Crossandra (Crossandra infundibuliformis)

Leaf spot(Alternaria sp)

Responsive image

Symptoms

Responsive image
  • Small, circular or irregular yellow spots on infected leaves.
  • Spots may combine or enlarge with concentric zonations.
  • Yellowing and dropping are seen.

Management

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 Dithane , Dithane M-45 , Hilthane Hindustan M-45 , Indofil M-45,Izeb M-45 , Manzate , Luzen 45 ,Macoban M-45, Mancosaan , Mancosaan M-45 Manzeb 75 WP , 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
2 Carbendazim 50 WP Bavistin, Benfil, Bengard, Benlate, Benmain, Bensaan, B-stin 50 WP, JK Stein 50 WP Carben, Carziim 50, Dhanustin, Dhanustin 50 Wp, Fungiguard Gancarzin 50, Glizim, Mintho Tagstin, Tiara, Zoom Green 1 g/litre of water 10 g 200 g 500 g
Responsive image
Extremely Toxic
Responsive image
Highly Toxic
Responsive image
Moderately Toxic
Responsive image
Slightly Toxic