can be pulled out easily.

Management

• Destruction of diseased clumps.
• Providing proper drainage
• Changing the nursery site
• Drenching the nursery beds with Copper oxychloride 0.25% or Bordeaux mixture 0.5%, before 15 days of sowing.
• Soil drenching with B.M 1% (or) PCNB 1.0%