IRISDD

Bird's Eye Spot

Causal organism:Helminthosporium heveae

Symptoms:

1. Numerous small circular spots scattered on the leaf surface.

2. Spot have transparent centers and distinct brown borders

3. Infected young leaves – black and wrinkled

4. Infected older leaves – necrotic tissues produce shot-holes

Control measure:
Weekly spraying of Dithane M-45 (6 tbsp./16 li of water) on fully expanded leaves.

Reference/s:

https://prri.da.gov.ph/wp-content/uploads/2019/07/Common-Diseases-of-Rubber-and-their-Management.pdf