University of Florida

Deficiency of Magnesium

There is probably a deficiency of Magnesium (mobile). Deficiency is exhibited as chlorotic areas that are irregular in outline and occur in irregular blotches between the midrib and main green lateral veins toward the middle of older leaves. Chlorotic areas advance to leave an inverted green V at the base of leaves, but this pattern differs with leaf structure.

Plant is a dicot (broadleaf tree or shrub)

  • Symptoms are exhibited by the oldest leaves or leaves that are not the most recently mature
    • Leaves are chlorotic
      • Non-uniform chlorosis of old leaves
        • Interveinal leaf chlorosis, or an inverted green V at leaf base, or marginal yellowing of older leaves

Magnesium Deficiency in Schefflera (Brassaia actinophylla)

Magnesium Deficiency in Schefflera (Brassaia actinophylla)

Magnesium Deficiency in Caesalpinia (Caesalpinia granadilla)

Magnesium Deficiency in Caesalpinia (Caesalpinia granadilla)

Magnesium Deficiency in Dogwood (Cornus florida)

Magnesium Deficiency in Dogwood (Cornus florida)

Magnesium Deficiency in Althaea (Hibiscus syriacus)

Magnesium Deficiency in Althaea (Hibiscus syriacus)

Magnesium Deficiency in East Palatka Holly (Ilex x attenuata 'East Palatka')

Magnesium Deficiency in East Palatka Holly (Ilex x attenuata 'East Palatka')
Magnesium Deficiency in East Palatka Holly (Ilex x attenuata 'East Palatka')

Magnesium Deficiency in Philodendron (Philodendron sp.)

Magnesium Deficiency in Philodendron (Philodendron sp.)

Magnesium Deficiency in Mock Orange (Pittosporum tobira)

Magnesium Deficiency in Mock Orange (Pittosporum tobira)
Magnesium Deficiency in Mock Orange (Pittosporum tobira)

Return to top