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The Songkhram River, the third largest tributary of the Mekong, represents an important area of wetland biodiversity associated with the Mekong River system in tropical Southeast Asia. This area is endangered by human population growth and the associated spread of commerce and industry. Nevertheless, no adequate hydrochemical data are available to act as a baseline for further limnological studies...
The Asian cultivated rice, Oryza sativa L. (spp. indica or japonica), is assumed to have originated from one or both of the two wild Asian species, O. rufipogon Griff. and O. nivara Sharma and Shastry. They occur throughout the monsoon Asia and west Oceania. Fragrance is the most important trait among the domesticated characters of basmati and jasmine rice of Asia. The gene for fragrance in a scented...
Eighty-two varieties of rice from different regions in Thailand were selected to explore the Waxy(Wx)gene diversity and indica-japonica differentiation of chloroplast DNA. A comparison of the 5’ splice site in the first intron was made between glutinous and nonglutinous rice. It revealed that non-glutinous with low-amylose content and glutinous rice were characterized as the Wxb allele based...
Genetic diversity within and among populations was investigated using RAPD-PCR assays in a rare species, Afgekia sericea Craib. Two hundred and sixty-nine individuals were sampled from nine geographically isolated populations from northeastern Thailand. This study includes 73 RAPD markers. Within population polymorphism as measured by percentage of polymorphic RAPDs, varied between 38.4% and 60.3%...
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