The strong competitive role of 2n pollen in several polyploidy hybridizations in Rosa hybrida

BMC Plant Biology

Table 5 Correlation matrix of nine phenotypic traits in F1 plants of ‘Orange Fire’ × ‘Old Blush’

	Ploidy	Plant shape	Color	petal	Flower diameter	Top leaflet length	Top leaflet wide	Leaflet shape	Aculeus
ploidy	1	−0.03	0.07	0.19	0.49*	0.23	0.47*	0.44*	0.19
plant shape		1	−0.15	−0.19	0.00	0.22	0.00	−0.04	0.28
color			1	−0.25	−0.22	0.03	0.28	0.17	0.38
petal				1	0.02	−0.15	−0.10	0.21	−0.03
flower diameter					1	0.35	0.26	−0.04	0.19
top leaflet length						1	0.69**	0.07	0.30
top leaflet wide							1	0.53**	0.28
leaflet shape								1	−0.03
aculeus									1

Note: *: The correlation was significant. **: The correlation was extremely significant

ISSN: 1471-2229