DOI : https://doi.org/10.18517/ijaseit.2.4.206

Amylose Content and Grain Length of New Rice Transgressive Variants Derived from a Cross Between O. rufipogon and Malaysian Rice Cultivar MR219

Parviz Fasahat (1), Kharidah Muhammad (2), Aminah Abdullah (3), Wickneswari Ratnam (4)
(1) School of Environmental and Natural Resource Sciences, Universiti Kebangsaan Malaysia
(2) Department of Food Science, University Putra Malaysia
(3) School of Chemical Science and Food Technology, University Kebangsaan Malaysia
(4) School of Environmental and Natural Resource Sciences, Universiti Kebangsaan Malaysia
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How to cite (IJASEIT) :
Fasahat, Parviz, et al. “Amylose Content and Grain Length of New Rice Transgressive Variants Derived from a Cross Between O. Rufipogon and Malaysian Rice Cultivar MR219”. International Journal on Advanced Science, Engineering and Information Technology, vol. 2, no. 4, Aug. 2012, pp. 291-4, doi:10.18517/ijaseit.2.4.206.
Citation Format :
Amylose content is one of the important grain quality properties of rice. A total of 10 new rice genotypes (BC2F7 generation) derived from a cross between O. rufipogon Griff. accession IRGC105491 and O. sativa subspecies indica cv. MR219 with high yield were evaluated for amylose content in three environments in Peninsular Malaysia. One of the parents, a popular high yielding Malaysian rice cultivar MR219 was used as a check. Based on the average amylose content across the environments, the genotype G13 showed significantly (p < 0.05) different amylose content (23.88 %) in comparison to other genotypes. Two genotypes G13 (25.7%) and G15 (25.6%) were higher than MR219 (25.1%) in terms of amylose content in Sungai Besar environment. There was a positive (r2=0.018) but no significant correlation between amylose content and grain length.

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