Phenotypic Correlation and Path Analysis in Sunflower Genotypes and Pollination Influence on Estimates

Table 1: Coefficients of phenotypic correlation of Pearson among nine agronomic traits examined in sunflower crop in two pollination tests.

Open pollination (r_F)
Parameters^a	HD		HM	1000SW	NAH	MAH	FCG	GER	OC	SY
HD	1.00
HM	0.75*		1.00
1000SW	0.30^ns		0.42*	1.00
NAH	0.33^ns		0.51*	-0.37*	1.00
MAH	0.60*		0.84*	0.25^ns	0.76*	1.00
FCG	0.24^ns		0.48*	0.33^ns	0.31^ns	0.55*	1.00
GER	0.25^ns		0.49*	0.33^ns	0.30^ns	0.55*	0.99*	1.00
OC	-0.30^ns		-0.16*	-0.66*	0.64*	0.14^ns	0.06^ns	0.03^ns	1.00
SY	0.59*		0.83*	0.24^ns	0.77*	0.99*	0.54*	0.55*	0.16^ns	1.00
Restricted pollination (r_F)
Parameters		HD	HM	1000SW	NAH	MAH	FCG	GER	OC	SY
HD		1.00
HM		0.60*	1.00
1000SW		0.46*	0.20^ns	1.00
NAH		0.39*	0.86*	-0.18^ns	1.00
MAH		0.52*	0.95*	0.10^ns	0.95*	1.00
FCG		0.13^ns	0.46*	-0.19^ns	0.56*	0.56*	1.00
GER		0.08^ns	0.46*	-0.22^ns	0.58*	0.57*	0.99*	1.00
OC		0.08^ns	0.49*	-0.41*	0.65*	0.57*	0.69*	0.71*	100
SY		0.51*	0.94*	0.09^ns	0.95*	0.99*	0.56*	0.58*	0.58*	1.00

^aHD – head diameter; HM – head mass; 1000SW – 1000 seed weight; NAH– number of achenes per head; MAH – mass of achenes per head; FCG – first count of germination; GER – germination; OC - oil content; SY – seed yield. *Significant at 5% probability (p > /r/ H₀: 0/ n = 32). ns – non-significant.