Espécies alternas associadas a colheita de maçã e pera na região do alto vale do rio negro, argentina

Autores

  • Martha Elizabeth Benavides Rozo Universidad de Boyacá
  • Virginia Fernandez Pinto Universidad de Buenos Aires
  • Graciela Pose Universidad de Quilmes

DOI:

https://doi.org/10.38017/1657463X.592

Palavras-chave:

alternaria, maçã, Pêra, micotoxinas

Resumo

O gênero fúngico alternaria contém espécies saprófitos e patogênicas. Como patógenos das plantas, eles causam sérios problemas na agricultura, reduzindo o rendimento das culturas e deteriorando os frutos no armazenamento. As espécies desse gênero também podem ser micotoxicogênicas, capazes de colonizar as culturas e acumular metabólitos secundários que podem afetar a saúde humana e / ou animal nos produtos infectados. No presente trabalho, frutos de macieira (Malus domestica) e pera (Pyrus comunnis) foram amostrados em três locais do Vale do Alto Rio Negro (Cipolletti, General Roca e Villa Regina), a fim de determinar a presença de espécies do gênero alternaria associados a essas culturas na região. Foram obtidos 267 isolados pertencentes ao gênero alternaria. Eles foram identificados por suas características morfológicas (Simmons, 2007) como iguais ou semelhantes a Alternaria tenuissima, em maior proporção (85%). Além disso, A. mali e A. gaisen, espécies específicas de hospedeiro de maçã e Pêra, respectivamente, foram identificadas. A importância deste estudo é que permitir considerar o risco para a saúde das culturas locais devido a esse patógeno e avaliar a possibilidade da presença de micotoxinas nos frutos infectados, que podem atingir a cadeia produtiva, seriam um risco para a saúde do consumidor.

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Biografia do Autor

Martha Elizabeth Benavides Rozo, Universidad de Boyacá

Magister en Biotecnología

Virginia Fernandez Pinto, Universidad de Buenos Aires

Doctora en Química

Graciela Pose, Universidad de Quilmes

Doctora en Ciencias Biológicas

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Publicado

2019-08-05

Como Citar

Benavides Rozo, M. E., Fernandez Pinto, V., & Pose, G. (2019). Espécies alternas associadas a colheita de maçã e pera na região do alto vale do rio negro, argentina. Cultura Científica, (17), 18–31. https://doi.org/10.38017/1657463X.592

Edição

Seção

Artículo de Investigación Científica y Tecnológica