Morpho-agronomic diversity of thirty-nine Philippine populations of Oryza officinalis Wall ex. Watt
Issue Date
9-2005
Abstract
Thirty-nine Philippine populations of Oryza officinalis Wall ex. Watt were characterized using a total of 29 morpho-agronomic characters. The populations showed variation in leaf, culm, panicle and grain characteristics. Ten qualitative characters were found polymorphic. The quantitative characters had a wide range of values falling into 3 to 6 frequency classes. Shannon-Weaver diversity estimates were generally high for most polymorphic characters. H' values ranged from 0.291 to 0.996. Multivariate analyses showed the consistent grouping of old and new collections into separate groups. In general, association between a cluster and geographic origin was poor where well-represented regions yielded separate groups. In a few cases, though, certain geographic populations may group together. The 39 local populations were found to be diverse. Recommendations in relation to the ex situ conservation of the local wild rice species are suggested.
Source or Periodical Title
Philippine Agricultural Scientist
ISSN
317454
Volume
88
Issue
3
Page
281-291
Document Type
Article
Language
English
Subject
Cluster analysis, Ex situ conservation, Genetic diversity, Morpho-agronomic characterization, Oryza officinalis, Philippine wild rice
Recommended Citation
Bon, S.G. & Borromeo, Teresita & Altoveros, Nestor & Brar, D.S. & Raymundo, A.D.. (2005). Morpho-agronomic diversity of thirty-nine Philippine populations of Oryza officinalis Wall ex. Watt. The Philippine agriculturist. 88(3). 281-291.
Digital Copy
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