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

Table 11

The mean squares for tuber yield in Molo and Egerton in the 2019–2020 seasons.

Sources of variance	Number of tubers	Small size < 30 mm	Medium size 30–60 mm	Big size > 60 mm	Weight (t·ha^−1)
Site	1139.89	0.91	8.48	1.80	2279.41
Season	4.15	1.61	4.99	0.18	3.13
Rep	15.12	0.19	1.48	0.19	826.57
Variety	10.97	0.53	0.88	3.41	325.83
Seasonvariety	2.87	1.26	5.17	0.18	663.91
Sitevariety	4.27	0.92	2.50	5.09	270.30
Site season rep variety	17.56	0.67	1.71	1.19	103.73
Treatment	91.70	8.14	2.26	17.67	1149.13
Varietytreatment	0.59	0.65	0.71	0.81	33.13
Error	1.61	0.36	1.01	0.73	25.42
CV	21.04	17.00	24.11	26.64	21.98
R ^2	0.87	0.53	0.33	0.53	076

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