Magnesium deficiency on lemon-Citrus

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Nutrients

Citrus - Chlorosis

Symptoms
Magnesium deficiency causes interveinal yellowing on older leaves first. Discoloration intensifies on leaf tips and leaf margin. These areas become completely yellow, veins included. Then chlorosis proceeds towards the petiole attachment point. Leaf base remains green for the longest time. At prolonged deficiency younger leaves are affected too.

Reasons
Magnesium deficiency on leaves of lemon

Citrus - Chlorosis

Symptoms
Magnesium deficiency causes interveinal yellowing on older leaves first. The leaf margins and leaf tips are most affected. Sometimes these areas become completely yellow, veins included. Chlorosis proceeds towards the petiole attachment point. Leaf base or a margin along the midrib remains green for the longest time. At prolonged deficiency younger leaves are affected too.

Reasons
Magnesium deficiency on leaves of Orange Iron deficiency causes interveinal chlorosis too, but starts on youngest leaves.

Citrus - Chlorosis

Symptoms
Magnesium deficiency causes interveinal yellowing on older leaves first. The leaf margins and leaf tips are most affected. Chlorosis proceeds towards the petiole attachment point. Leaf base or a margin along the midrib remains green for the longest time. At prolonged deficiency younger leaves are affected too. With ongoing deficiency the clorotic areas become completely yellow, veins included.

Reasons
Magnesium deficiency on leaves of satsuma Iron deficiency causes interveinal chlorosis too, but starts on youngest leaves.

Magnesium deficiency on lemon made worse by

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

Magnesium is important for

Combats chlorosis
Prevents premature leaf fall
Gives healthier greener trees

Yara recommended fertilizers for Magnesium

YaraVita CROP BOOST

Citrus: 5 l/ha applied at 10 to 14 day intervals following fruit set. Water rate: 500 l/ha minimum. Alternatively, 125ml/100 litres applied at 10 to 14 day intervals following fruit set, based on a typical TRV of 2500 l/ha and a maximum TRV of 4000 l/ha.

YaraVita MAGFLO 300

Citrus: Two applications of 2 to 4 l/ha applied during spring flush and again during autumn flush. Water rate: 500-1000 l/ha.