Table 2.

The antagonistic activities of the isolated strains against different bacteria.

Isolated bacterial strains
Test isolates	IR-1	IR-2	IR-3	IR-8	IR-9	Streptomycin
Citrobacter sp.	+	++	++	+	++	+++
Calcibacter sp.	++	++	++	+	+	+++
Bacillus sp.	+	+	+	+	+	+++
E. coli	++	–	+	+	++	+++
Xanthomonas sp.	+	++	+	+	+	+++

(–) sign shows no activity, (+) sign shows zone of inhibition below 10 mm and (++) shows zones of inhibition above 10 mm.