Black Pepper
Black spots on leaves and tender shoots, yellowing and wilting of leaves and branches, and rapid decline and death of the plant
Spray and drench infected and surrounding vines with Metalaxy Mancozeb MATCO 2 gm per litre of water along with wetting agent. Remove all infected parts and keep the base area clean, prevent water logging. Infected leaves and branches should be collected and burnt. Through water medium its spores infect healthier parts.