Interveinal Chlorosis
Interveinal chlorosis is yellowing between leaf veins while the veins remain greener. In mangoes it can suggest particular nutrient-availability problems, but leaf age, root health, and soil conditions determine how the pattern should be interpreted. Iron-related symptoms commonly appear on younger growth, while other deficiencies can affect older leaves. Use the pattern to guide investigation rather than treating it as proof from a photograph alone. A soil or leaf analysis can be more useful than repeated untargeted applications.