| Registro completo |
| Provedor de dados: |
Trop. Plant Pathol.
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| País: |
Brazil
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| Título: |
Detection and transmission of Drechslera avenae from oat seed
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| Autores: |
Carmona,Marcelo A.
Zweegman,Juan
Reis,Erlei M.
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| Data: |
2004-06-01
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| Ano: |
2004
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| Palavras-chave: |
Pyrenophora avenae
Avena sativa
Seed-borne pathogen
Transmission
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| Resumo: |
Detection, symptoms and symptomless transmission of Drechslera avenae (teleomorph Pyrenophora avenae) from seed were investigated. The present study reported that the D. avenae is frequently found in oat (Avena sativa) seed in Argentina. The prevalence of the seed lot infected was 54%. The incidence of seeds infected by D. avenae in the various seed lots from different regions ranged from 0 to 52% (overall mean of 7%). Besides conidia on conidiophore and immature pseudothecia, D. avenae produced small, spherical to pear-shape picnidia containing tiny conidia, on the seed surface. The pathogen was efficiently transmitted at a rate of 55% from seed to coleoptile tips in symptomless seedlings and at 12.5% to plumules. The importance of the infected seed and its epidemiological role are discussed.
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| Tipo: |
Info:eu-repo/semantics/other
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| Idioma: |
Inglês
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| Identificador: |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-41582004000300015
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| Editor: |
Sociedade Brasileira de Fitopatologia
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| Relação: |
10.1590/S0100-41582004000300015
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| Formato: |
text/html
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| Fonte: |
Fitopatologia Brasileira v.29 n.3 2004
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| Direitos: |
info:eu-repo/semantics/openAccess
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