Symptoms of White Rust: In the initial stage of this disease, white or almond-coloured spots appear on the lower surface of the leaves, along with the upper surface of the leaves becoming yellow or pink. Later these small spots merge into each other and take a big form and white particles start coming out from it and the disease spreads. In severe conditions, the leaves dry up and fall. If this disease is visible in the stem and inflorescence of the plant, Yield can be reduced by 60-70%. 

Control: To control this disease, spray Novaxyl (Metalaxyl 8% Mancozeb 64% WP) @ 1 kg and Tri Dissolve Maxx 200 gm per acre in 150 to 200 liters of water.

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