Tuberose (Poliantha tuberosa)

Leaf spot (Alternaria polyanth)

Symptoms

  • Vary in size, shape, colour and form of the leaf spot
  • Spots are brown with concentric rings at the center.
  • Affected leaves become yellow and drop prematurely.

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 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 Soil drenching
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Extremely Toxic
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Highly Toxic
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Moderately Toxic
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Slightly Toxic