Garlic (Allium sativum)

Onion smut(Urocystis cepulae)

Symptoms

  • Smut appears as elongated dark, slightly thickened areas near the base of seedlings.
  • The black lesions appear near the base of the scales on planting.
  • The affected leaves bend downwards abnormally.
  • On older plants, numerous raised blisters occur near the base of the leaves.
  • The lesions on plant at any stages often expose a black powdery mass of spores.

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 Carbendazim 50 WP Bavistin, Benfil, Bengard, Benlate, Benmain, Bensaan, Carben, Carziim50, Dhanustin, Dhanustin 50 WP, Fungiguard, Gancarzin50, Glizim, Mintho, Tagstin, Tiara, Zoom Green 2 g/litre of water/kg of seed - - - Seed treatment
2 Mancozeb 75 WP Devidayal M-45, Dhanuka M 45, Dhanuka M-45, Dithane, Dithane M-45, Hilthane, Hindustan M 45, Indofil M 45, Izeb M-45 Manzate, Luzen-45, Macoban, Macoban M-45, Mancosaan, Mancosaan M-45, Maneb Manzane, M-Guard, Savour M 45, Tata M-45 Eurofil-NT, Uthane M-45, Veera, Zinthane Green 4 g/litre of water/kg of seed - - - Seed treatment
3 Thiram 75 WS Hexathir, Tagithram, Thiram 75 DS, Thiride, Vegfru Thiram Blue 4 gm/kg of seed - - - Seed treatment
4 Mancozeb 75 WP Devidayal M-45, Dhanuka M 45, Dhanuka M-45, Dithane, Dithane M-45, Hilthane, Hindustan M 45, Indofil M 45, Izeb M-45 Manzate, Luzen-45, Macoban, Macoban M-45, Mancosaan, Mancosaan M-45, Maneb Manzane, M-Guard, Savour M 45, Tata M-45 Eurofil-NT, Uthane M-45, Veera, Zinthane Green 3 g/litre of water 30 g 600 g 1500 g -
5 Carboxin 75 WP Carboxin 75 WP Blue 1 g/litre of water 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