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Schultz, Vanessa Sperandio; Santos, Álvaro Figueredo dos; Medeiros, Antonio Carlos de Souza. |
The aim of this research was to identify fungi associated with “pau-cigarra” seeds (Senna multijuga). Evaluation was carried out in nine lots composed of seeds collected from mother trees at Atlantic Rain Forest located in Antonina, Morretes and Guaraqueçaba municipalities, Paraná state, Brazil. Sanitary analysis was carried out by adopting blotter test and agar plate test. Morphological characteristics were used for fungi identification. It was observed higher fungi frequency contaminating seeds over filter paper (blotter test) compared with agar plate test. Helminthosporium sp., Alternaria sp., Ulocladium sp., Pestalotia sp., Penicillium sp., Trichoderma sp., Chaetomium sp. and Monilia sp. were the most important genus found associated with S. multijuga... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Seed pathology; Fungi; Tree seeds Patologia de sementes; Fungos; Sementes Florestais. |
Ano: 2003 |
URL: http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/1613 |
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Rego, Suelen Santos; Santos, Álvaro Figueredo dos; Medeiros, Antonio Carlos de Souza. |
Os objetivos neste trabalho foram identificar os fungos associados aos frutos e sementes de capororoca (Myrsine ferruginea Spreng) obtidos de diferentes lotes e verificar a incidência de fungos entre frutos verdes e maduros e nas sementes obtidas destes frutos. Para a detecção de fungos utilizou-se o método de papel-filtro (PF), sendo 400 frutos e 400 sementes para cada amostra, incubadas sob 12 horas luz negra/12 horas escuro, na temperatura de 20 ºC ± 1 ºC durante sete dias, avaliando-se a incidência (%) de fungos. Pôde-se verificar a possível transmissão dos fungos Alternaria sp., Cladosporium sp., Colletotrichum sp., Fusarium sp., Macrophomina sp. e Pestalotia sp. dos frutos para as sementes. Nos três lotes avaliados, Pestalotia sp. apresentou a maior... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sementes florestais; Patologia de sementes; Doenças. Forest seeds seed pathology disease. Sugira uma tradução melhor. |
Ano: 2010 |
URL: http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/10 |
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Benetti, Sílvia Cristina; Santos, Álvaro Figueredo dos; Medeiros, Antonio Carlos de Souza; Jaccoud Filho, David de Souza. |
This research had as main objectives the evaluation of cedar’s seeds seed-borne fungi and the Fusariumsp. and Pestalotia sp. pathogenicities. For the fungi detection Potato Dextrose and Agar medium and Blottertest methods were used. For the pathogenicity tests, isolates of Fusarium sp. and Pestalotia sp. were used. The following fungi were observed: Pestalotia sp., Fusarium sp., Phomopsis sp., Colletotrichum sp., Macrophomina sp. and Cladosporium sp. The fungi observed in the highest frequencies were: Fusarium sp., Phomopsis sp. and Pestalotia sp. A reduction of the germination level was observed in seedlings from cedar’s seed inoculated with Fusarium sp. doi: 10.4336/2009.pfb.58.81 |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Forest seed Cedrella fissilis Sementes florestais; Cedrella fissilis. |
Ano: 2010 |
URL: http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/9 |
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