Cowpea (Vigna unguiculata)

Powdery mildew(Erysiphe polygoni)

Symptoms

  • Disease characterized by a superficial white powdery growth on stems and leaves.
  • Lower leaves are mostly affected.
  • Heavily infected leaves become yellow, and then become dry and brown.
  • Infected tissues may be distorted and show crinkling.

Management

  • Maintain proper health of the plant

Chemical Control

Sl.No Generic Name Trade Name Color code Dosage/litre Knapsack Sprayer (Capacity 10L) Recommendation Remarks
Dosage/acre (200 L) Dosage/hectare (500 L)
1 Wettable sulphur 80 WP Dhanusul 80 WP , Dhanusulf, Ganesulf, Insulf, Microsul, Sulfex, Sulfix 80 WPSulfex80, Tagsulf, Thiovit, Wettasul green 2 g 20 g 400 g 1000 g
2 Dinocap 48 EC Arathane, Karathane Blue 2 ml 20 ml 400 ml 1000 ml
3 Carbendazim 50 WP Bavistin, Benfil, Bengard, Benlate, Benmain, Bensaan, Carben, Carziim50, Dhanustin, Dhanustin 50 WP, Fungiguard, Gancarzin50, Glizim, Mintho, Tagstin, Tiara, Zoom green 1 g 10 g 200 g 500 g
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Extremely Toxic
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Highly Toxic
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Moderately Toxic
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Slightly Toxic