Population Structure and Diversity of Southeast Asian Rice Varieties
Muhamad SabranAgriculture and Food Research Organization, National Research and Innovation Agency,Puji LestariCibinong Science Center, Jl Jakarta-Bogor no 147, Cibinong, IndonesiaDwinita Wikan UtamiCibinong Science Center, Jl Jakarta-Bogor no 147, Cibinong, IndonesiaKarden MulyaAgriculture and Food Research Organization, IndonesiaDani SatyawanCibinong Science Center, Jl Jakarta-Bogor no 147, Cibinong, IndonesiaSusilawati SusilawatiRerenstradika Nizar TerryanaAgriculture and Food Research Organization, National Research and Innovation Agency,Kristianto NugrohoAgriculture and Food Research Organization, IndonesiaMarilyn C. FerrerPhilippines Rice Research Center, Maligaya, Science City of Munoz, 3119 Nueva Ecija, PhilippinesRahiniza KamaruzamanMalaysian Agriculture Research and Development Institute Kuala Selangor, MalaysiaKoukham VilayheuangNational Agriculture and Forestry Research Institute (NAFRI), Nongviengkham Village, Xaythany District, Vientiane Capital, Lao P.D.R., Laos
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This study assessed the structure and genetic diversity of rice populations of Southeast Asian varieties, based on quantitative morphological and molecular traits. Population structure analysis revealed four distinct populations as ancestral origin of the varieties in the collection. Some traditional varieties from different countries share the same ancestry, while on the other hand, admixture was observed in the ancestry of some varieties. High diversity in quantitative morphological traits was confirmed in the rice collection. Spikelet fertility and plant height contributed significantly to the diversity.
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