Nutrients

P Phosphorus
Mg Magnesium

Pineapple - Chlorosis

Symptoms
Older leaves show bright yellow discolorations where they are exposed to sunlight. Diagonally running bands of green occur as a result of being partially shaded by leaves above them.

Reasons
Magnesium deficiency Symptoms of Mg deficiency are most pronounced just prior to floral differentiation.

Pineapple - Chlorosis

Symptoms
Older leaves show bright yellow discolorations where they are exposed to sunlight. Diagonally running bands of green occur as a result of being partially shaded by leaves above them.

Reasons
Magnesium deficiency Symptoms of Mg deficiency are most pronounced just prior to floral differentiation.

Magnesium deficiency made worse by

  • Sandy soils
  • Acidic soils
  • Potassium rich soils
  • Soils receiving high potash applications
  • Cold wet periods

Magnesium is important for

  • Increased photosynthetic activity maintaining good growth for high yields