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Exploitation of forage attribute-based variations in Sudan pearl millet [Pennisetum glaucum (L.) R. Br.] collections

Published online by Cambridge University Press:  28 August 2013

Sara A. Babiker ,
Mohammed A. M. Khair  and
Izzat S. A. Tahir
Sara A. Babiker*
Affiliation:
Agricultural Research Corporation, PO Box 126, Wad Medani, Sudan
Mohammed A. M. Khair
Affiliation:
Agricultural Research Corporation, PO Box 126, Wad Medani, Sudan
Izzat S. A. Tahir
Affiliation:
Agricultural Research Corporation, PO Box 126, Wad Medani, Sudan
*
*Corresponding author. E-mail: saraae2004@yahoo.com
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Abstract

Triggered by the need to develop inter-seasonal, multi-cut cereal forage crops, this study aimed at the exploitation of phenotypic variations among the rich pearl millet (Pennisetum glaucum L.) collections in Sudan for possible utilization in forage-type breeding programmes. A total of 100 pearl millet accessions were used in three field trials grown in rainy, winter and summer seasons (2008–2009) at the Gezira Research Station Farm and the Gezira University Experimental Farm. Wide diversity and highly significant differences in the total dry forage yield, days to harvest, plant height, number of tillers/plant and leaf/stem ratio were found among the accessions. At an 80% morphological similarity level, the 100 accessions of pearl millet were clustered into four main groups. In the rainy and winter seasons, 71 and 56% of the accessions produced forage yield of more than 5 t/ha, respectively. In contrast, 77% of the accessions produced less than 5 t/ha in the summer season. Among the top-ranking 25 accessions, two accessions (HSD 2190 and HSD 2236) were common in dry matter yield in the three seasons, whereas 11 accessions were identified in at least two seasons. The presence of such common accessions in more than one season is encouraging for growing pearl millet as a multi-cut crop for a longer period. These results indicated the possibility of the development of forage-suited varieties of pearl millet directly through further evaluation of those common accessions or indirectly through a crop breeding programme.

Keywords

dry matter yieldforage-type varietiespearl millet accessionsPennisetum glaucum (L.) R. Brphenotypic variation
Type
Research Article
Information
Plant Genetic Resources , Volume 12 , Issue 1 , April 2014 , pp. 83 - 90
Copyright
Copyright © NIAB 2013 

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