| Titre |
Impact of climate on seed morphology and plant growth of Caesalpinia bonduc L. in West Africa |
| Auteurs |
PADONOU Elie Antoine [1],
AHOSSOU Oscar D. [2],
OKOU Farris O. Y. [3],
ASSOGBADJO ACHILLE EPHREM [4],
GLELE KAKAÏ A. ROMAIN LUCAS [5],
Mette Lykke Anne [6],
SINSIN Brice [6],
|
| Journal: |
International Journal of Agronomy and Agricultural Research (IJAAR) |
| Catégorie Journal: |
Internationale |
| Impact factor: |
0 |
| Volume Journal: |
6 |
| DOI: |
|
| Resume |
Caesalpinia bonduc L. is an important medicinal plant threatened by overexploitation. In the present study, the impact of
climate on seed morphology, germination capacity, seedling and plant growth of C. bonduc were evaluated. A total of 2000
seeds were collected in Sudanian and Guinean climate zones of Africa and their length, width, thickness, weight and color
were recorded. A hierarchical classification and canonical discriminant analysis were applied to the above traits of seeds from
the different climatic zones. An analysis of variance with repeated measures was applied to seeds morphotypes identified by
the hierarchical classification to test for the effect of these morphotypes on seed germination, seedling and plant growth.
Hierarchical classification helped to identify four seed morphotypes. Canonical discriminant analysis performed on these
morphotypes revealed highly significant differences. Morphotypes 1 and 3 comprised green seeds mainly from Sudanian
zone while morphotypes 2 and 4 gathered grey seeds mainly from Guinean zone. Morphotype 3 had the longest seeds while
the shortest seeds were from morphotype 1. The heaviest seeds were found in morphotype 4 whereas the lightest ones were
from morphotype 1. Seeds of morphotype 4 were the thickest and widest, while the slimmest and most narrow ones were
grouped in morphotype 1. Moprhotype 3, consisting of large green seeds mainly from Sudanian zone, was superior in terms
of seedling and plant growth among all morphotypes and should be the best choice for planting purposes of the species. |
| Mots clés |
Sudanian and Guinean climate zones, Hierarchical classification, Canonical discriminant analysis, Morphotypes |
| Pages |
86 - 96 |
| Fichier |
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