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/ Moustapha Guèye
International Journal of Biological and Chemical Science, Vol.1, n°2. Effect of planting date on growth and grain yield of fonio millet (Digitaria exilis Stapf) in the Southeast of Senegal [texte imprimé] / Moustapha Guèye, Auteur ; Ghislain KANFANY, Auteur ; Amadou Fofana, Auteur ; Mamadou Guèye, Auteur ; Kandioura Noba, Auteur ; John Hamman Grove, Auteur . - April 2015 . - pp. 581-592,. Langues : Anglais ( eng) Catégories : | SCIENCES ET PRODUCTIONS VEGETALES
| Mots-clés : | Date de semis, Productivité, Fonio | Index. décimale : | F011-Culture des plantes vivrières et industrielles | Résumé : | A field experiment was carried out during the rainy cropping seasons of 2010 and 2011 in Southeastern
Senegal. The study aimed at investigating the effects of sowing dates on plant growth and grain yield of fonio
millet (Digitaria exilis Stapf). Seven planting times (from early July to mid August with 7-day interval) were
laid out in a randomized complete block design. In general, plant growth and grain yield were significantly
better for the early July sowing dates compared to other sowing dates. However, tillering capacity and grain
size were not influenced by the sowing date. Highest grain yields were obtained on 15-July planting date with
an average of 1,111 kg ha-1 in 2010 and 1,269 kg ha-1 in 2011. Compared to this planting date, the delay in
sowing reduced grain yield by 50% in 2010 and 87% in 2011. Detrimental high rains to seedling vigor,
decreasing sunshine during the plant growth, and rain deficit during the reproductive phase were among the
main limiting factors for late sowings. Hence, the first fortnight of July could be recommended as optimal
sowing period for early maturing cultivars of fonio in Southeastern Senegal.
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IS1500002 | F011-GUE | Article scientifique | UNIVAL | Section Périodiques | Exclu du prêt |