The loss-of-function GLABROUS 3 mutation in cucumber is due to LTR-retrotransposon insertion in a class IV HD-ZIP transcription factor gene CsGL3 that is epistatic over CsGL1

Table 1 Phenotypic segregation at the CsGL3 locus among different populations

Populations	# Plants examined	Wild type (CsGL3_)	Glabrous (csgl3csgl3)	Expected ratio (WT: mutant)	P-value
(9930 x RIL-46 M) F₂	665	484	181	3:1	0.1865
BC1P1 (9930× RIL-46 M)F1 × RIL-46 M	341	177	162	1:1	0.4125
BC1P2 (9930× RIL-46 M)F1 × 9930	96	96	0	1:0	-
(Gy14 × RIL-46 M) F₂	384	283	101	3:1	0.5557

ISSN: 1471-2229