The objective of this work was to evaluate the effect of potassium (K) levels in the bacterial wilt severity in three bean cultivars (IAC Carioca Pyatã, IPR 88 - Uirapuru and SCS 202 - Guará), under greenhouse conditions. The treatments were 135.0, 112.5, 90.0, 67.5 and 45.0 kg.ha-1 of K2O, using potassium chloride. The evaluations were performed at 5, 10, 15, 20 and 25 days after the inoculation and it was estimated the area under the bacterial wilt progress curve (AUBWPC). Neither the AUBWPC nor the K content in the aerial part of the IAC Carioca Pyatã and IPR 88 - Uirapuru cultivars were affected by the K2O levels. As K2O levels increased, the dry mass weight also increased, but only in the non-inoculated plants of the SCS 202-Guará cultivar.
Phaseolus vulgaris; Curtobacterium flaccumfaciens pv. flaccumfaciens; mineral nutrition; potassium chloride; bacteria
