Mapping QTLs for blast resistance in recombination inbred line derived from Waixuan35 and Qisizhan

doi:10.11924/j.issn.1000-6850.050241

Chin Agric Sci Bull ›› 2005, Vol. 21 ›› Issue (2) : 41-41. DOI: 10.11924/j.issn.1000-6850.050241

Mao Xingxue, Luo Wenyong, Liu Yanzhuo, Chen Jianwei, Xiao xin, Li Xiaofang

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Abstract

A recombination inbred line derived from Waixuan35，a blast resistant rice material adopted widely in South China in 80~90’s, and Qisizhan , the earliest good eating quality variety in Guangdong, were constructed for QTL analysis of blast resistance. Rice blast pathogen strains, ZC-13 and ZC-15, were collected from Guangdong rice regions，and separated by single spore separation. The materials’ blast resistance was identified with single strain inoculation. 2 QTLs on RM117-RM179 have been detected with Mapmaker/exp 3.0 and QTLmapper 2.0. By testing the other 7 resistant cultivars derived from waixuan35, locus RM117 and RM179 come from Waixuan35. This result confirms the conclusion that Interval RM117-RM179 contains important resistant loci.

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Rice;Blast;QTL

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Mao Xingxue, Luo Wenyong, Liu Yanzhuo, Chen Jianwei, Xiao xin, Li Xiaofang. Mapping QTLs for blast resistance in recombination inbred line derived from Waixuan35 and Qisizhan[J]. Chinese Agricultural Science Bulletin. 2005, 21(2): 41-41 https://doi.org/10.11924/j.issn.1000-6850.050241

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