TMS2

AcronymDefinition
TMS2The Mothership 2
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Table 2/Measurement Model Results Measurement Items Standardized Weight Critical Ratio TMS1 0.900 (Fixed) TMS2 0.970 18.337 TMS3 0.871 14.757 SVV1 0.787 (Fixed) SVV2 0.958 11.086 SVV3 0.786 9-772 JDP1 0.859 (Fixed) JDP2 0.848 11.773 JDP3 0.853 11.867 RSE1 0.797 (Fixed) RSE2 0.810 10.187 RSE3 0.817 10.303 RSE4 0.809 10.176 RSE5 0.786 9.796 RSE6 0.692 8.338 FMP1 0.815 (Fixed) FMP2 0.778 9.698 FMP3 0.787 9.851 FMP4 0.751 9.262 FMPS 0.767 9.521 Fit statistics: chi-square = 270.829 (df = 160, p < 0.001), CMIN/DF = 1.693, CFI = 0.940, NNFI = 0.929, RMSEA = 0.074 Table 3/Hypothesized Paths Testing Path St.
A segregating F2 population consisting of 157 plants derived from the cross Norin PL12/KDML105 was used as mapping population to find microsatellite markers associated with tms2. Norin PL12 is the original source of the tms2 gene, while KDML105 is a popular Thai aromatic rice cultivar.
Four microsatellite markers (RM2, RM10, RM11, and RM214) on chromosome 7 in the vicinity of tms2 and showing polymorphism between the two parents were used in genotyping the 157 [F.sub.2] plants.
The tms2 gene was previously transferred from Norin PL12 to the IRRI breeding lines designated as IR68935-16-6-27 and IR68942-1-6-13-B-4 (IRRI, 1997).
The reversion of the fertile plants to sterile plants under high temperature in the critical stage indicated the presence of tms2 gene.
Linkage analysis of the data indicated that RM11 and RM2 flank the tms2 locus on chromosome 7.
Microsatellite markers RM2 and RM11 were used to identify B[C.sub.2][F.sub.1] plants with the tms2 allele.