Similarly, Kishore et al. (2005) found that the combination of P. aeruginosa GSE 18 and chlorothalonil (500 lgml1) reduced the severity of late leaf spot in groundnut comparable to chlorothalonil (2000 lgml1) alone and in addition, the use of chlorothalonil-tolerant pseudomonads together with a quarter concentration of the recommended field dose of chlorothalonil doubled pod yield with the untreated control.