What does it do?
Magnesium is a building block of chlorophyll and is therefore essential for photosynthesis.
What do you see?
Interveinal chlorosis at the edges then cloudy, yellow to brown necrotic spots beginning with the older leaves.
What can you do?
Foliar spray with Epsom salts at a rate of one tablespoon per gallon solution of every 4-5 days. We suggest Epsom Salts or Cal/Mag Plus.