Integrated Management of Late Blight Potato (Phytophthora infestans, (Mont) de Bary) Disease through Potato Varieties and Fungicides in Lay-Armachiho District, Ethiopia

Table 2

Interaction effects of fungicides and potato varieties on late blight disease severity.

Variety	Fun.	52DAP	59DAP	66DAP	73DAP	80DAP
Local	NO	31.13^a	46.83^a	60.33^a	74.33^a	91.40^a
	MM	23.90^b	40.23^bac	55.13b^a	65.36^bc	78.73^b
	RR	23.30^b	42.40^ba	55.73^ba	69.73^ba	75.23^cb
Jalene	NO	16.90^c	42.40^ba	54.30^bac	62.60^bcd	71.30^cd
	MM	13.16^de	38.50^bdc	48.33^edc	58.66^ecd	68.66^d
	RR	12.66^de	31.40^d	43.06^e	53.43^e	62.33^e
Gudene	NO	22.60^b	40.23^bac	55.63^ba	65.70^bc	78.06^b
	MM	14.33^dc	37.73^bdc	47.53^ed	56.80^ed	68.16^ed
	RR	12.93^de	35.01^dc	45.96^ed	55.50^ed	67.70^ed
Belete	NO	15.00^dc	37.83^bdc	50.73^bdc	59.96^cd	70.43^cd
	MM	9.80^fe	22.23^e	35.96^f	44.00^f	51.16^f
	RR	8.60^f	19.76^e	29.33^g	36.06^g	38.50^g
	Significance	ns
	LSD (0.05); CV (%)	3.44; 12	7.13; 11.6	6.10; 7.4	7.41; 7.5	6.00; 5.2

Ns, , non-significant or significant at (%) or (%) respectively, means within the same column followed by the same letter(s) are not significantly different at (%); LSD = least significant difference, CV (%) = coefficient of variation, Var. = variety, Fug = fungicide, DAP = days after planting NO = control, MM = mancozeb and RR = ridomil fungicide.