Fig. 3

Principal Components Analysis Biplot: а) interaction between Rht-B1p and Vrn-B1a, Moscow; b) interaction between Rht-B1p and Ppd-D1a, Moscow; c) interaction between Rht-B1p and Vrn-B1a, Krasnodar; d) interaction between Rht-B1p and Ppd-D1a, Krasnodar. Depiction of genotypes of families for a and c are shown as follows: ○, RRVV; ●, RRvv; ◐, rrVV; ⊙, rrvv; depiction of genotypes of families for b и d: ○, RRPP, ●, RRpp; ◐, rrPP, ⊙, rrpp. Vectors are shown in full lines; dashed lines are used for the labels