Phosphorus deficient ixora
Phosphorus deficient poinsettia
Phosphorus deficient gerbera
REDDISH OR PURPLE OLDER LEAVES
Cause and Notes: • Usually caused by phosphorus deficiency, especially in young plants • Most often a lack of chlorophyll in the older leaves • Secondary red pigments show through in the leaf when chlorophyll manufacture is compromised • Lack of Mg can also cause a reddish or purple color on older foliage • Manganese toxicity often shows as purple older leaves and stunting
Examples: • Seen in chrysanthemums, gerberas and impatiens
How to Correct: • Spray or drench with Harrell’s Phophorus Plus 3-30-3 or soluble 10-52-10 or 0-52-34
Made with FlippingBook - Online Brochure Maker