BMC Plant Biology

Table 2 Correlations between bud set traits in a Populus nigra full-sib family (POP5).

From: Phenotypic plasticity, QTL mapping and genomic characterization of bud set in black poplar

	(a)							(b)
	date2.5	date2	date1.5	date1	date0.5	subproc1	subproc2	date2.5	date2	date1.5	date1	date0.5	subproc1	subproc2
date2.5		0.97	0.89	0.81	0.62		-0.84		0.98	0.93	0.83	0.63		-0.24
		***	***	***	***		***		***	***	***	***		**
date2	0.99		0.96	0.89	0.61		-0.92	0.99		0.98	0.90	0.69		-0.20
	0.00		***	***	***		***	0.00		***	***	***		*
date1.5	0.93	0.97		0.97	0.63	0.24	-0.96	0.98	1.00		0.96	0.76	0.36	-0.12
	0.01	0.00		***	***	**	***	0.00	0.00		***	***	***	ns
date1	0.87	0.93	0.98		0.68	0.33		0.96	0.99	1.00		0.88	0.50
	0.02	0.01	0.00		***	***		0.01	0.00	0.00		***	***
date0.5	0.78	0.72	0.58	0.84		0.03		0.88	0.93	0.96	0.98		0.49
	0.03	0.04	0.05	0.02		ns		0.02	0.01	0.01	0.00		***
subproc1			-0.08	-0.17	0.11		-0.27			-0.31	-0.42	-0.59		0.28
			0.08	0.08	0.08		***			0.07	0.07	0.05		***
subproc2	-0.92	-0.98	-1.00			0.08		-0.56	-0.47	-0.37			0.74
	0.01	0.00	0.01			0.08		0.06	0.06	0.07			0.04

POP5 grown in two experimental sites in Italy: Cavallermaggiore (CV) and Viterbo (VT). Data were analyzed on cumulative night length (CNL) basis. (a) Within site phenotypic (above the diagonal) and genetic (below the diagonal, with ± standard deviation (SD)) correlations for CV and (b) likewise for VT. The levels of significance of the Pearson coefficient are indicated as: ns, non-significant; *, P ≤ 0.05; **, P ≤ 0.01; ***, P ≤ 0.001.

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