Article abstract

Journal of Agricultural and Crop Research

Research Article | Published October 2023 | Volume 11, Issue 3. pp. 42-50.

doi: https://doi.org/10.33495/jacr_v11i3.23.115

 

Manual pollination in kola (Cola nitida): A technique for increasing seeds production

 



 

 

Yaya Ouattara1*

Gba Kossia Manzan Karine1

Séry Drolet Jean-Marc1

Daniel Nyadanu2

Akaffou Doffou Sélastique3

 

 

Email Author

 

 

1. Centre National de Recherche Agronomique (CNRA). Station de Recherche de Man, B.P. 440 Man, Côte d’Ivoire.

2. Cocoa Research Institute of Ghana, P.O. Box 8, Akim Tafo, Ghana.

3. Université Jean Lorougnon Guédé, UFR Agroforesterie, BP 150 Daloa (Côte d’Ivoire).


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Citation: Ouattara Y, Karine GKM, Jean-Marc SD, Nyadanu D, Sélastique AD (2023). Manual pollination in kola (Cola nitida): A technique for increasing seeds production. J. Agric. Crop Res. 11(2):42-50. doi: 10.33495/jacr_v11i3.23.115.

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 Abstract 


The productivity of the kola tree is partly limited by a pollination deficit. Only 1.5 to 5% of flowers are pollinated and result in fruiting. To optimise nut production and meet the high demand for improved seed, a trial of manual pollination was carried out on eight genotypes. The results obtained with manual pollination were higher than those obtained with open pollination usually used for improved seed production. Indeed, the fruit set rate was 92.66% vs. 10.89%, the fruiting index was 0.42 vs. 0.06. Follicles and the number of nuts were increased to 800% in manual pollination. Furthermore, the mean of each parameter varied significantly between the eight genotypes, except fruit set rate (p = 0.08) and number of follicles harvested (p = 0.11). Finally, follicles and nuts numbers were significantly correlated with flowers number, r = 0.63 and r = 0.62 respectively, underhand pollination conditions. Finally, the results of this study strongly recommend the use of manual pollination for quantity production of improved kola seeds.

Keywords  Cola nitida   Côte d’Ivoire   fruiting index   manual pollination   open pollination   seeds 

 

 

Copyright © 2023 Author(s) retain the copyright of this article.

This article is published under the terms of the Creative Commons Attribution License 4.0

 

 

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