Evidence of epistatic suppression of repeat fruiting in cultivated strawberry

Lewers, K. S.; Castro, P.; Hancock, J. F.; Weebadde, C. K.; Die, J. V.; Rowland, L. J.

doi:10.1186/s12870-019-1984-7

BMC Plant Biology

Table 2 Observed and predicted phenotypes, marker profiles, and segregation ratios of strawberry (F. ×ananassa) breeding parents and families at the USDA-ARS, Beltsville, MD

From: Evidence of epistatic suppression of repeat fruiting in cultivated strawberry

Breeding families 2016			No. progeny			Observed parental phenotype			Parental phenotype predicted by marker profile			Phenotype-predicted segregation	Marker-predicted segregation, single-locus model	Simplest best-fit to observed segregation
M^a	×	P	All	N	F	M	×	P	M	×	P	Phenotype-predicted segregation	Marker-predicted segregation, single-locus model	Ratio	P > ×2
B2396	×	B1031	104	42	62	jb	×	jb	RB	×	RB	N	F or 1 N:3F	7 N:9F or 3 N:5F	0.4890 or 0.5434
B1776RB	×	“	104	35	69	RB	×	jb	jb or RB	×	RB	F or 1:1	F, 1:1, or 1 N:3F	3 N:5F	0.4178
B2483	×	“	104	72	32	jb	×	jb	jb or RB	×	RB	N	F, 1:1, or 1 N:3F	13 N:3F, 3 N:1F, 5 N:3F	0.1742, 0.1742, 0.1562
B2475	×	“	104	87	17	jb	×	jb	RB	×	RB	N	F or 1 N:3F	7 N:1F	0.2356
B2474	×	“	104	104	0	jb	×	jb	RB	×	RB	N^b	F or 1 N:3F	N	0
B2326	×	B1543RB	114	75	39	jb	×	RB	jb or RB	×	RB^b	F or 1:1	F, 1:1, or 1 N:3F	5 N:3F	0.4682
B1082RB	×	B1580	114	55	59	RB	×	jb	RB^b	×	jb or RB	F or 1:1^b	F, 1:1^b, or 1 N:3F	1 N:1F or 7 N:9F	0.7079 or 0.3332
B1788	×	“	124	66	58	RB	×	jb	jb or RB	×	jb or RB	F or 1:1^b	N, F, 1:1^b, or 1 N:3F	9 N:7F or 1 N:1F	0.4972 or 0.4725
B2075	×	B1776RB	120	63	57	jb	×	RB	jb or RB	×	jb or RB	F or 1:1^b	N, F, 1:1^b, or 1 N:3F	9 N:7F or 1 N:1F	0.4076 or 0.5839
B2065	×	B1788	120	34	86	jb	×	RB	jb^b	×	jb or RB	F or 1:1	N, F, or 1:1	1 N:3F	0.3991
B1540RB	×	B1806	124	28	96	RB	×	jb	RB^b	×	RB	F or 1:1	F or 1 N:3F^b	1 N:3F	0.5338
B1547RB	×	“	129	30	99	RB	×	jb	RB^b	×	RB	F or 1:1	F or 1 N:3F^b	1 N:3F	0.6473
B1846RB	×	“	128	34	94	RB	×	jb	RB^b	×	RB	F or 1:1	F or 1 N:3F^b	1 N:3F	0.6831
B1543RB	×	“	130	97	33	RB	×	jb	RB^b	×	RB	F or 1:1	F or 1 N:3F	13 N:3F or 3 N:1F	0.9193 or 0.9193
B2409RB	×	“	90	41	49	RB	×	jb	RB^b	×	RB	F or 1:1^b	F or 1 N:3F	1 N:1F or 7 N:9F	0.3991 or 0.7299
B1788	×	“	130	59	71	RB	×	jb	jb or RB	×	RB	F or 1:1^b	F, 1:1^b, or 1 N:3F	1 N:1F or 7 N:9F	0.2926 or 0.7071
B2325	×	“	130	60	70	RB	×	jb	RB^b	×	RB	F or 1:1^b	F or 1 N:3F	1 N:1F or 7 N:9F	0.3805 or 0.5806
B2411RB	×	“	119	63	56	RB	×	jb	RB^b	×	RB	F or 1:1^b	F or 1 N:3F	9 N:7F or 1 N:1F	0.4669 or 0.5211
B2400	×	“	119	93	26	jb	×	jb	jb^b	×	RB	N	F or 1:1	13 N:3F or 3 N:1F	0.4273 or 0.4273
B2484	×	“	116	91	25	jb	×	jb	jb^b	×	RB	N	F or 1:1	13 N:3F or 3 N:1F	0.3911 or 0.3911
B2488	×	“	120	100	20	jb	×	jb	jb or RB	×	RB	N	F, 1 N:1F, or 1 N:3F	7 N:1F	0.1675
B2480	×	B1820	119	93	26	jb	×	jb	jb^b	×	jb^b	N	N	13 N:3F or 3 N:1F	0.4273 or 0.4273
B2473	×	“	120	116	4	jb	×	jb	jb^b	×	jb^b	N	N	15 N:1F	0.1869
B2072	×	B2325	56	37	19	jb	×	RB	RB	×	RB^b	F or 1:1	F or 1 N:3F	13 N:3F, 3 N:1F, 5 N:3F, 9 N:7F	0.1228, 0.1228, 0.5809, 0.1385
B2079	×	B2396RB	120	70	50	jb	×	jb	RB	×	RB	N	F or 1 N:3F	5 N:3F or 9 N:7F	0.3458 or 0.6455
B2072	×	B2411	130	82	48	jb	×	RB	RB	×	RB^b	F or 1:1	F or 1 N:3F	5 N:3F or 9 N:7F	0.8919 or 0.1166
B2476	×	B793	130	81	49	jb	×	jb	jb or RB	×	RB	N	F, 1 N:1F, or 1 N:3F	5 N:3F or 9 N:7F	0.9639 or 0.1638
B2479	×	“	130	105	25	jb	×	jb	jb	×	RB	N	F or 1:1	13 N:3F or 3 N:1F	0.1287 or 0.1287
B1547RB	×	Strawberry Festival	120	6	114	RB	×	jb	RB^b	×	jb^b	F or 1:1	F or 1:1	1 N:15F	0.5716
B2396	×	“	137	9	128	jb	×	jb	RB	×	jb^b	N	F or 1:1	1 N:15F	0.8773
B1543RB	×	“	120	37	83	RB	×	jb	RB^b	×	jb^b	F or 1:1	F or 1:1	3 N:5F or 1 N:3F	0.1314 or 0.1400

^aM - Maternal; P - Paternal; jb - Once fruiting; RB- repeat fruiting; N - Did not flower the first year; F - Flowered the first year; ^b - Predicted phenotype or segregation ratio fit observed phenotype or segregation ratio

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ISSN: 1471-2229

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