Temegne et al
Greener Journal of Agricultural Sciences Vol. 6 (7), pp. 209-225, August 2016.
Manuscript Number: 062716107
Agro-morphological Characterization of Cassava (Manihot esculenta Crantz) Collected in the Humid Forest and Guinea Savannah Agro-ecological Zones of Cameroon
Temegne Nono Carine1,4*, Mouafor Boris Igwacho2,
Ngome Ajebesone Francis3
1University of Yaoundé I, Faculty of Science, Department of Plant Biology, P.O. Box 812 Yaoundé, Cameroon.
2University of Yaoundé II, Faculty of Science Economics and Management, P.O Box 18 Soa, Cameroon.
3Institute of Agricultural Research for Development (IRAD), P.O Box 2123 Yaoundé, Cameroon.
4University of Bamenda, Higher Technical Teacher Training College, Department of Civil Engineering and Forestry Techniques, P.O. Box 39 Bambili, Cameroon.
Background: Cassava (Manihot esculenta Crantz) is an important crop in Cameroon where leaves and tubers are eaten. However, its genetic variability remains unexplored in Cameroon. Local varieties are precious genetic resources because of their diversity. Mastery of this diversity is an important basis for crop improvement through plant breeding programs.
Methods: Local cassava accessions (89) were collected mainly in four regions belonging to the Humid Forest and Guinea Savannah agro-ecological zones. These accessions have been planted with the objective to characterize them, based on qualitative and quantitative agro-morphological traits. The experiment was carried out in experimental station of IRAD Nkolbisson, Cameroon.
Results: Significant differences (p<0.05) were observed for all the 14 analysed quantitative traits. Coefficients of variation of quantitative traits range from 11.85% (number of leaf lobes) to 55.75% (weight of shoot). Of the 14 quantitative traits studied, 7 had high coefficients of variation (CV>20%). The remaining 7 traits exhibit low variations. Root yields of 10 to 13 t/ha was observed with some of the accessions. The Principal Component Analysis for quantitative traits and Multiple Correspondence Analysis for qualitative traits revealed high dispersion of the accessions. On the cluster analysis for qualitative traits the accessions were classified in three groups. The dendrogram with the quantitative traits produced three main cluster groups of the cassava accessions evaluated.Conclusion: This work showed the variation in agronomic traits existing among cassava accessions in the forest and savannah agro-ecological zones of Cameroon that could be exploited to enhance cassava breeding programs.
Keywords: cassava accessions, genetic diversity, agro-morphological descriptors, principal component analysis, multiple correspondence analysis.
Agre AP, Dansi A, Rabbi IY, Battachargee R, Dansi M, Melaku G, Augusto B, Sanni A, Akouegninou A and Akpagana K (2015). Agromorphological characterization of elite cassava (Manihot esculenta Crantz) cultivars collected in Benin. Int. J. Curr. Res. Biosci. Plant Biol. 2(2): 1-14.www.ijcrbp.com.
Afonso SDJ, Ledo CAdaS, Moreira RFC, Silva SdeOe, Leal VDdeJ and Conceição ALdaS (2014). Selection of descriptors in a morphological characteristic considered in cassava accessions by means of multivariate techniques. IOSR-JAVS. 7(1): 13-20. www. iosrjournals.org.
Ceballos H, Iglesias CA, Pérez JC and Dixon AGO (2004). Cassava breeding: opportunities and challenges. Plant Molecular Biology 56: 503-516.
FAO (Food and Agriculture Organization) (2000). Défendre la cause du manioc. FAO: Rome. http://www.fao.org/nouvelle/2000/000405-f.htm.
FAO (Food and Agriculture Organization) (2003). Gestion de la fertilité des sols
pour la sécurité alimentaire en Afrique subsaharienne. FAO: Rome.
Fukuda WMG, Guevara CL, Kawuki R and Ferguson ME (2010). Selected
and agronomic descriptors for the characterization of cassava. International Institute of Tropical Agriculture (IITA): Ibadan (Nigeria).
IRAD (2008). Rapport national sur l’état des ressources phytogénétiques pour l’alimentation et l’agriculture. IRAD: Yaoundé (Cameroun).
Lin MS (1991). Genetic base of japonica rice varieties released in Taiwan. Euphytica 56: 43-46.
Mbogne JT, Temegne CN, Hougnandan P, Youmbi E, Tonfack LB and Ntsomboh-Ntsefong G (2015). Biodiversity of arbuscular mycorrhizal fungi of pumpkins (Cucurbita spp.) under the influence of fertilizers in ferralitic soils of Cameroon and Benin. J. App. Biol. Biotech. 5(3):1-10. DOI:10.7324/jabb.2015.3501.
Ngome AF, Amougou MFC, Tata PI, Ndindeng SA, Mfopou MYC, Mapiemfu-Lamare D and Njeudeng TS (2013). Effects of cassava cultivation on soil quality indicators in the humid forest of Cameroon. Greener J. Agric. Sci. 3: 451-457. www.gjournals.org.
Noerwijati K, Nasrullah T and Djoko P (2013). Breeding value estimation of fifteen related cassava genotypes using blup. J. Agricult. Biol. Sci. 8(4): 317-321.
Temegne NC, Ngome AF and Fotso KA (2015a). Influence de la composition chimique du sol sur la teneur en éléments nutritifs et le rendement du manioc (Manihot esculenta Crantz, Euphorbiaceae) dans deux zones agro-écologiques du Cameroun. Int. J. Biol. Chem. Sci. 9(6): 2776-2788. DOI : http://dx.doi.org/10.4314/ijbcs.v9i6.21.
Temegne NC, Mbogne TJ, Nbendah P, Youmbi E, Taffouo VD and Ntsomboh-Ntsefong G (2015b). Effect of phosphate deficiency on growth and phosphorus content of three Voandzou (Vigna subterranean (L.) Verdc.) varieties. IOSR JAVS. 8(9): 52-59. DOI: 10.9790/2380-08915259.
Vieira EA, Fialho J de F, Faleiro FG, Bellon G, da Fonseca KG, Carvalho LJCB, Silva MS, de Paula-Moraes SV, de Oliveira CM and Denke ML (2011). Characterization of sweet cassava accessions based on molecular, quantitative and qualitative data. Crop Breed. Appl. Biotechnol. 11(3). http://dx.doi.org/10.1590/S1984-70332011000300005.
Volle M (1981). Analyse des données. Economica: Paris.
Call for Articles/Books
Call for Scholarly Articles
Authors from around the world are invited to send scholary articles that suits the scope of this journal. The journal is currently open to submissions and will process and publish articles daily, immediately they are ready.
The journal is centered on quality and goes about its processes in a very timely fashion. Seasoned editors/reviewers will be consulted to review each article(s), profer quality evaluations and polish the articles with expertise before publication.
Use our quick submit button to submit or simply send your article(s) as an e-mail attachment to email@example.com or firstname.lastname@example.org.
Call for Books
You are also invited to submit your books for online or print publication. We publish books related to all academic subject areas. Submit as an e-mail attachment to email@example.com.