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Identification of promising sources for fodder traits in the world collection of pearl millet at the ICRISAT genebank

Published online by Cambridge University Press:  13 July 2017

H. D. Upadhyaya ,
K. N. Reddy ,
Santosh K. Pattanashetti ,
Vinod Kumar  and
Senthil Ramachandran
H. D. Upadhyaya*
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Genebank, Patancheru, Telangana 502 324, India Department of Agronomy, Kansas State University, Manhattan, KS 66506, USA UWA Institute of Agriculture, University of Western Australia, Crawley, WA 6009, Australia
K. N. Reddy
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Genebank, Patancheru, Telangana 502 324, India
Santosh K. Pattanashetti
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Genebank, Patancheru, Telangana 502 324, India
Vinod Kumar
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Genebank, Patancheru, Telangana 502 324, India
Senthil Ramachandran
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Genebank, Patancheru, Telangana 502 324, India
*
*Corresponding author. E-mail: [email protected]
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Abstract

A total of 326 pearl millet accessions selected for fodder traits from the world collection at ICRISAT genebank, India were evaluated in rainy, postrainy and summer seasons to identify promising sources for fodder yield. In rainy season, majority of accessions grew significantly tall, produced thick stems, long and broad leaves compared with postrainy and summer seasons. Total tillers per plant were significantly more in rainy and summer seasons than in postrainy season. Significant (P = 0.05) positive correlations were observed among all traits in all seasons except total tillers, which showed significant negative correlation with all other traits but for a few cases. Accessions of cluster 1 flowered early and produced more tillers per plant, while those of cluster 3 flowered late, grew tall, produced thick stems, more leaves per plant, which were long and broad. Promising sources identified include IP 11839 and IP 11840 for plant height and number of leaves per plant, IP 15710, IP 15735 and IP 15752 for stem thickness and leaf width, and IP 3628, IP 15285, IP 15288, IP 15302, IP 15342, IP 15351, IP 15290, IP 20347 and IP 20350 for total tillers per plant. Further testing of these sources of fodder traits at different locations will be very useful.

Keywords

evaluationfoddergermplasmlandracepearl millet
Type
Research Article
Information
Plant Genetic Resources , Volume 16 , Issue 2 , April 2018 , pp. 127 - 136
Copyright
Copyright © NIAB 2017 

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