Three Thousand M1 seeds of KDML105 induced by 20 k-rad gamma-ray were grown for M1 Plants to produce M2 seeds for growing M2 plants. Segregated M2 plants were selected based on photo insensitivity, short stature, short harvest-age, drought tolerance, good...
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Three Thousand M1 seeds of KDML105 induced by 20 k-rad gamma-ray were grown for M1 Plants to produce M2 seeds for growing M2 plants. Segregated M2 plants were selected based on photo insensitivity, short stature, short harvest-age, drought tolerance, good growth with high seed yield under upland conditions. Seventy-two M2 lines were selected and their M3 seeds were grown as hill per line under upland conditions and 12 hills of 70th line were selected. M4 seeds of the selected hills were grown under both upland and transplanting conditions and 4 lines were selected namely KDML105’ 10 GR-TU-70-3, KDML105’ 10GR-TU-70-6, KDML105’ 10GR-TU-70-8 and KDML105’ 10GR-TU-70-10. Their M5 seeds were grown 4 rows per hill under both upland and transplanting conditions at Khlong5 and Khlong7 in Pathumthani. The results showed that all 4 selected lines had regular short statures and harvest ages, and the lines giving higher seed yields per rai (1600sq.m.) than KDML105 from high to low were KDML105’ 10G
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