Among the pesticides tested on the Rhizobium-cowpea symbiosis carbendazim-+ carbosulfan showed considerable increase on the growth of Rhizobium. Interestingly seed treatment with carbendazim, carbendazim + carbosulfan and carbosulfan was compatible with Rhizobium and had no inhibition on the nodulation. All the seed dressing pesticides along with Rhizobium inoculation exhibited better nodulation than the uninoculated control.
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