Analysis of Genetic Similarity for Improved Japonica Rice Varieties from Different Provinces and Cities in China |
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| Authors: | SHU Ai-ping ZHANG Yuan-yuan CAO Gui-lan LU Qin ZHANG San-yuan HAN Long-zhi |
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| Institution: | 1. Institute of Crop Sciences, Chinese Academy of Agricultural Sciences/National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI)/Key Laboratory of Crop Germplasm Resources and Utilization, Ministry of Agriculture, Beijing 100081, P.R. China;2. College of Crop Science, Fujian Agricultural and Forestry University, Fuzhou 350002, P.R.China;3. Rice Research Institute, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, P.R.China;4. Institute of Rice Research, Jilin Academy of Agricultural Sciences, Gongzhuling 136100, P.R.China;1. Central Soil Salinity Research Institute, Regional Research Station, Canning Town, W. B., India;2. International Rice Research Institute, Delhi office, India;3. Central Soil Salinity Research Institute, Karnal, Haryana, India;4. International Rice Research Institute, Los Baños, Philippines;5. Australian Centre for Plant Functional Genomics, University of Adelaide, Australia;1. University of Natural Resources and Life Sciences Vienna, Department of Crop Sciences, Konrad Lorenz Str. 24, 3430 Tulln, Austria;2. Bioenergy 2020+ GmbH, Konrad Lorenz Str. 20, A-3430 Tulln, Austria;3. Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Department of Technology Assessment and Substance Cycles, Potsdam-Bornim e.V. Max-Eyth-Allee 100, 14469 Potsdam, Germany;4. University of Natural Resources and Life Sciences Vienna, Department of Forest- and Soil Sciences, Peter-Jordan-Straße 82, 1190 Vienna, Austria |
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| Abstract: | To provide a genetic basis for japonica rice breeding,the genetic similarity and cluster of 139 accessions of improved japonica rice varieties from 12 provinces and cities of China were analyzed using 34 S SR markers.Totally 198 alleles were detected among these improved japonica rice varieties with the average number of alleles per pair of primers was 5.3235.RM320,RM531,RM1,RM286,and RM336 showed more alleles,which were 15,12,11,9,and 9,respectively.RM320,RM336,RM286 and RM531 showed higher genetic diversity indexes,which were 2.3324,2.0292,1.8996,and 1.7820,respectively.The range of genetic similar index among improved japonica rice varieties from different provinces was from 0.321 to 0.914,with the average of 0.686.There was a high genetic similarity among improved japonica rice varieties from Heilongjiang,Jilin,Liaoning,Ningxia,and Yunnan,which were located in similar latitude or similar ecological environment,while there was a low genetic similarity between improved japonica rice varieties from Guizhou and Jiangsu,and other provinces which were located in more different latitudes and ecological environments.The markers of RM320,RM531,RM1,RM286,and RM336 fit to be used in analysis of genetic diversity for improved japonica rice variety.The genetic similarity among improved japonica rice varieties from different provinces was closely associated with genetic basis of parents,and was also correlated with latitude and ecological environment where the varieties were bred. |
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| Keywords: | improved japonica rice variety genetic similarity genetic basis of parent ecological and climatic environment SSR marker |
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