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Evaluation of Extra-early Maturing Maize Genotypes for Grain Yield and Stability in the Groundnut Basin Agro-ecological Zone of Senegal

Author

Listed:
  • Georgina Lala Ehemba
  • Yedomon Ange Bovys Zoclanclounon
  • Moustapha Gueye
  • Cyril Diatta
  • Martial Barnabe Etienne Diatta
  • Cheikh Thiaw
  • Alfred Kouly Tine
  • Alpha Bocar Baldé
  • Ghislain Kanfany

Abstract

Maize is a highly valuable staple food crop in Sub-Saharan Africa regions. Its production is hampered by both biotic and abiotic stress. Early-maturing genetic resources appear as an excellent choice to manage adverse climatic change’s effects. This study aimed to find the best extra-early maize genotypes based on genotype by environment interactions in the groundnut agro-ecological zone of Senegal. The trials were conducted in Paoskoto, Ndiedieng, Nioro and Keur Sene during the rainy seasons of 2016 and 2017. Six extra-early maize genotypes were evaluated following a randomized complete block design with three replications. Data on grain yield were recorded and analysed using additive main effect and multiplicative interaction and genotype plus genotype by environment biplot methods. Analysis of variance revealed a significant (P < 0.01) genotype by environment effect on grain yield. The sum of squares variation was higher (77.2%) explained by the environment effect. The genotype 2008-TZEE-W-STR showed the highest yield performance (3299 kg ha-1) and lowest yield stability index (3). This genotype can be suggested to farmers for its cultivation and a good candidate for early maturing maize breeding program in Senegal.

Suggested Citation

  • Georgina Lala Ehemba & Yedomon Ange Bovys Zoclanclounon & Moustapha Gueye & Cyril Diatta & Martial Barnabe Etienne Diatta & Cheikh Thiaw & Alfred Kouly Tine & Alpha Bocar Baldé & Ghislain Kanfany, 2019. "Evaluation of Extra-early Maturing Maize Genotypes for Grain Yield and Stability in the Groundnut Basin Agro-ecological Zone of Senegal," Agriculture and Food Sciences Research, Asian Online Journal Publishing Group, vol. 6(1), pages 79-84.
    • Handle: RePEc:aoj:agafsr:v:6:y:2019:i:1:p:79-84:id:122
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