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As doencas do tomateiro sao responsaveis por grandes prejuizos economicos e a falta de conhecimento tecnico no diagnostico e controle dessas doencas onera os custos e limitam a sua producao. Esse trabalho tem como objetivo realizar um levantamento para identificacao e registro de ocorrencia de doencas do tomateiro na regiao de Guanambi, BA. O levantamento foi realizado nos Distritos de Morrinhos e Guirapa e nos Povoados de Brejos dos Padres e do Tanque. Para tanto, foram realizadas visitas nas areas produtoras de tomate e para avaliacao do historico da area foi aplicado um questionario aos produtores. Amostras de plantas infectadas foram coletadas e levadas para analise no Laboratorio de Fitopatologia do IFBaiano - Campus Guanambi ou enviadas para diagnostico em Clinica Fitopatologica. Foram diagnosticadas nove doencas bioticas: vira cabeca do tomateiro ( Tomato spotted wilt virus ), oidio ( Oidium sp.), murcha de fusario ( Fusarium oxysporum ), requeima ( Phytophthora infestans ), mofo preto ( Alternaria alternata ), mancha de estenfilio ( Stemphylium sp.), mancha de cladosporio ( Fulvia fulva ), pinta-preta ( Alternaria solani ) e murcha bacteriana ( Ralstonia solanacearum ); e tres doencas abioticas (podridao apical, deficiencia de fosforo e murcha por asfixia) nos cultivos de tomate. Dentre as doencas bioticas encontradas, o vira cabeca do tomateiro e o oidio foram as mais frequentes.  Occurrence of diseases in tomato in the region of Guanambi, Bahia Abstract : The tomato diseases are responsible for great economic losses and the lack of technical knowledge in the diagnosis and control of these diseases onerous costs and limit their production. This work aims to conduct a survey to identify and record of the tomato diseases occurrence in the Guanambi region, Bahia state. The survey was conducted in Morrinhos, Guirapa, Brejo dos Padres and Tanque Districts. Therefore, visits were made in tomato producing areas and for the evaluation of the area historic have been applied a questionnaire to farmers. Samples of infected plants were collected and sent for analysis at the Laboratory of Phytopathology, IFBaiano - Campus Guanambi or sent for diagnosis in Clinic Phytopathologic. Were diagnosed nine biotic diseases: Tospovirus ( Tomato spotted wilt virus ), powdery mildew ( Oidium sp. ) , Fusarium wilt ( Fusarium oxysporum ), late blight ( Phytophthora infestans ), black mold ( Alternaria alternata ), Stemphylium leaf blight ( Stemphylium sp.), leaf mold ( Fulvia fulva ), blight ( Alternaria solani ) and bacterial wilt ( Ralstonia solanacearum ), and three abiotic diseases (blossom-end rot, phosphorus deficiency and withered by suffocation) in the tomato crops. Among the biotic diseases found, o Tomato spotted wilt virus and Oidium sp. were the most frequent.

Ocorrência de doenças do tomateiro na região de Guanambi, BA