Efeito de doses de nitrogênio na severidade da murcha-de-curtobacterium em cultivares de feijoeiro comum

Theodoro, Gustavo de Faria; Maringoni, Antônio Carlos

doi:10.1590/s0100-54052006000200006

Cited by 3 publications

(1 citation statement)

References 14 publications

(17 reference statements)

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“…HERBES et al, 2008;LEITE Jr. et al, 2001;MARINGONI, 2006c). Embora exista uma intensa busca por métodos de controle desta doença (RODRIGUES et al, 2006;SOARES et al, 2004;MARINGONI, 2006a;2006b), seu manejo está fundamentado no uso de cultivares resistentes, rotação…”

Section: O Gênero Curtobacteriumunclassified

Variabilidade genética de isolados de Curtobacterium sp. associados a citros

Belmonte¹

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Section: O Gênero Curtobacteriumunclassified

Variabilidade genética de isolados de Curtobacterium sp. associados a citros

Belmonte¹

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Resurgence of bacterial wilt of common bean in North America

Huang

Erickson

Balasubramanian

et al. 2009

Canadian Journal of Plant Pathology

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Bacterial wilt, caused by Curtobacterium flaccumfaciens pv. flaccumfaciens (CFF), was a serious disease of common bean (Phaseolus vulgaris) in the United States in the early 1970s but was not reported for two decades after that time. Following this absence, the disease was reported again in the United States in North Dakota in 1995 and in Colorado, Nebraska, and Wyoming from 2004. In addition to the three coloured variants (yellow, orange and purple) of CFF reported in the United States in 1970s, a new pink variant of the pathogen was discovered in Nebraska in 2008. In Canada, the disease was reported in central Canada (Ontario) in the 1950s. The yellow and orange variants were found in western Canada in 2002, and the purple variant was found in 2006. These recent reports indicate a resurgence of bacterial wilt of bean in North America. The discovery of new variants suggests that the pathogen may be evolving. This minireview examines the resurgence of bacterial wilt of bean in North America, as well as its world distribution, symptoms, host range, and recent research progress in identification and detection, epidemiology, impacts, and methods of control of this disease. Résumé: Le flétrissement bactérien, causé par Curtobacterium flaccumfaciens pv. flaccumfaciens (CFF), était une maladie grave du haricot commun (Phaseolus vulgaris) aux États-Unis au début des années 1970, mais s'est faite plutôt discrète durant les deux décennies suivantes. Après cette absence, la maladie a été de nouveau signalée au Dakota du Nord en 1995 ainsi qu'au Colorado, au Nebraska et au Wyoming de 2004 à 2007. En plus des trois variantes chromatiques (jaune, orangé et pourpre) de la bactérie CFF rapportées aux États-Unis dans les années 70, une nouvelle variante rose de l'agent pathogène a été découverte au Nebraska en 2008. Au Canada, la maladie a été signalée en Ontario dans les années 50. Les variantes jaunes et orangées ont été trouvées dans l'Ouest canadien en 2002 et la pourpre y a été détectée en 2006. Ces récentes mentions indiquent qu'il y a résurgence du flétrissement bactérien chez le haricot en Amérique du Nord. La découverte de nouvelles variantes suggère que l'agent pathogène peut être en train d'évoluer. Ce minibulletin examine la résurgence du flétrissement bactérien chez le haricot en Amérique du Nord ainsi que sa répartition mondiale, ses symptômes, son spectre d'hôte et les dernières avancées des recherches relatives à l'identification et à la détection, à l'épidémiologie, aux répercussions de même qu'aux méthodes de lutte. Mots-clés : haricot, Phaseolus vulgaris, flétrissement bactérien, Curtobacterium flaccumfaciens pv. flaccumfaciens, biologie, épidémiologie, lutte, résistance aux maladies. Huang et al.: bacterial wilt on bean / Curtobacterium / mini-review 300

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Fontes de resistência à murcha-de-curtobacterium em cultivares locais de feijoeiro, coletadas em Santa Catarina

2007

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RESUMOAvaliou-se a reação de 73 cultivares locais de feijoeiro, coletadas em Santa Catarina, à murcha-de-curtobacterium, causada por Curtobacterium flaccumfaciens pv. flaccumfaciens. Os experimentos foram instalados em condições de casa-de-vegetação e as cultivares IAC Carioca Pyatã e IPR 88 -Uirapuru foram os padrões resistente e suscetível, respectivamente. Aos 10 dias após a emergência, houve a inoculação das plantas com o isolado FJ 36 e as avaliações dos sintomas ocorreram aos 10, 14, 21 e 28 dias após a inoculação. Foi possível identificar as cv. locais Mouro Piratuba (grupo de coloração variada) e Vagem Amarela (grupo preto) como fontes de resistência à murcha-de-curtobacterium. Termos para indexação:Phaseolus vulgaris, resistência genética, controle, Curtobacterium flaccumfaciens pv. flaccumfaciens. ABSTRACTIt was evaluated the reaction of 73 common bean land races, collected in Santa Catarina State, to the bacterial wilt, caused by Curtobacterium flaccumfaciens pv. flaccumfaciens. The experiments were set up under greenhouse conditions and the cultivars IAC Carioca Pyatã and IPR 88 Uirapuru were the resistant and susceptible standards, respectively. The inoculation with the strain FJ 36 was done in the 10 th day after the sowing and the disease evaluations were at the 10, 14, 21 and 28 th day after the inoculation. The landraces Mouro Piratuba (color bean group) and Vagem Amarela (black bean group) were identified as resistance sources of bacterial wilt of bean.

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Efeito de doses de nitrogênio na severidade da murcha-de-curtobacterium em cultivares de feijoeiro comum

Cited by 3 publications

References 14 publications

Variabilidade genética de isolados de Curtobacterium sp. associados a citros

Variabilidade genética de isolados de Curtobacterium sp. associados a citros

Resurgence of bacterial wilt of common bean in North America

Fontes de resistência à murcha-de-curtobacterium em cultivares locais de feijoeiro, coletadas em Santa Catarina

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