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Establishment of the core collection of Ziziphus mauritiana Lam. from India

Published online by Cambridge University Press:  07 August 2013

P. N. Sivalingam ,
D. Singh ,
Sarita Chauhan ,
H. K. Changal ,
Chander Bhan ,
T. Mohapatra ,
T. A. More  and
S. K. Sharma
P. N. Sivalingam*
Affiliation:
Central Institute for Arid Horticulture, ICAR, NH-15 Sri Ganganagar Road, Beechwal, Bikaner334 006, Rajasthan, India
D. Singh
Affiliation:
Central Institute for Arid Horticulture, ICAR, NH-15 Sri Ganganagar Road, Beechwal, Bikaner334 006, Rajasthan, India
Sarita Chauhan
Affiliation:
Central Institute for Arid Horticulture, ICAR, NH-15 Sri Ganganagar Road, Beechwal, Bikaner334 006, Rajasthan, India
H. K. Changal
Affiliation:
Central Institute for Arid Horticulture, ICAR, NH-15 Sri Ganganagar Road, Beechwal, Bikaner334 006, Rajasthan, India
Chander Bhan
Affiliation:
Central Institute for Arid Horticulture, ICAR, NH-15 Sri Ganganagar Road, Beechwal, Bikaner334 006, Rajasthan, India
T. Mohapatra
Affiliation:
National Research Centre on Plant Biotechnology, Pusa Campus, New Delhi110 012, India
T. A. More
Affiliation:
Central Institute for Arid Horticulture, ICAR, NH-15 Sri Ganganagar Road, Beechwal, Bikaner334 006, Rajasthan, India
S. K. Sharma
Affiliation:
Central Institute for Arid Horticulture, ICAR, NH-15 Sri Ganganagar Road, Beechwal, Bikaner334 006, Rajasthan, India
*
*Corresponding author. E-mail: pnsivalingam@gmail.com
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Abstract

Ziziphus mauritiana Lam. is an important fruit crop of the Thar Desert of India. About 330 accessions and cultivars collected from various parts of India are currently being maintained at a farm in the Central Institute for Arid Horticulture. Utilization of such a large collection of germplasm for breeding and crop improvement is difficult. Therefore, in the present study, using a heuristic approach based on phenotypic characters, we identified 52 accessions that represented a core collection, with a coverage of 100% and a coincidence rate of 98.1%. No significant difference was observed with respect to either the Shannon–Weaver or the Nei diversity index for qualitative traits, mean values and ranges for quantitative traits or clustering patterns between the core and whole collections. The core collection represents the entire range of diversity with minimum redundancy and should be useful for the conservation and utilization of Z. mauritiana germplasm.

Keywords

core collectiongermplasmqualitative traitsquantitative traits, Ziziphus mauritiana
Type
Short Communications
Information
Plant Genetic Resources , Volume 12 , Issue 1 , April 2014 , pp. 140 - 142
Copyright
Copyright © NIAB 2013 

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