We started to collect visual diagnosis infographics on the web to help solve that problem.
Here are the credits:
- « Common Plant Diseases and Disorders » by Mid Island Garden Supply
- « Freshwater Nutrient Plant Deficiencies » by Aquatusiast
- « Why are my plants turning yellow? » [CC-ND 3.0] by Safer Brands
- « 14 Common Plant Diseases » by Proflowers
- « Common Garden Pests and Diseases » by Lifestyle Home Garden