Manganese deficiency-Oil Palm

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Nutrients

Oil Palm - Chlorosis

Symptoms
Chlorosis starts from the leaf margin, the leaves turn uniformly yellow. Later, the leaf margins become necrotic.

Reasons
Manganese deficiency Similar symptoms are visible with potassium deficiency, but they show spotty chlorosis which is more orange.

Oil Palm - Chlorosis

Symptoms
Chlorosis starts from the leaf margin. With ongoing deficiency more and more yellow stripes occur between the leaf veins. Subsequently there occur dark brown necrotic spots and streaks within the chlorotic areas.

Reasons
Manganese deficiency Similar symptoms are visible with potassium deficiency, but they show spotty chlorosis which is more orange.

Manganese deficiency made worse by

Organic soils
Sandy soils
High pH
Cold wet periods
Fluffy soils

Manganese is important for

Essential for photosynthesis
Enzyme activity in protein, carbohydrate and lipid synthesis
Cell division and extension
Needed for vigorous, healthy leaf growth