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Symptoms

SesameSource updated Apr 2023
Symptoms White powdery growth on upper surface later turns greyish forming cleistothecia Flowers and young capsules affected. Premature shedding. Identification of pathogen Mycelim: Intercellular Asexual spore: Conidia Sexual spore: Ascospores Conidia Favourable Conditions Warm sultry weather Mode of Spread and Survival Air borne conidia and ascospores in the debris Management Wettable sulphur 80 WP @ 1 kg/ha twice at 15 days interval, starting from 3 months after sowing. Apply sulphur dust @ 25 kg/ha.
  • White powdery growth on upper surface later turns greyish forming cleistothecia
  • Flowers and young capsules affected.
  • Premature shedding.

Identification of pathogen

  • Mycelim: Intercellular
  • Asexual spore: Conidia
  • Sexual spore: Ascospores

Conidia

  • Warm sultry weather

Mode of Spread and Survival Air borne conidia and ascospores in the debris

  • Air borne conidia and ascospores in the debris
  • Wettable sulphur 80 WP @ 1 kg/ha twice at 15 days interval, starting from 3 months after sowing.
  • Apply sulphur dust @ 25 kg/ha.