Induced Mutagenesis for Creating Variability in Thailand’s Upland Rice (Cv. Dawk Pa-yawm and Dawk Kha 50) using Ethyl Methane Sulphonate (EMS)
Ali Awais, Charassri Nualsri and Watcharin Soonsuwon*
Department of Plant Science, Faculty of Natural Resources, Prince of Songkla University, Hatyai, Songkhla Province, Thailand
[email protected]
Figure 1
Effect of various concentration of EMS on root length and decision of LD50.
Figure 2
Effect of various concentration of EMS on shoot length and decision of LD50.
Figure 3
Mean values comparison of the various studied traits in Dawk Pa- yawm and Dawk kha 50.
Figure 4
Representative variation for various traits in the mutagenized population of Dawk Pa-yawn and Dawk Kha 50. a): control panicle of Dawk Kha 50 showing no signs of awns; b): mutant of Dawk Kha 50 with purple awns; c): mutant of Dawk Kha 50 with white awns; d): Dawk Kha 50 mutant panicle; e): Dawk Kha 50 purple panicle mutant; f): representative variation in panicle colour of mutants; g): striated chlorophyll mutant of Dawk Pa-yawm; h): representative variation in grains of Dawk Kha 50 mutants with control seed on extreme left and representative variation in grains of Dawk Kha 50 mutants with control seed on extreme left and mutants at its right.
Figure 5
Representative variation for various root structures in mutagenized population of Dawk Pa-yawn and Dawk Kha 50. (left; Control-Right; Mutants); a): 24, 12, 34 Dawk Pa-yawm mutants; b): 9,23,14,17 Dawk kha 50 mutants.