Angular leaf spot of cotton

It’s a bacterial disease mostly seen in Gossypium species(cotton) caused by bacterial pathogen
Xanthomonas malvacearum. Angular leaf spot thrives in warm humid conditions.
Classification:
Kingdom:Bacteria
Phylum:Pseudomonadota
Class:Gammaproteobacteria
Order:Xanthomonadales
Family:Xanthomonadaceae
Genus:Xanthomonas
Species:malvacearum
Characteristic Symptoms:
-The first symptom seen are spots that appear on the leaf.
-These spots often coalesce the leaf gradually turns yellow and drops.
-Lesions on young stems are also seen.
-Yellowish bacterial exudates are seen.
Reference: PRACTICAL BOTANY By Satish Kumar