Evaluation of agro-morphological diversity of groundnut (Arachis hypogaea L.) in Niger uri icon

abstract

  • This work evaluated a collection of hundred groundnut (Arachis hypogaea L.) varieties from differentorigin using twenty four (24) agro-morphological traits that can help to enhance selection efficiency incrop improvement. The experiment was carried out at the experimental station of INRAN-Tarna, in theregion of Maradi (Niger) during the rainy season of 2010. Analysis of variance showed a large variabilityamong varieties for the agro-morphological traits. Principal Component Analysis (PCA), AgglomerativeHierarchical Clustering (AHC) and Fisher Discriminant Analysis (FDA) revealed that this variability isstructured into four distinct groups. Groups I and II consisted of early varieties that have a highemergence rate and high pods and seed weight. These groups included mainly local varieties and thoseintroduced in Niger through seed dissemination. Groups III and IV are composed of late varieties withlarge pods while group III had mostly varieties with long leaflets. Understanding the genetic control ofthe most discriminating among the studied traits would bring significant contribution to the geneticimprovement of this important crop

publication date

  • 2015