Interrelationship and Association of Characters in Robusta Coffee (Coffea Canephora Var. Robusta)
Agriculture, Forestry and Fisheries
Volume 2, Issue 2, April 2013, Pages: 98-104
Received: Mar. 28, 2013;
Published: Apr. 2, 2013
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V. B. Sureshkumar, Regional Coffee Research Station, Chundale, Wayanad, Kerala- 673123, India
K. R. Nikhila, Department of Botany, University of Calicut, Kerala- 673635, India
K. V. Mohanan, Department of Botany, University of Calicut, Kerala- 673635, India
N. S. Prakash, Central Coffee Research Institute, Chikmagalur, Karnataka – 577117, India
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Commercial coffee is obtained from the processed beans of two species of the genus Coffea namely C. arabica and C. canephora, the former yielding arabica coffee and the latter yielding robusta coffee. Most of the agronomic characters of crop plants are controlled by polygenes and hence they show different levels of interrelationships. Analysis of correlation between such characters and further study of relative contribution of each character towards the genetic potential of the species provide valuable tools to identify the lead characters among them so that further improvement programmes could be based on such characters. The present study of the agronomically important polygenic characters of robusta coffee, utilizing the robusta coffee germplasm maintained in the Regional Coffee Research Station, Chundale, Wayanad, Kerala, India by the Central Coffee Research Institute of India has shown that girth of primary branches, weight of 100 dry fruits and percentage of A grade beans have got significant positive correlation with the maximum number of other characters. Factor analysis revealed that bush spread showed the maximum factor loading followed by length of primary branches and girth of primary branches. This shows the strength of the association of these characters with others and their importance in robusta breeding programmes.
Coffea Canephora, Correlation, Factor Analysis, Variance, Germplasm, Character Association
To cite this article
V. B. Sureshkumar,
K. R. Nikhila,
K. V. Mohanan,
N. S. Prakash,
Interrelationship and Association of Characters in Robusta Coffee (Coffea Canephora Var. Robusta), Agriculture, Forestry and Fisheries.
Vol. 2, No. 2,
2013, pp. 98-104.
Willson K.C., 1999. Coffee, Cocoa and Tea. CAB Interna-tional, U.K. p. 300.
Anonymous, 2000. Coffee Guide. Central Coffee Research Institute, Chikmagalur, Karnataka, India. p. 193.
Rangaswamy R., 1995. A Text Book of Agricultural Statistics. New Age International Publishers Limited, New Delhi, India. p. 496.
Srinivasan C.S., 1969. Correlation studies in coffee: 1. Pre-liminary studies on correlation between stem girth and ripe cherry yield in some coffee selections. Indian Coffee 33(10): 318-319.
Berthoud F., Chaume R. and Pernes J. 1978. Variability observed in quantitative variables. Bulletin Institut Frabcais du Café et du Cacao: 57-62.
Srinivasan C.S., 1980. Association of some vegetative cha-racters with initial fruit yield in coffee (Coffea arabica). Journal of Coffee Research 10(2): 21-27.
Sundar K.R., 1983. Fruit volume in relation to bean size and weight in Coffea canephora. Journal of Coffee Research 13(2): 40-43.
Ahmed Jamsheed and Sreenivasan M.S., 1988. Evaluation of some morphological characters: yield, seed size ratio, out turn and liquor quality in Congensis x Robusta hybrid. Indian Coffee 52(3): 25-28.
Raghu A.V., Mohanan K.V., Reddy A.G.S. and Suresh ku-mar V.B. 2003. Variability in a sibmated progeny of CxR (Coffea congensis x Coffea canephora) coffee. Indian Journal of Agricultural Research 37(2): 110-114.
Awatramani N.A., Rao W.K. and Sitarama M. 1974. Quality assessment of coffee varieties and its relationship to the physical characters of the bean. Journal of Plantation Crops 1(Supplement): 175-178.
Srinivasan C.S. and Vishveshwara S., 1980. Cup quality of some coffee selections and variability for caffeine content in some coffee species, hybrids and varieties. Proc. PLA-CROSYM III: 23-36.
Raju K.S., Vishveshwara S. and Srinivasan C.S. 1978. As-sociation of some characters with cup quality in Coffea ca-nephora x Coffea arabica hybrids. Indian Coffee 42(7): 195-197.
Roman Astua G. and Vega Aguilar G.J., 1998. Comparative trials of the organoleptic qualities of the beverage of Catimor T 5175, variety Costa Rica 95, Caturra and Catuai in 8 coffee producing regions of Costa Rica. Boletin PROMECAFE. 80: 9-11.