Dust Methyl parathion 20 EC 2 ml/lit or WP @ 2.5 g in one litre of water.
Soil application of P. fluorescens (Pfbv 22) and B. subtilis (Bbv 57) each @ g / vine was found to be effective in reducing the root knot and reniform nematode population in black pepper.
Bud rot or Mahali disease
Infected tissues of the bud should be scooped off and treated with 10 % Bordeaux paste. Destruction and removal of seed palms and also bunches affected by Mahali and drenching crowns of surrounding healthy palms with 1 % Bordeaux mixture would help in minimizing the incidence of the disease.
Foot rot or Anabe
Affected palms have to be isolated by digging trenches all round. The severely affected palms should be cut and destroyed. The stumps should be pulled out by digging and the drainage improved.Soil application of neem cake @ 2 kg / palm / year followed by root feeding with 125 ml of 1.5 % (15 ml/litre of water) Tridemorph at 3 months interval or Soil drenching of Bordeaux mixture (1%).
Wrap up of the green portion of the stem which is exposed to the South-West sun to protect against sun-scorch.
Yellow Leaf Disease
Application of balanced nutrients with additional quantity of super phosphate
Apply 1 kg of lime/tree/year
Apply organic manures @ 12 kg/ tree/year.
Foliar spray with Bordeaux mixture 1 % or 0.2 % Dithane M 45
Spray Borax 2 g/lit with proper water management
The bearing starts after 5 years of planting. Nuts are harvested when they are three quarters ripe. The number of harvests will vary from three to five in one year depending upon the season and place of cultivation.