Symptoms
First the young, immature leaves show a uniform light-green colour. Later interveinal areas become very light green with veins remaining green. With severe deficiency interveinal areas and veins bleach exept for a broad green border at the leaf margin
Reasons
Copper deficiency
Copper deficient leaf blades contain less than 3 ppm of copper at dry basis.
Early symptoms of sulphur, molybdenum, manganese or iron deficiency are similar to the early symptoms of copper deficiency.
Asia and Oceania
