Effects of Salinity, Temperature, and Polyethylene Glycol on the Seed Germination of Sunflower (Helianthus annuus L.)

Table 1

Results of four-way ANOVA of temperature (T), cultivar (C), water potential (P), and osmoticum (O) effects on final germination percentage and germination rate. All values are significant at .

Source	Final germination		Rate of germination
	df		df
T	2	25.687	2	500.872
C	2	99.358	2	268.618
P	5	4664.443	5	10904.450
O	1	4102.480	1	5474.449
T × C	4	25.470	4	18.141
T × P	10	57.067	10	158.493
C × P	10	12.648	10	34.008
T × O	2	132.034	2	65.006
C × O	2	24.164	2	10.306
P × O	5	604.907	5	675.314
T × C × P	20	16.805	20	20.295
T × C × O	4	6.864	4	25.000
T × P × O	10	40.342	10	24.857
C × P × O	10	15.079	10	21.723
T × C × P × O	20	4.043	20	8.722