Plant Diagnosis
Leaf spot in flower (Bougainvillea and Ixora) Critical
Fungal or bacterial spots on leaves causing defoliation caused by Fungi (Cercospora, Alternaria), bacteria in July–Oct (high humidity.
Description
Various pathogens like Cercospora, Alternaria, and bacteria cause necrotic spots on leaves. These lesions reduce photosynthesis and weaken young plants. lesions coalesce and lead to leaf drop. Often occurs in crowded, moist environments.
Symptoms
- Brown, black, or purple spots on leaves; may cause premature leaf drop.