Effect of Glyphosate and Mancozeb on the Rhizobia Isolated from Nodules of Vicia faba L. and on Their N₂-Fixation, North Showa, Amhara Regional State, Ethiopia

Table 4

Cell viability of isolates after exposure to agrochemicals.

Isolates	Control	100 μg a.e. L^−1glyphosate		200 μg a.e. L^−1glyphosate		Combination 100 : 100		Combination 200 : 200
	Log	Log	%cfu	Log	%cfu	Log	%cfu	Log	%cfu
AAUW-1	2.56	0.50	20	0.39	15	1.23	48	0.67	26
AAUW-2	2.80	0.41	17	0.33	12	1.60	57	1.23	44
AAUW-3	2.42	0.45	19	0.33	14	1.43	59	0.72	30
AAUW-4	2.56	0	0	0	0	1.29	50	0.26	10
AAUW-5	3.01	0.41	18	0.37	12	1.33	44	0.48	16
AAUW-6	3.22	0.45	19	0.41	13	0.97	30	0.45	14
AAUW-7	3.05	0.09	0	0	0	0.50	16	0.42	14
AAUW-8	1.58	0.08	0	0	0	0.22	10	0.16	10
AAUW-9	1.73	0.19	11	0	0	0.28	17	0.21	12
AAUW-10	2.58	0.41	16	0.35	14	0.34	13	0.27	11

cfu = colony forming units; Log = logarithmic growth of isolates.