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Magnesium (Mg) deficiency
Eric Hanson, Horticulture
Symptoms of Mg deficiency are seen periodically, particularly on sandy sites. A distinctive pattern of chlorosis develops between the main veins of leaves. These regions may turn yellow to bright red while tissues adjacent to the main veins remain green. Older leaves at the bases of canes and shoots show symptoms first. Young leaves at the tips of shoots are seldom affected.
Symptoms of Mg deficiency may vary in color and usually develop later in the summer.

 

 
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Last Updated - 9/27/09