Diseases
Alternaria leaf blotch and mites
A summer leaf disease linked to high mite numbers and wet, hot weather.
Relevant stages: Fruit Development III, Fruit Development IV.
Leaf blotch causes brown spots and early leaf drop in summer.
- Keep the mite population low. The guide links high mites to Alternaria leaf blotch.
- Remove water shoots to reduce disease severity.
- Avoid spraying under wet or hot conditions.
- Fruit development IV: if leaf blotch or scab is present, use Zineb 68% + Hexaconazole 4%, 125 g per 100 L.
- Collect fallen fruit and leaves as part of orchard sanitation.
General guidance. Always read product labels and consult an agronomist for problems specific to your orchard.