Efficacy of soil solarization on black root rot disease and speculation on its leverage on nematodes and weeds of strawberry in Egypt

Bulletin of the National Research Centre

Table 4 Percentage reduction in pathogenic fungi at three soil depths as affected with different periods of solarized and un-solarized soil under field conditions

Treatments	Solarized periods (weeks)	Soil depths (cm)	Reduction in black root rot fungi %
Treatments	Solarized periods (weeks)	Soil depths (cm)	F. solani	R. solani	Pythium sp.
Solarized soil	3	1–10	72	75	73
		11–20	62	66	64
		21–30	45	51	45
	6	1–10	100	100	100
		11–20	100	100	100
		21–30	82	100	86
	9	1–10	100	100	100
		11–20	100	100	100
		21–30	100	100	100
Un-solarized soil	3	1–10	20	22	23
		11–20	10	11	9.5
		21–30	8	11	8
	6	1–10	40	46	41
		11–20	24	32	21
		21–30	10	22	13
	9	1–10	65	68	66
		11–20	48	52	44
		21–30	32	35	33

Figures with the same letter in a column are not significantly different (P ≤ 0.05) using Tukey test