African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6691

Full Length Research Paper

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

Nana Mariama IDI GARBA
  • Nana Mariama IDI GARBA
  • Laboratoire Garba Mounkaila, Département de Biologie, Faculté des Sciences et Techniques, Université Abdou Moumouni, BP 10662 Niamey, Niger.
  • Google Scholar
Yacoubou BAKASSO
  • Yacoubou BAKASSO
  • Laboratoire Garba Mounkaila, Département de Biologie, Faculté des Sciences et Techniques, Université Abdou Moumouni, BP 10662 Niamey, Niger.
  • Google Scholar
Mainassara ZAMAN-ALLAH
  • Mainassara ZAMAN-ALLAH
  • Université de Maradi, BP 465 Maradi, Niger.
  • Google Scholar
Sanoussi ATTA
  • Sanoussi ATTA
  • Centre Régional AGRHYMET, BP 11011 Niamey, Niger.
  • Google Scholar
Maârouhi Inoussa MAMANE
  • Maârouhi Inoussa MAMANE
  • Laboratoire Garba Mounkaila, Département de Biologie, Faculté des Sciences et Techniques, Université Abdou Moumouni, BP 10662 Niamey, Niger.
  • Google Scholar
Moutari ADAMOU
  • Moutari ADAMOU
  • Institut National de la Recherche Agronomique du Niger, BP 429 Niamey, Niger.
  • Google Scholar
Falalou HAMIDOU
  • Falalou HAMIDOU
  • International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), BP 12404 Niamey, Niger.
  • Google Scholar
Saïdou Sani IDI
  • Saïdou Sani IDI
  • International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), BP 12404 Niamey, Niger.
  • Google Scholar
Ali MAHAMANE
  • Ali MAHAMANE
  • Laboratoire Garba Mounkaila, Département de Biologie, Faculté des Sciences et Techniques, Université Abdou Moumouni, BP 10662 Niamey, Niger.
  • Google Scholar
Mahamane SAADOU
  • Mahamane SAADOU
  • Laboratoire Garba Mounkaila, Département de Biologie, Faculté des Sciences et Techniques, Université Abdou Moumouni, BP 10662 Niamey, Niger.
  • Google Scholar


  •  Received: 10 December 2013
  •  Accepted: 09 January 2015
  •  Published: 29 January 2015

Abstract

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

 

Key words: Arachis hypogaea L, groundnut, agro-morphological traits, genetic variability, Niger.