Phavophloeospora leaf spot
Phavophloeospora leaf spot
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C.O.: Phavophloeospora indica

Symptoms:

• Symptoms appear on leaves as small, pinkish to dark brown scattered circular spots visible on both surfaces.
• Later they coalesce and the affected leaves fall off .

Favourable conditions:

• It is severe during Oct- Dec. The fungus grows best at 250 C at 90% R.H.

Management :

• Spraying 0.2% Zineb or ziram or Copper oxychloride 0.25% control the disease.

Glomerella Lef spot
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C.O.; Glomerella cingnlata

Symptoms:

• Symptoms appear as yellow irregular spots on the leaves.
• In severe infection the leaf turns yellow. Diseased portion turn grey to dark olive.
• Large no. of fruiting bodies of the fungus seen as minute black structures on the spots.

Management:

• The disease is controlled by spraying with Carbendazim 0.05% or zineb 0.2% at month interval.

Wilt of sapota:
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Symptoms:

• Infected plant become yellowing and slowly wilting.

Management:

• Application of Trichoderma at time of planting. Initial symptoms developed drenching with Carbendazim 0 .05%