Characterization of Potato (Solanum tuberosum L.) Genotypes from the Western Highlands Region of Cameroon Using Morphological and Agronomic Traits
Journal of Plant Sciences
Volume 4, Issue 6, December 2016, Pages: 185-194
Received: Nov. 18, 2016; Accepted: Dec. 5, 2016; Published: Jan. 7, 2017
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Mariette Anoumaa, Department of Plant Biology, Faculty of Science, University of Dschang, Dschang, Cameroon
Gabriel Kanmegne, Department of Plant Biology, Faculty of Science, University of Dschang, Dschang, Cameroon
Eric Bertrand Kouam, Department of Agriculture, Faculty of Agronomy and Agricultural Science, University of Dschang, Dschang, Cameroon
Gaston Sefu Amzati, Faculty of Agronomic Sciences and Environment, Evangelic University in Africa, Bukavu, South-Kivu, Democratic Republic of Congo
Nasser Kouadio Yao, Biosciences Eastern and Central Africa (BecA), International Livestock Research Institute (ILRI), BecA-ILRI Hub, Nairobi, Kenya
Théophile Fonkou, Department of Plant Biology, Faculty of Science, University of Dschang, Dschang, Cameroon
Hermann Desiré Mbouobda, Department of Biology, Higher Teacher’s Training College of Bambili, University of Bamenda, Bamenda, Cameroon
Funda Arslanoglu, Department of Field Crops, Faculty of Agriculture, Ondokuz Mayis University, Samsun, Turkey
Denis Ndoumou Omokolo, Department of Biological Sciences, Higher Teacher’s Training College, University of Yaoundé I, Yaoundé, Cameroon
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Seventy-seven (77) potato accessions were collected from production areas in Western highlands of Cameroon (5°10’-6°30’N and 9°30’- 10° 80’E). Out of the 77 accessions, 69 were traditional and 8 were modern varieties. The genotypes were grown under Menoua (5°27’N, 10°04’E) ecological conditions. 23 morphological and agronomical traits from the internationally accepted descriptor list for potato were used. When considering 7 agronomic traits used in this study, there were no significant difference among collection zone and among altitudes; however, highly significant differences among the accessions were found. Dried matter content (21.25%), total tubers number (15.55), mean eyes number (10.46) and mean stem number (3.21) were significantly higher in traditional varieties than in modern varieties which however had the highest percentage of marketable tubers (84.89%). Significant correlations were found between marketable tuber number and plant height (r = 0.44; p ≤ 0.0001) and between dried matter content, mean stems number (r = 0.38; p ≤ 0.001), mean eyes number (r = 0.30; p ≤ 0.01) and total tubers number (r = 0.44; p ≤ 0.0001). Cluster analysis identified 2 distinct groups with high level of variation. Significant differences were observed on all agronomic traits between the 2 groups; the first group was made up of Forty-seven (47) individuals, all of them were traditional varieties out of the sixty-nine (69) collected; The second group comprised et mixture of local and exotic varieties. Implications of these results in connection with the potato breeding programs in Cameroon are discussed.
Solanum tuberosum L., Characterization, Morpho-Agronomic Traits, Accession, Cameroon
To cite this article
Mariette Anoumaa, Gabriel Kanmegne, Eric Bertrand Kouam, Gaston Sefu Amzati, Nasser Kouadio Yao, Théophile Fonkou, Hermann Desiré Mbouobda, Funda Arslanoglu, Denis Ndoumou Omokolo, Characterization of Potato (Solanum tuberosum L.) Genotypes from the Western Highlands Region of Cameroon Using Morphological and Agronomic Traits, Journal of Plant Sciences. Vol. 4, No. 6, 2016, pp. 185-194. doi: 10.11648/j.jps.20160406.17
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