Problems Affecting Multiple Crops
- Air Pollution Injury
- Algae
- Aster Yellows
- Charcoal Rot
- Chemical Damage: Phototoxicity
- Cotton Root Rot
- Crown Gall
- Curly Top Virus
- Dodder
- Drought Symptoms on Plants
- Mushroom Root Rot
- Mycotoxins
- Nematodes, Other than Root Knot
- Root Knot Nematodes
- Plants That Grow on Other Plants
- Seedling Blight
- Sooty Mold
- Southern Blight
- Stem and Root Rot
- Viral Diseases
- Weed Killer Injury
- Wilt Diseases
- Winter or Frost Injury
- Withering and Scorching of Foliage