Symptoms

• Symptom appears on leaves and fruits.
• On lower side of the leaf lesion appear as olivaceous spots which turn dark brown to black and become velvety.
• On young foliage, the spots have a radiating appearance with a feathery edge.
• On older leaves the lesions are more definite in outline.
• The lesion may form a convex surface with corresponding concave area on the opposite side.
• In severe infection leaf blade curved, dwarfed and distorted.
• Fruits show small, rough, black circular lesions.
• The centre of the spots become corky and on mature fruits, yellow halo is seen around the lesions.

Management

• Clean cultivation, collection and destruction of fallen leaves and pruned materials in winter to prevent the sexual cycle.
• Spray Tridemorph 0.1% before flowering.
• Spray Mancozeb 0.25 % at bearing stage.
• Spray 5 % urea prior to leaf fall in autumn and 2 % before bud break to hasten the decomposition of leaves.

1

2

5

S.No

Tree stage

Fungicide/100lit

Silver tip to given tip

Captafol 200 gm (or) Captan 300 g or Mancozeb 400 g

3

4

Pink bud or 15 days after 1 st spray

Captan 250 g or Mancozeb 300 g

Petal fall

Carbendazim 50 g

10 days later

Captan 200 g.or Mancozeb 300g

14 days after fruit set

Captofol 150 g

• Add stickers – teepol or triton 6 ml/10 lit of spray fluid.