Standardisation of period of sampling for foliar diagnosis in pepper in relation to nitrogen, phosphorus and potassium

Abstract

A study was conducted at the College of Horticulture, Vellanikkara to standardise the most suitable season for foliar diagnosis in pepper. The first mature leaf of fruit bearing laterals of Panntyoor 1 pepper vines grown under the NPK fertilizer trial at the Pepper Research Station Panniyoor, Taliparamba. Cannanore district was made use of. The period just before flushing appeared to be the most suitable for the collection of samples intended for foliar diagnosis of nitrogen, phosphorus and potassium.