- Iron
Symptoms: interveinal yellowing or whitening beginning on apical leaves with veins remaining green.
- Magnesium
Symptoms: interveinal chlorosis beginning on oldest leaves and continuing to younger leaves. Midribs remain green and leaves may become necrotic.
- Manganese
Symptoms: a checkerboard appearance of interveinal yellowing which starts on apical leaves and near the main veins.
- Nitrogen
Symptoms: plant stunting may occur and oldest leaves turn chlorotic while younger leaves turn yellowish-green.
- Phosphorus
Symptoms: leaves on young seedlings turn purplish and leaves on older plants are weak and turn reddish-purple on the undersides.
More information/prepared by:
- For more information, please contact:
Meg McGrath – mtm3@cornell.edu & Chris Smart – cds14@cornell.edu - Originally prepared for Vegetable MD Online by Thomas A. Zitter.