China Aster (Callistephus chinensis)

Collar and root rot (Rhizoctonia solani)

Symptoms

  • Roots of the plant decay (result of excess water).
  • Very difficult for the roots to get the air that they need, causing them to decay.
  • Show yellowing of the leaves.

Management

  • Provide drainage.

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 Copper Oxychloride 50 WP Bensaan, Blitox, Blue copper, Bluetrox, Copter, Cupramar, Cuprina, Dhanucop, Fytolan, Fytox, Fytran, Fytolan, Hilcopper, Killex copper, Maincop Dhanucop, Star cop, Tagcop, Trucop Blue 2 g/ litre of water 20 g 400 g 1000 g Planting pits should be drench prophylatically
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Extremely Toxic
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Highly Toxic
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Moderately Toxic
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Slightly Toxic