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EFFECT OF FUNGICIDES ON THE EFFICACY OF RHIZOBIUM MELLOTI AND BRADYRHIZOBIUM SP., IN THE CONTROL OF ROOT INFECTING FUNGI ON CHICKPEA

IMRAN ALl SIDDIQUI, SYED EHTESHAMUL-HAQUE AND ABDUL GHAFFAR

Abstract: Bradyrhizobium sp., with Benlate or Bavistin and Rhizobium meliloti isolates with Captan or Topsin-M showed better control of Fusarium solani infection on chickpea roots than their separate use. Bradyrhizobium sp., (Mungbean isolate) with Bavistin showed complete control of Macropbomina phaseolina infection, whereas Captan was found more effective against Rhizoctonia solani infection when used alone or with rhizobia. Maximum number of nodules per plant was produced by Bradyrhizobium sp., (TAL-620, chickpea isolate) used with Benlate or Bavistin. Some rhizobial isolates also significantly (p<0.05) enhanced plant height when used with Benlate, Bavistin or Topsin-M.

Department of Botany University of Karachi, Karachi-75270, Pakistan.