Genetic diversity of pigmented rice accessions as revealed by morpho-agronomic characters
Issue Date
7-2018
Abstract
The Philippines is endowed with a great diversity of rice germplasm in its territorial land area. Part of these thousands germplasm are pigmented rice that are currently conserved at PhilRice [Philippine Rice Research Institute] Genebank. Pigmented rice accession are known for its great health promoting benefits. Various studies indicated that red and black rice possess better healthy components compared to the common white rice. However, studies on the diversity of these pigmented rice has not been explored. Understanding the population structure and range of diversity in available germplasm is fundamental for varietal improvement programs. Thus, this study was conducted to characterize selected pigmented rice accessions stored at PhilRice Genebank using the standard descriptors for cultivated rice. Among the 362 pigmented rice accessions assessed, 85% were red, 5% were purple, and 10% were variable purple. Most of the pigmented germplasms have intermediate endosperm. Moreover, Lagage-N has the heaviest grain, Binibe has the most number of filled grains, and Palawenyo has the longest panicle among the rest of the accessions. Generated data from this study will identify the potential germplasm with desirable traits for direct and indirect utilization. Furthermore, this will contribute towards creating genetic database for breeding programs strategies in the region.
Source or Periodical Title
Philippine Journal of Crop Science
ISSN
0115-463X
Volume
43
Issue
Supplement no. 1
Page
97
Document Type
Article
College
College of Agriculture and Food Science (CAFS)
Language
English
Subject
Rice varieties; Genetic diversity
Recommended Citation
Alfonso, D. O.; Castro, J. R.; Regalario, S. B.; Nombrere, J.M. Z.; Caguiat, X.G. I.; and Ferrer, M. C., "Genetic diversity of pigmented rice accessions as revealed by morpho-agronomic characters" (2018). Journal Article. 4313.
https://www.ukdr.uplb.edu.ph/journal-articles/4313
En – AGROVOC descriptors
ORYZA SATIVA; VARIETIES; GERMPLASM; GENETIC VARIATION; PIGMENTATION; AGRONOMIC CHARACTERS