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Table 1 Genotype segregation of markers linked to S loci in anther culture-induced calli derived from interspecific F1 hybrids between O. sativa and O. glaberrima

From: Anther culture in rice proportionally rescues microspores according to gametophytic gene effect and enhances genetic study of hybrid sterility

S loci Functiona Chr. Markers No. of calli (frequency)c χ2(1:1) Allele transmitted preferentially via pollenc References
s g
S 1 Ge 6 RM19359 RM204 5 (0.10) 47 (0.90) 33.92** g [6, 17, 34]
S 3 Pk 11 RM536b 18 (0.35) 34 (0.65) 4.92* g [7]
S 18 Pk 10 RM25321b 29 (0.56) 23 (0.44) 0.69 [8]
S 19 Pk 3 RM60b 9 (0.17) 43 (0.83) 22.23** g [9, 35]
S 20 Pk 7 RM82b 13 (0.25) 38 (0.75) 12.25 ** g [8]
S 21 Pk 7 RM429b 47 (0.90) 5 (0.10) 33.92** s [8]
S29(t) Pk 2 RM279b 46 (0.88) 6 (0.12) 30.77** [11]
S34(t) Pk 3 RM7 26 (0.50) 26 (0.50) 0.00 [13]
S36(t) Pk 2 RM207 29 (0.56) 23 (0.44) 0.69 [14]
S37(t) Ge 1 RM449 33 (0.63) 19 (0.37) 3.77 g [15, 37]
S38(t) Pk 4 RM16260 27 (0.52) 25 (0.48) 0.08 [15]
  1. Asterisks aberrant segregation to the theoretical ratio (s:g = 1:1): *p < 0.05; **p< 0.01. 1
  2. aGe gamete eliminator, Pk pollen killer
  3. bunique markers selected based on the mapping in previous studies shown in Reference column
  4. cs, O. Sativa allele; g, O. glaberrima allele; –, unknown