Tobacco that is deficient in magnesium (Mg) will initially develop symptoms on the lower or older foliage. These symptoms occur as an interveinal chlorosis that begins on the leaf margin, typically toward the leaf tip. Mg is mobile within plant tissues and will readily translocated from older leaves to the young developing tissues during limited Mg conditions.

Type

Nutrition

Leaf Location

Older

Leaf Condition

Marginal chlorosis, Interveinal chlorosis, Interveinal necrosis

Leaf Color

Chlorosis (yellow), Necrosis (brown)