Symptoms
Leaf margins are chlorotic and then scorched. This spreads to the intercostal areas. The leaf becomes bright yellow with necrotic tints. The basal part of the leaf blade remains light green at the last.
Mature leaves are affected first. Symptoms worsen with increased deficiency and leaf age.
Reasons
Magnesium deficiency
Deficient leaf blades contain less than 0.1 % magnesium on dry Basis.
Potassium deficiency can cause similar symptoms.
Leaves with salt burn show similar symptoms.
Strawberry - Chlorosis
Symptoms
Leaf margins are chlorotic and then scorched. This spreads to the intercostal areas. The leaf becomes bright yellow with necrotic tints. The basal part of the leaf blade remains light green at the last.
Mature leaves are affected first. Symptoms worsen with increased deficiency and leaf age. The young central leafs remain green.
Reasons
Magnesium deficiency
Deficient leaf blades contain less than 0.1 % magnesium on dry basis.
Potassium deficiency can cause similar symptoms.
Leaves with salt burn show similar symptoms.
Strawberry - Necrosis
Symptoms
Leaf margins are chlorotic and then scorched. This spreads to the intercostal areas. The leaf becomes bright yellow with necrotic tints. The basal part of the leaf blade remains light green at the last.
Mature leaves are affected first. Symptoms worsen with increased deficiency and leaf age. The young central leaves remain green.
Reasons
Magnesium deficiency
Deficient leaf blades contain less than 0.1 % magnesium on dry basis.
Potassium deficiency can cause similar symptoms.
Leaves with salt burn show similar symptoms.
Strawberry - Chlorosis
Symptoms
Leaves show interveinal chlorosis with spotty necrosis on their margins and dark discolourations between the veins. Mature leaves are affected first. Symptoms worsen with increased deficiency and leaf age. Finally the oldest leaves turn completely brown while the young central leaves remain green.
Reasons
Magnesium Deficiency.
Potassium deficiency can cause similar symptoms, but normally the basal part of the leaf is affected too.
Leaves with salt burn show similar symptoms.
Strawberry - Chlorosis
Symptoms
Leaves show interveinal chlorosis with spotty necrosis on their margins and dark discolourations between the veins. Mature leaves are affected first. Symptoms worsen with increased deficiency and leaf age. Finally the oldest leaves turn completely brown while the young central leaves remain green.
Reasons
Magnesium Deficiency.
Potassium deficiency can cause similar symptoms, but normally the basal part of the leaf is affected too.
Leaves with salt burn show similar symptoms.
Magnesium deficiency made worse by
Sandy soils
Acidic soils
Potassium rich soils
Soils receiving high potash applications
Cold wet periods
Magnesium is important for
Improved photosynthesis
Green healthy foliage
Reduced yellowing on older leaves
Yara recommended fertilizers for Magnesium
YaraVita MAGFLO 300
Strawberry (field grown): 4 l/ha at green bud. Water rate: 200-500 l/ha.