| Improvement of non restorer lines (B-line) of sweet sorghum was carried out at the National Corn and Sorghum Research Center, Pakchong district, Nakhonratchasima province during 2005-2009 for 10 seasons, aimed to improve their yield components by backcrossing method for 3 generations and followed by 4 generations of pedigree selection. For pedigree selection procedure, line selection was compared to family selection method. In late rainy season 2009, it was found that 40 non restorer lines of sweet sorghum were selected from the line selection method. They had 54-62 days to flowering, 136-298 cm of plant height, 12-14 leaves per plant, 18-30 cm of panicle length, 10.1-15.8 percent brix of sweetness, 17-22 mm of stem diameter, 2.0-3.0 leaf diseases score,... |
