Symptoms
Symptoms of magnesium deficiency appear on older leaves first; initial symptoms are interveinal chlorosis of the leaves and, occasionally, a purple tinge to the leaves; as the deficiency becomes more severe, leaves may appear white with green veins; severe deficiencies may lead to reduced fruit yield
Cause
Nutritional disorder
Comments
Magnesium deficiency is rare in field grown peppers but can arise in sandy soils when heavy rain causes leaching
Management
Magnesium deficiency can be prevented by applying dolomite lime to the soil, if an increase in soil pH is required, or through applications of a fertilizer containing magnesium
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