efeito de meios de cultura e fatores físicos no crescimento e esporulação de alternaria dauci e a. solani effect of culture media and physical factors on growth and sporulation of alternaria dauci and a. solani

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ID: 218489
2009
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Abstract
Alternaria dauci e Alternaria solani são espécies / 24 h). O método desenvolvido neste trabalho foi comparado ao reconhecidamente difíceis de esporular em meios de cultura. Este tradicionalmente utilizado (BDA, 25 ºC, 12 h luz branca / 12 h trabalho teve o objetivo de verificar a influência de alguns meios escuro e raspagem da colônia). O meio V8-ágar, temperatura de 25 de cultura e fatores fisicos sobre o crescimento micelial e a ºC, luz NUV e raspagem das colônias exerceram influência mais esporulação dessas espécies. Testaram-se os meios de cultura BDA, marcante no crescimento e esporulação. O fotoperíodo 12 h luz NUV Aveia e V8; temperaturas (15ºC, 20ºC, 25ºC, 30ºC e 35ºC) / 12 h escuro foi o que mais estimulou a esporulação. Observou-se que, comprimentos de onda da luz durante a incubação (amarelo, azul, de modo geral, períodos de escuro maiores que os períodos de luz, branco, NUV, verde e vermelho); tipos de injúria aplicados à aplicados após injúria da colônia, favoreceram a esporulação. O colônia (raspagem, UV, irradiação de microondas, e temperatura método desenvolvido mostrou-se nitidamente superior ao de 100 ºC) e fotoperíodos (luz / escuro, respectivamente, de 24 h tradicionalmente utilizado, para crescimento e esporulação de ambas / 0 h, 22 h / 2 h, 17 h / 7 h, 12 h / 12 h, 7 h / 17 h, 2 h / 22 e 0 h as espécies.
Alternaria dauci and A. solani are fungal species known for h and 0 h / 24 h) were tested. The method developed in this study was difficult sporulation in culture media. This study had the objective of compared to the traditional procedure (BDA, 25 ºC, 12 h white / 12 verifying the influence of some physical factors on mycelia growth h dark light and scratching of the colony). V8-agar medium, and sporulation of these two species. Culture media (BDA, oat and temperature of 25 ºC, NUV light and scratching of the colonies had a V8), temperature (15ºC, 20ºC, 25ºC, 30ºC and 35ºC), light wavelengths marked effect on growth and sporulation. The 12 h light / 12 h dark during incubation (yellow, blue, white, NUV, green, and red), injury photoperiod stimulated sporulation most. In general, longer dark types applied to the colony (scratching, UV, microwave irradiation, than light periods after the injury of the colony favored sporulation. and temperature of 100 ºC) and photoperiods (light / dark, respectively, The developed procedure is clearly superior to the traditional method of 24 h / 0 h, 22 h / 2 h, 17 h / 7 h, 12 h / 12 h, 7 h / 17 h, 2 h / 22 for growth and sporulation of both species.
Reference Key
pulz2009summaefeito Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Pablo Pulz;Nelson S. Massola Jr.
Journal research on chemical intermediates
Year 2009
DOI
10.1590/S0100-54052009000200007
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-54052009000200007
Keywords
light phytopathogenic fungi

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