Tropical & Subtropical Fruits

Pests and Diseases

Pests

• Mealy bug: Planococcus pacificus
• Sometimes, new growth of custard apple tree during spring is severly affected by Aphids and Jassids – these pests are effectively controlled with the spray of Monocrotophos at 0.2% or Rogar at 0.1% concentration.
Diseases

• Collar rot and Root rot: Pithium sp., Phytophthora sp. – The seedlings are affected, incidence is more severe when there is problem with drainage.
• Antrhacnose: Glomerella cingulata – It affects on fruits, infections start at blossom end and later spreads on entire fruit surface, affected fruits may fall down from tree.
• Leaf spot: Cercospora anonae – Brown spots on leaves, under severe condition leaves fall down.
• Fruit rot: Phomophsis anonacearum – Rotting of fruits in storage condition.