Screening of Rice Germplasm Resources and Mapping QTLs for Traits Related with Potassium Deficiency Resistance at Seedling Stage

doi:10.13430/j.cnki.jpgr.20190121002

2025-5-4- 0

Home > Archive>Volume 20, Issue 5, 2019 >1262-1270. DOI:10.13430/j.cnki.jpgr.20190121002

Screening of Rice Germplasm Resources and Mapping QTLs for Traits Related with Potassium Deficiency Resistance at Seedling Stage
DOI:
                        10.13430/j.cnki.jpgr.20190121002
                    
CSTR:
                        
                    
Author:
                        LUO Xi1,2LUO Xi
1Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350019; 2State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops/Key Laboratory of Germplasm Innovation and Molecular Breeding of Hybrid Rice for South China, Ministry of Agriculture/Fuzhou Branch, National Rice Improvement Center/Incubator of National Key Laboratory of Germplasm Innovation and Molecular Breeding Between Fujian and Ministry of Sciences & Technology/Base of South-China, National Key Laboratory of Hybrid Rice/Fujian Engineering Laboratory of Crop Molecular Breeding/Fujian Key Laboratory of Rice Molecular Breeding/ National Engineering Laboratory of Rice, Fuzhou, Fujian 350003
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WU Fang-xi1,2WU Fang-xi
1Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350019; 2State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops/Key Laboratory of Germplasm Innovation and Molecular Breeding of Hybrid Rice for South China, Ministry of Agriculture/Fuzhou Branch, National Rice Improvement Center/Incubator of National Key Laboratory of Germplasm Innovation and Molecular Breeding Between Fujian and Ministry of Sciences & Technology/Base of South-China, National Key Laboratory of Hybrid Rice/Fujian Engineering Laboratory of Crop Molecular Breeding/Fujian Key Laboratory of Rice Molecular Breeding/ National Engineering Laboratory of Rice, Fuzhou, Fujian 350003
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LIN Qiang1,2LIN Qiang
1Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350019; 2State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops/Key Laboratory of Germplasm Innovation and Molecular Breeding of Hybrid Rice for South China, Ministry of Agriculture/Fuzhou Branch, National Rice Improvement Center/Incubator of National Key Laboratory of Germplasm Innovation and Molecular Breeding Between Fujian and Ministry of Sciences & Technology/Base of South-China, National Key Laboratory of Hybrid Rice/Fujian Engineering Laboratory of Crop Molecular Breeding/Fujian Key Laboratory of Rice Molecular Breeding/ National Engineering Laboratory of Rice, Fuzhou, Fujian 350003
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LIAN Ling1,2LIAN Ling
1Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350019; 2State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops/Key Laboratory of Germplasm Innovation and Molecular Breeding of Hybrid Rice for South China, Ministry of Agriculture/Fuzhou Branch, National Rice Improvement Center/Incubator of National Key Laboratory of Germplasm Innovation and Molecular Breeding Between Fujian and Ministry of Sciences & Technology/Base of South-China, National Key Laboratory of Hybrid Rice/Fujian Engineering Laboratory of Crop Molecular Breeding/Fujian Key Laboratory of Rice Molecular Breeding/ National Engineering Laboratory of Rice, Fuzhou, Fujian 350003
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HE Wei1,2HE Wei
1Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350019; 2State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops/Key Laboratory of Germplasm Innovation and Molecular Breeding of Hybrid Rice for South China, Ministry of Agriculture/Fuzhou Branch, National Rice Improvement Center/Incubator of National Key Laboratory of Germplasm Innovation and Molecular Breeding Between Fujian and Ministry of Sciences & Technology/Base of South-China, National Key Laboratory of Hybrid Rice/Fujian Engineering Laboratory of Crop Molecular Breeding/Fujian Key Laboratory of Rice Molecular Breeding/ National Engineering Laboratory of Rice, Fuzhou, Fujian 350003
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XIE Hong-guang1,2XIE Hong-guang
1Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350019; 2State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops/Key Laboratory of Germplasm Innovation and Molecular Breeding of Hybrid Rice for South China, Ministry of Agriculture/Fuzhou Branch, National Rice Improvement Center/Incubator of National Key Laboratory of Germplasm Innovation and Molecular Breeding Between Fujian and Ministry of Sciences & Technology/Base of South-China, National Key Laboratory of Hybrid Rice/Fujian Engineering Laboratory of Crop Molecular Breeding/Fujian Key Laboratory of Rice Molecular Breeding/ National Engineering Laboratory of Rice, Fuzhou, Fujian 350003
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CHEN Li-ping1,2CHEN Li-ping
1Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350019; 2State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops/Key Laboratory of Germplasm Innovation and Molecular Breeding of Hybrid Rice for South China, Ministry of Agriculture/Fuzhou Branch, National Rice Improvement Center/Incubator of National Key Laboratory of Germplasm Innovation and Molecular Breeding Between Fujian and Ministry of Sciences & Technology/Base of South-China, National Key Laboratory of Hybrid Rice/Fujian Engineering Laboratory of Crop Molecular Breeding/Fujian Key Laboratory of Rice Molecular Breeding/ National Engineering Laboratory of Rice, Fuzhou, Fujian 350003
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ZHU Yong-sheng1,2ZHU Yong-sheng
1Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350019; 2State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops/Key Laboratory of Germplasm Innovation and Molecular Breeding of Hybrid Rice for South China, Ministry of Agriculture/Fuzhou Branch, National Rice Improvement Center/Incubator of National Key Laboratory of Germplasm Innovation and Molecular Breeding Between Fujian and Ministry of Sciences & Technology/Base of South-China, National Key Laboratory of Hybrid Rice/Fujian Engineering Laboratory of Crop Molecular Breeding/Fujian Key Laboratory of Rice Molecular Breeding/ National Engineering Laboratory of Rice, Fuzhou, Fujian 350003
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WEI Yi-dong1,2WEI Yi-dong
1Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350019; 2State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops/Key Laboratory of Germplasm Innovation and Molecular Breeding of Hybrid Rice for South China, Ministry of Agriculture/Fuzhou Branch, National Rice Improvement Center/Incubator of National Key Laboratory of Germplasm Innovation and Molecular Breeding Between Fujian and Ministry of Sciences & Technology/Base of South-China, National Key Laboratory of Hybrid Rice/Fujian Engineering Laboratory of Crop Molecular Breeding/Fujian Key Laboratory of Rice Molecular Breeding/ National Engineering Laboratory of Rice, Fuzhou, Fujian 350003
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JIANG Jia-huan1,2JIANG Jia-huan
1Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350019; 2State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops/Key Laboratory of Germplasm Innovation and Molecular Breeding of Hybrid Rice for South China, Ministry of Agriculture/Fuzhou Branch, National Rice Improvement Center/Incubator of National Key Laboratory of Germplasm Innovation and Molecular Breeding Between Fujian and Ministry of Sciences & Technology/Base of South-China, National Key Laboratory of Hybrid Rice/Fujian Engineering Laboratory of Crop Molecular Breeding/Fujian Key Laboratory of Rice Molecular Breeding/ National Engineering Laboratory of Rice, Fuzhou, Fujian 350003
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XIE Hua-an1,2XIE Hua-an
1Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350019; 2State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops/Key Laboratory of Germplasm Innovation and Molecular Breeding of Hybrid Rice for South China, Ministry of Agriculture/Fuzhou Branch, National Rice Improvement Center/Incubator of National Key Laboratory of Germplasm Innovation and Molecular Breeding Between Fujian and Ministry of Sciences & Technology/Base of South-China, National Key Laboratory of Hybrid Rice/Fujian Engineering Laboratory of Crop Molecular Breeding/Fujian Key Laboratory of Rice Molecular Breeding/ National Engineering Laboratory of Rice, Fuzhou, Fujian 350003
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ZHANG Jian-fu1,2ZHANG Jian-fu
1Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350019; 2State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops/Key Laboratory of Germplasm Innovation and Molecular Breeding of Hybrid Rice for South China, Ministry of Agriculture/Fuzhou Branch, National Rice Improvement Center/Incubator of National Key Laboratory of Germplasm Innovation and Molecular Breeding Between Fujian and Ministry of Sciences & Technology/Base of South-China, National Key Laboratory of Hybrid Rice/Fujian Engineering Laboratory of Crop Molecular Breeding/Fujian Key Laboratory of Rice Molecular Breeding/ National Engineering Laboratory of Rice, Fuzhou, Fujian 350003
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Affiliation:1Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350019;2State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops/Key Laboratory of Germplasm Innovation and Molecular Breeding of Hybrid Rice for South China, Ministry of Agriculture/Fuzhou Branch, National Rice Improvement Center/Incubator of National Key Laboratory of Germplasm Innovation and Molecular Breeding Between Fujian and Ministry of Sciences & Technology/Base of South-China, National Key Laboratory of Hybrid Rice/Fujian Engineering Laboratory of Crop Molecular Breeding/Fujian Key Laboratory of Rice Molecular Breeding/ National Engineering Laboratory of Rice, Fuzhou, Fujian 350003
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Fund Project:National key research and development projects(2017YFD0100100)； The provincial public welfare project of department of science and technology in Fujian provincial,China in 2016 (2016R1020-11)

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Abstract:

159 genetically-variable rice varieties were tested for low potassium tolerance according to the synthetic appraisal index. The results indicated that there were 18 and 10 rice varieties that were tolerant and sensitive to potassium deficiency, respectively. By deployment of the recombinant inbred lines (RILs) that were derived from the crossing between the varieties of Tainong67 (potassium tolerant) and Zhixi (potassium sensitive), 27 QTLs for potassium deficiency resistance were detected. The LOD values arranged from 2.52 to 9.23, which explained the phenotypic variance of 2.22% to 7.25%. A major QTL qKC-2 was mapped on chromosome 2 of rice. This locus was yet reported, and might encode for an unknown gene that is valuable for future fine mapping and gene isolation. The newly-developed indel markers could be used to rapidly screen the genotypes with potassium deficiency resistance, thus shortening the breeding period. The lines with good agronomic traits and potassium deficiency resistance could be chosen from RILs and applied to rice breeding directly.

Key words:rice;varieties; potassium deficiency resistance;QTL;synthetic appraisal index

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Received:January 21,2019
Revised:January 28,2019
Adopted:February 11,2019
Online: September 17,2019
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