The Inheritance of a Lesion Mimic Rice Line and Mapping of Its Lesion Mimic Gene

doi:10.7668/hbnxb.2015.04.002

Abstract

Abstract: To know the appearance of lesion mimic in a rice accession and understand the inheritance of its lesion mimic,Kangbaiyouzhan (Kbyz),an indica rice landrace,was researched in this study.Lesion observation,genetic analysis and gene mapping were applied in this study.It was found that Kbyz showed brown lesions firstly on middle leaves of the plants from booting stage,no matter it was planted at early season or late season.By genetic analysis,its lesion phenotype was found to be controlled by a single recessive gene,named lm-(t) tentatively,which was further mapped on the long arm of chromosome 11 using SSR and InDel markers.No genes response for rice lesion mimic are reported from chromosome 11 thus far,the gene in this study may be a novel lesion mimic gene.

Key words: Rice, Lesion mimic, Genetic analysis, Gene mapping

CLC Number:

XIAO Wu-ming, WU Ya-hui, WANG Hui, GUO Tao, LIU Yong-zhu, ZHANG Jian-guo, CHEN Zhi-qiang. The Inheritance of a Lesion Mimic Rice Line and Mapping of Its Lesion Mimic Gene[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2015, 30(4): 8-12. doi: 10.7668/hbnxb.2015.04.002.

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