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. 2021 Jan 25;134(4):1253–1262. doi: 10.1007/s00122-021-03771-9

Fig. 4.

Fig. 4

Epistatic effects estimated in the lines with two or three QTLs for SER. a Plant type of HJX74 and pyramiding line P223. Scale bar, 15 cm. b Position of the three QTLs for SER in P223. Black part represents substitution segments from IR66897B (IB) with target QTLs, and white part is the genetic background of HJX74. c Epistatic effects estimated in S22, S33 and P223. S22 is a group of the SSSLs carrying qSER-2a and qSER-2b. S33 is a group of the SSSLs carrying qSER-3a and qSER-3b. P223 is a pyramiding line with qSER-2a, qSER-2b and qSER-3a. Student’s t test. SER stigma exsertion rate, SSSL single-segment substitution line