Study of Genetic Diversity and Stability in Groundnut Arachis hypogaea L Genotypes

Abstract

Groundnut (Arachis hypogaea L.) is an important oilseed crop globally. The present study was aimed at the phenotypic assessment of 51 groundnut genotypes and five control varieties for yield, oil and related traits under irrigated and post flowering drought stress conditions. These genotypes were evaluated under ten environments for seventeen traits. Experimental material was evaluated at two distinct locations, one at ICRISAT Patancheru, Hyderabad and at Bihar Agricultural University (BAU) Sabour. At ICRISAT the experiment were conducted during Kharif, 2015, Rabi 2015-16, Kharif 2016, Rabi 2016-17. At BAU Sabour the experiment was conducted during summer 2016. ICGV 13097, ICGV 13098 and ICGV 13100 showed higher pod yield per plot (kg/ha) with higher oil content and good buffering capacity. These genotypes for their specific performance can be utilized as cultivar for reference environments to harvest maximum pod yield with higher oil content. For nutritional quality traits like oleic acid content and O/L ratio, ICGV 13099, ICGV 13103, 13115, ICGV 13117, ICGV 15321, ICGV 15323, ICGV 15325, ICGV 15333 and ICGV 15339 had good buffering capacity with higher mean than population mean. T newline