Evaluation of Different Spray Frequency Levels of Fungicides against Ascochyta Blight (Ascochyta fabae S) Diseases of Faba Bean (Vicia faba L) in Northwestern Ethiopia

Table 3

Effect of fungicides and spray frequencies on the disease parameters of Ascochyta blight in faba bean varieties.

		Variety
		Hachalu (EH00102-4-1)				Local variety (baqyla)
		Disease parameters				Disease parameters
Fungicides	SF	DPR	AUDPC	PSI	PDI	DPR	AUDPC	PSI	PDI
Mancozeb	SF1	0.65^f	143.5^d	20.9^c	65.1^de	0.66^f	152.0^d	26.3^c	68.6^de
	SF2	0.57^g	134.3^f	19.4^d	61.8^f	0.58^g	142.8^f	24.8^d	65.3^f
	SF3	0.71^de	153.9^b	22.7^b	66.4^cd	0.72^de	162.4^b	28.1^b	69.9^cd
Mancocide	SF1	0.77^c	147.0^c	19.9^dc	67.1^cb	0.78^c	155.5^c	25.3^dc	70.6^cb
	SF2	0.68^fe	137.8^e	19.3^de	63.9^e	0.69^fe	146.3^e	24.7^de	67.3^e
	SF3	0.82^b	158.7^a	23.4^b	69.4^b	0.83^b	167.2^a	28.8^b	71.9^b
Mancolaxyl	SF1	0.65^f	138.5^e	14.6^f	64.1^e	0.66^f	147.0^e	20.0^f	67.6^e
	SF2	0.50^h	129.28^g	13.95^f	60.8^f	0.51^h	137.8^g	19.4^f	64.3^f
	SF3	0.76^dc	149.6^c	18.1^e	65.4^cde	0.77^dc	158.1^c	23.5^e	68.9^cde
	Control	0.92^a	157.69^a	24.70^a	70.52^a	0.92^a	166.19^a	30.1^a	74.1^a
	Mean	0.7	145.02	19.7	65.32	0.71	153.52	25.11	68.83
	CV%	3.96	1.14	3.81	1.61	3.9	1.07	2.99	1.53
	LSD ()	0.058	2.83	1.29	1.81	0.05	2.83	1.29	1.81

Means within the same column followed by the same letter are not significantly different at 5% and 1% probability levels. and , SF = spray frequencies, PDI = percent disease incidence, DPR = disease progress rate, AUDPC = area under disease progress curve, PSI = percent severity index, CV = coefficient of variance, and LSD = least significance difference.