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Potassium Deficiency Symptoms
Deficiency of potassium causes marked reduction in growth, interval profusely smaller, premature yellowing of plant. Purplish brown patches appear at the base of the petioles and in severe cases the centre of the corm may show area of brown, water soaked disintegrated cell structures. Fruits are badly shaped, poorly filled and unsuitable for marketing. Splits develop parallel to the secondary veins and the lamina folds downwards, while the midrib bends and fractures, leaving the distal half of the leaf hanging.
Corrective Measure
Foliar spray of KCl 2% at weekly interval till the symptom disappear.
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