Seed longevity of rice cultivars and strategies for their conservation in genebanks

Rao, N K and Jackson, M T (1996) Seed longevity of rice cultivars and strategies for their conservation in genebanks. Annals of Botany, 77 (3). pp. 251-260. ISSN 0305-7364

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This paper reports the changes in seed quality during ripening and maturation in diverse germplasm (16 Oryza sativa cultivars and 1 O. glaberrima cultivar) grown during the dry season of 1992-93. The results are presented of investigations undertaken to determine whether seeds produced in the dry season at Los Baños, Philippines provide acceptable seed quality, and whether differences in seed storage longevity and development of potential longevity occur among contrasting genotypes. Studies were also undertaken to determine whether differences in morphological characteristics and isoenzyme profiles correlated with any differences in inherent longevity of the germplasm

Item Type: Article
Uncontrolled Keywords: Oryza sativa L., rice, germplasm conservation, seed production environment, seed development, seed longevity
Subjects: Others > Oilseeds
Others > Genetics and Genomics
Depositing User: Ms K Syamalamba
Date Deposited: 15 Dec 2011 11:24
Last Modified: 23 Jan 2012 08:03
Official URL:
Acknowledgement: We are grateful to Prof R. H. Ellis, Department of Agriculture, The University of Reading for his comments and helpful suggestions on probit analysis and Drs G. McLaren and T. L. Setter, IRRI for reviewing the manuscript. We thank Mr G. Swaminathan, ICRISAT, Patancheru for the statistical help, Messrs R. Rean4o and H. M. Elec, Genetic Resources Center, IRRI, for assisting in the field operations, and Miss G. C. Loresto, Genetic Resources Center, IRRI for suggestions during the planning and conduct of the experiment
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