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Introgression of semi-dwarf gene in Kalanamak rice using marker-assisted selection breeding

机译:用标记辅助选择育种胞长型kalanamak米半矮化基因的迟发

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Kalanamak is an important aromatic rice variety in India. Tall stature of Kalanamak causes lodging due to which its yield and other characters severely declines. Introgression of the semi-dwarfing gene (sd(1)) from CSR10 was performed with the help of marker-assisted breeding. Backcross-derived plants were characterized for semi-dwarf nature. Improved Kalanamak lines were analysed for the sd(1) gene and to check the presence of aroma, sensory analysis test and amplification with betaine aldehyde dehydrogenase 2 (badh 2) derived primer was performed. Improved versions of Kalanamak rice lines were either on par or superior in terms of yield, grain type and cooking quality with reduced height implicating the potentiality of marker-assisted backcross breeding for improvement of this rice variety.
机译:Kalanamak是印度的重要芳香米品种。 Kalanamak的身材高大导致住宿导致其产量和其他人物严重下降。 根据标志物辅助育种进行CSR10的半矮化基因(SD(1))的迟发。 rescross衍生的植物的特征是半矮状性质。 分析改进的Kalanamak线,用于SD(1)基因,并检查芳香族的存在,用甜菜碱醛脱氢酶2(BADH 2)衍生引物进行感官分析试验和扩增。 Kalanamak米线的改进版本在产量,晶粒类型和烹饪质量方面是对靶的或优越的,并且高度降低暗示标记辅助回复育种改善这种稻种的潜力。

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