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Détermination spécifique des armillaires par la méthode des groupes de compatibilité sexuelle. Spécialisation écologique des espèces françaises Inra
Guillaumin, J.J.; Berthelay, S..
68 isolats d’armillaire (dont 50 diplontes et 18 séries d’haplontes d’origine monobasidiosporée) ont été déterminés par confrontation avec des testeurs haploïdes représentant les 5 espèces d’armillaires actuellement connues en Europe. Les résultats ont montré que les isolats appartenaient aux espèces D = Armillariella mellea s. str. (29 isolats), C = A. ostoyae (16) E = A. bulbosa (15) et B (5). Il existe une spécialisation entre ces espèces, C étant généralement rencontrée sur résineux où elle peut être saprophyte ou parasite, E étant l’espèce la plus fréquente dans les futaies de chêne où elle se comporte comme un saprophyte pouvant évoluer en parasite de faiblesse, et D étant la seule espèce présente en vergers et en vignoble, où elle manifeste un...
Tipo: Journal Article Palavras-chave: ARMILLIAIRE; HYMENOMYCETES; SEXUALITE; SYSTEMATIQUE; SPECIATION; RESINEUX; POUVOIR PATHOGENE; MORPHOLOGIE; COMPATIBILITE SEXUELLE; EFFET DE L'ENVIRONNEMENT; SAPROPHYTE; PARASITE ARMILLARIELLA MELLEA; ARMILLARIELLA OSTOYAE; ARMILLARIELLA BULBOSA; ARMILLARIA; AGARICALES.
Ano: 1981 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2008fd3a440e&uri=/notices/prodinra1/2009/01/
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Soil niche effect on species diversity and catabolic activities in an ectomycorrhizal fungal community Inra
Buée, M.; Courty, P.E.; Mignot, D.; Garbaye, J..
The species of an ectomycorrhizal (ECM) community were investigated in a temperate oak forest by morphotyping and ITS rDNA sequencing. Thirty-six ECM morphotypes were found at the site. The niche effect (as organic soil, mineral soil or dead woody debris artificially introduced in the soil) on the ECM community structure and on the potential catabolic activities of the most abundant morphotypes was studied. The morphotypes in each niche were subjected to enzymatic tests developed for hydrolytic and oxidative enzymes involved in the decomposition of organic compounds. The ECM community structure varied widely depending on the soil horizon or habitat patch. The species richness was higher in the A1 horizon than in the other niches. Different ECM species had...
Tipo: Journal Article Palavras-chave: ECTOMYCORHIZE; FORET FEUILLUE; NICHE ECOLOGIQUE; FACTEUR EDAPHIQUE; STRUCTURE POPULATION; RICHESSE SPECIFIQUE; CATABOLISME; BIODEGRADATION; MATIERE ORGANIQUE; MORPHOTYPE; SAPROPHYTE; CHAMPIGNON ECTOMYCORRHIZA; FUNCTIONAL DIVERSITY; DEAD WOODY DEBRIS; ORGANIC MATTER; SAPROTROPHS; CHITINASE.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2007d5ee665d&uri=/notices/prodinra1/2008/03/
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The pathogenicity for honey-bee larvae of microorganisms associated with european foulbrood National Institute of Agronomic Research
Bailey, L..
Tests made on larvae in normal bee colonies with pure cultures of Streptococcus pluton (White), Streptococcus faecalis Andrews and Horder, and Bacillus alvei Cheshire and Cheyne, three bacterial species commonly associated with European foulbrood (EFB), showed that S. pluton was the natural prirnary etiological agent. These results, together with other recent work, indicate that S. pluton is the cause of EFB throughout the world. Of the other associated bacterial species, Bacterium eurydice White, which is the most commnon, and S. faecalis probably have supplementary pathogenic effects. Bacillus alvei and other less common bacilli are saprophytes of the dead larvae.
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; LARVAE; EUROPEAN FOULBROOD; INFECTIOUS DISEASE; MICROORGANISM; BACTERIA; SAPROPHYTE; STREPTOCOCCUS PLUTON; STREPTOCOCCUS FAECALIS; BACILLUS ALVEI; BACTERIUM EURIDYCE; PATHOGENICITY; ABEILLE DOMESTIQUE; INSECTE SOCIAL; LARVE; MALADIE NOIRE; PARALYSIE CHRONIQUE; MALADIE INFECTIEUSE; MICROORGANISME; BACTERIE; SAPROPHYTE; STREPTOCOCCUS PLUTON; STREPTOCOCCUS FAECALIS; BACILLUS ALVEI; BACTERIUM EURIDYCE; PATHOGENICITE; LOQUE EUROPEENNE.
Ano: 1963 URL: http://hdl.handle.net/2174/370
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