A study of the variability for grain and oil yield and yield related traits of castor beans accessions in two savannah agro-ecological zones of Cameroon

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Research Paper 01/08/2013
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A study of the variability for grain and oil yield and yield related traits of castor beans accessions in two savannah agro-ecological zones of Cameroon

T. L. Tchuenteu, C. Megueni, Y. N. Njintang
Int. J. Biosci.3( 8), 251-263, August 2013.
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Field trials were carried out to investigate the seeds/oil yielding ability and yield related traits of three accessions of castor beans (Motso 1, Motso 2 and Ndoutourou) cultivated in the environmental conditions of the two agro-ecological zones of Northern Cameroon (Sudano-guinea zone and Sudano-sahelian zone). Planting was done following a randomized block design with 3 replications and three treatments (Castor bean accessions) in each of these study zones. The growing parameters, the seeds yield and oil yield were evaluated. Growing parameters and seeds and oil yields were significantly different (p<0.05) between castor bean accessions and the two study zones. Castor bean accessions adapted better in the Sudano-Guinea zone than the Sudano-sahelian zone. Irrespective of the growing zone, Ndoutourou accession possessed the highest seeds and oil yield, 4.09±0.004 and 4.28±0.02 t ha-1 respectively in Sudano-Guinea zone and Sudano-Sahelian zone) is more than those of Motso 1 and Motso 2 accessions. Motso 1 accession has the smallest seeds yield. It comes out from these results that Ndoutourou accession can be recommended to farmers of Northern Cameroon to be integrated into their agricultural systems.


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