Nutritional Deficiencies/Disorders of Black Pepper

Potassium

Reduced growth. Leaves develop characteristic bronzing followed by necrotic lesions along the veins and leaf fall.

Correction measure: Foliar spray of K₂SO₄ @1% at weekly intervals.

Magnesium

Interveinal chlorosis of immature and recently matured leaves. Necrotic lesions develop within the chlorotic areas.

Correction measure: Foliar spray of MgSO₄ @ 1% at fortnightly intervals.

Boron

Young leaves become small and malformed.

Correction measure: Foliar application of borax@0.2%.

Iron

Inter-veinal chlorosis of young leaves veins remain green and leaf size reduced. In severe cases, whole leaf become chlorotic and yellow and fall.

Correction measure: Foliar spray of FeSO₄ @1.0% at fortnightly intervals.

Manganese

Yellowing of young leaves; veins remain green.

Correction Measure: Foliar application of MnSO₄ @ 0.5% solution in water

IPM for Black Pepper

To know the IPM practices for Black Pepper, click here.

Source: NIPHM and Directorate of Plant Protection, Quarantine & Storage