Antagonist activities of native rhizosphere micro-flora against groundnut stem rot pathogen, Sclerotium rolfsii Sacc.

Egyptian Journal of Biological Pest Control

Table 3 Antagonistic activity of rhizosphere bacterial isolates on radial growth of Sclerotium rolfsii by dual culture technique

Isolate	Mycelial growth (mm)	Per cent mycelial inhibition	Zone of inhibition (mm)
S1KB2	66.00^de	26.39^qr	7.67^p
S1NA3	63.67^fg	29.26^op	4.67^r
S1NA4	68.33^c	24.07^r	1.33^u
S1NA5	44.67ⁿ	50.37^fg	20.67^f
S1NA7	35.00^s	61.11^ab	27.67^b
S2KB4	46.33^mn	48.33^gh	10.67^l
S2NA1	61.67^g	31.48^no	8.33^op
S2NA2	51.33^j	42.96^jk	9.33^mn
S2NA3	67.67^cd	24.81^r	3.67^s
S2NA6	37.33^r	58.52^bc	19.00^gh
S3KB2	78.00^b	13.01^s	0^v
S3KB6	33.33^s	62.82^a	37.33^a
S4A1	64.00^ef	28.89^opq	1.33^u
S4KB2	55.33ⁱ	38.28^l	19.33^g
S4KB4	44.67ⁿ	50.18^g	8.33^op
S4KB5	40.00^pq	55.39^de	19.67^g
S6A1	79.67^b	11.48^s	0^v
S6NA1	52.00^j	42.22^k	15.33^j
S6NA5	42.33^o	52.96^ef	10.67^l
S7NA3	57.67^h	35.93^lm	6.33^q
S8A1	48.33^lm	46.30^hi	22.33^e
S8A2	59.33^h	34.07^mn	8.67^no
S8KB2	40.67^op	54.64^e	25.00^cd
S8NA1	41.67^op	53.70^e	18.33^hi
S9KB1	49.00^kl	45.35^ij	11.67^k
S9KB2	41.67^op	53.53^e	17.67ⁱ
S9KB4	34.33^s	61.70^a	24.67^d
S9NA1	52.00^j	42.22^k	2.67^t
S9NA2	50.67^jk	43.70^ijk	9.67^m
S9NA3	66.67^cd	25.93^r	7.67^p
S10KB2	38.33^qr	57.25^cd	25.67^c
S11A1	80.00^b	11.11^s	0^v
S11A2	66.00^de	26.67^pqr	2.33^t
Control	90.00^a	0^t	0^v

Values presented are mean of three replications; Values in columns with the same letters after them indicate insignificant differences at the 5% significance level