Identification and classification of subspecies of Asian cultivated rice and their hybrids

Xiangkun Wang*, Renhua Li, Chuanqing Sun, Zichao Li, Hongwei Cai, Xinli Sun

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Having reviewed the major classification systems proposed by various scholars across the world, it is found that Indica and japonica under O. sativa L. are two major directions thoroughly differentiated from the Asian cultivated rice, forming the framework of the classification structure. A system with Indica and japonica as the only two subspecies is therefore reiterated. There are various ways to determine the Indica-japonica identity of hybrid rice, but the "combined morphological trait index" (CMT index) method is more efficient and easier to handle, although the Isozyme analysis, molecular marker analysis and grain quality assay methods are also feasible.

Original languageEnglish
Pages (from-to)1864-1872
Number of pages9
JournalChinese Science Bulletin
Volume43
Issue number22
DOIs
StatePublished - 1998
Externally publishedYes

Keywords

  • Asian cultivated rice
  • Classification
  • Identification
  • Intersubspeclfic hybrids
  • Subspecies

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