Kernel elongation in rice
- 12 December 2012
- journal article
- review article
- Published by Wiley in Journal of the Science of Food and Agriculture
- Vol. 93 (3), 449-456
- https://doi.org/10.1002/jsfa.5983
Abstract
Kernel elongation after cooking is an important character of fine rice and most rice consumers prefer length‐wise elongation. Although improvement of aromatic rice began early in the 1970s, until now the mechanisms and genetics of kernel elongation has remained unrevealed. Kernel elongation is considered as a physical phenomenon and is influenced by several physicochemical and genetic factors, including genotypes, aging temperature, aging time, water uptake, amylose content and gelatinization temperature. Recently the complete genetic map of fine rice has been created and the gene responsible for kernel length identified; moreover, this gene is tightly linked with the cooked kernel elongation trait. Several molecular markers linked with cooked kernel elongation have been developed. These tools will be helpful for the improvement of this important trait. For the proper study of cooked kernel elongation of rice, this review paper will provide the basis and directional materials for further studies.© 2012 Society of Chemical IndustryKeywords
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