| Symptom Type | Disease | Causal Agent |
| Bacterial diseases | Bacterial blight of cotton | Xanthomonas citri Spp. Malvacearum |
| Lint degradation | Erwinia herbicola | |
| Crown gall | Agrobacterium tumefaciens | |
| Viral diseases | Leaf curl | Begomovirus |
| Leaf crumple | Begomovirus | |
| Mosaic | Begomovirus | |
| Anthocyanosis | Suspicious virus (unknown) | |
| Blue diseases | Phytoplasma or Suspicious virus (unknown) | |
| Leaf mottle | Suspicious virus (unknown) | |
| Leaf roll | Suspicious virus (unknown) | |
| Terminal stunt | Suspicious virus (unknown) | |
| Psylosis | Suspicious virus (unknown) | |
| Fungal diseases | Anthracnose | Collectotrichum gossypii Glomerella gossypii |
| Areolate mildew | Ramularia gossypii | |
| Ascochyta blight | Ascochyta gossypii | |
| Boll rot | Ascochyta gossypii Collectotrichum gossypii Glomerella gossypii Fusarium species Lasiodiplodia theobromae Physalospora rhodina Rhizoctonia solani Phytophthora species | |
| Black root rot | Chalara elegans | |
| Cotton root rot | Phymatotrichopsis omnivore | |
| Charcoal rot | Macrophomina phaseolina | |
| Cotton rust | Puccinia schedonnardii | |
| Escobilla | Glomerella gossypii Colletotrichum gossypii | |
| Fusarium wilt | Fusarium oxysporum | |
| Leaf spot | Alternaria alternata Alternaria macrospora Bipolaris spicifera Cercosproa gossypina Cochliobolus spicifera Mychosphaerella gossypina Myrothecium roridum Rhizoctonia solani Stemphylium solani |