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Summa Phytopathologica

Print version ISSN 0100-5405On-line version ISSN 1980-5454


THEODORO, Gustavo de Faria  and  MARINGONI, Antonio Carlos. Effect of nitrogen levels in the severity of bacterial wilt in common bean cultivars. Summa phytopathol. [online]. 2006, vol.32, n.2, pp.131-138. ISSN 0100-5405.

It was evaluated the influence of nitrogen (N) levels in the severity of bean bacterial wilt, caused by Curtobacterium flaccumfaciens pv. flaccumfaciens, in the cultivars IAC Pyatã, IPR 88 Uirapuru, and SCS 202 Guará, under greenhouse conditions. The treatments consisted of the recommended level of N and rates 25% and 50% lower or higher than that, using urea as N source. The higher levels of N increased the progress of the bacterial wilt only in the cultivar IAC Carioca Pyatã. The N content in the plant aerial part did not interfere with the dry mass weight of any cultivars tested.

Keywords : Phaseolus vulgaris; Curtobacterium flaccumfaciens pv. flaccumfaciens; mineral nutrition; urea; bacterium.

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