Table 2.

Phenotypic variability for scion architecture and flowering

Variable	Year		N	Mean	SE Mean	StDev	Min	Q1	Median	Q3	Max
Number of branches per tree	1	OHxLBJ	385	6.8	0.2	4.6	0	3	7	10	20
		QC	49	8.4	0.7	4.9	0	5	8	11	21
	2	OHxLBJ	389	37.5	0.8	15.9	0	26	38	47	107
		QC	50	36.2	2.1	14.6	10	25	37	47	74
	3	OHxLBJ	276	60.4	2.0	32.6	0	38	59	81	169
		QC	49	42.7	3.3	23.3	7	27	39	58	108
Total tree height	1	OHxLBJ	382	127.5	1.3	25.0	14	121	134	142	183
		QC	47	110.5	3.7	25.3	52	101	118	126	157
	2	OHxLBJ	382	205.5	1.7	33.5	65	188	203	226	303
		QC	47	191.5	4.3	29.5	129	168	190	206	251
	3	OHxLBJ	379	298.4	2.6	50.4	74	270	302	332	443
		QC	46	284.8	5.7	38.4	181	260	285	318	354
	4	OHxLBJ	403	376.8	4.6	91.7	29	350	400	433	546
		QC	50	347.4	13.0	91.9	58	330	374	400	449
Length of the new main axis growth	2	OHxLBJ	388	78.0	1.2	24.5	10	60	69	97	154
		QC	50	82.1	2.5	17.8	47	70	81	91	121
	3	OHxLBJ	402	93.3	1.4	27.9	6	75	99	114	144
		QC	49	93.2	3.1	21.5	52	77	96	112	127
	4	OHxLBJ	400	96.9	0.9	18.5	11	92	101	108	127
		QC	47	90.9	2.7	18.6	18	82	94	105	116
Inflorescence	3	OHxLBJ	405	12.5	1.1	23.0	0	0	2	15	136
		QC	50	45.9	6.1	43.1	0	10	35	67	176
	4	OHxLBJ	403	117.9	4.3	85.6	0	44	110	181	458
		QC	50	119.6	8.9	62.7	0	71	114	161	293
Axillary inflorescence	2	OHxLBJ	405	2.2	0.4	7.1	0	0	0	0	63
		QC	50	22.5	4.1	28.8	0	2	11	36	123
	4	OHxLBJ	402	4.3	0.4	8.5	0	0	1	5	69
		QC	49	5.9	0.9	6.0	0	1	4	11	22
Number of nodes per tree	1	OHxLBJ	383	42.6	0.4	7.1	8	40	44	47	58
		QC	47	38.0	1.0	7.1	18	34	38	43	50
	2	OHxLBJ	386	32.6	0.4	7.4	9	27	30	40	50
		QC	50	32.8	0.8	5.8	22	28	32	38	42
Number of spurs per tree	1	OHxLBJ	385	10.1	0.3	6.8	0	5	9	14	42
		QC	49	5.6	0.6	3.9	0	3	5	9	16
	2	OHxLBJ	389	43.3	1.7	33.0	0	15	36	66	179
		QC	50	42.7	4.4	31.2	0	16	39	57	124
	3	OHxLBJ	276	197.5	5.0	83.5	15	134	195	253	557
		QC	49	242.8	14.2	99.7	56	159	238	315	454
TCA of the trunk	1	OHxLBJ	383	0.6	0.0	0.2	0	0	1	1	1
		QC	47	0.7	0.0	0.3	0	1	1	1	1
	2	OHxLBJ	387	1.7	0.0	0.7	0	1	2	2	5
		QC	50	1.9	0.1	0.6	1	1	2	2	3
	3	OHxLBJ	404	3.8	0.1	1.6	0	3	4	5	10
		QC	50	4.0	0.2	1.2	2	3	4	5	7
	4	OHxLBJ	402	5.9	0.1	2.6	0	4	6	8	14
		QC	49	5.4	0.2	1.6	2	4	5	7	10
TCA of the rootstock	3	OHxLBJ	404	7.5	0.1	2.8	1	6	7	9	18
		QC	50	3.3	0.1	1.0	2	3	3	4	6
	4	OHxLBJ	402	10.6	0.2	4.1	1	8	10	13	27
		QC	49	5.1	0.2	1.7	2	4	5	6	11
TCA secondary main axis growth	3	OHxLBJ	399	1.1	0.0	0.5	0	1	1	1	4
		QC	49	1.3	0.1	0.4	1	1	1	2	2
TCA tertiary main axis growth	3	OHxLBJ	399	0.6	0.0	0.3	0	0	1	1	3
		QC	49	0.7	0.0	0.2	0	1	1	1	1

Variability is shown for the pear OHxLBJ segregating population and Quince C (QC) controls grafted with ‘Comice’. TCA Trunk cross-sectional area, N Number of non-missing values, SE Mean Standard error of mean, StDev Standard deviation, Q1 First quartile, Q3 Third quartile