Effect of Presprouting Plant Growth Regulators and Natural Materials on Dormancy, Growth, and Yield of Potatoes (Solanum tuberosum L.)

Table 2

The mean squares for a number of sprouts and sprout quality under a greenhouse in the 2019–2020 seasons.

Sources of variance	df	Number of sprouts				Sprout quality
		Week 1	Week 2	Week 3	Week 4	Thickness	Length
Season	1	0.22	0.37	0.35	0.56	1.83	0.02
Treatment	6	0.83	1.08	1.18	1.15	22.61	49.37
Seasontreatment	6	0.04	0.02	0.04	0.02	0.56	1.87
Variety	2	1.18	0.47	0.79	0.22	71.65	163.20
Season variety	2	0.10	0.25	0.26	0.16	1.13	3.66
Varietytreatment	12	0.11	0.07	0.06	0.06	1.07	1.87
Error	94	0.09	0.08	1.06	0.08	0.55	0.92
Total	125
CV		20.38	15.68	20.06	18.53	22.58	21.34
R ^2		0.57	0.59	0.67	0.66	0.85	0.89

, , , significant at (), (), (), respectively. CV: coefficient of variation; R²: coefficient of determination.