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Titolo:
ASSESSMENT OF PHAEOTHECA-DIMORPHOSPORA FOR BIOLOGICAL-CONTROL OF THE DUTCH ELM DISEASE PATHOGENS, OPHIOSTOMA-ULMI AND OPHIOSTOMA-NOVO-ULMI
Autore:
BERNIER L; YANG D; OUELLETTE GB; DESSUREAULT M;
Indirizzi:
UNIV LAVAL,FAC FORESTERIE & GEOMAT,CTR RECH BIOL FORESTIERE ST FOY PQG1K 7P4 CANADA SERV CANADIEN FORETS,CTR FORESTERIE LAURENTIDES ST FOY PQ G1V 4C7 CANADA
Titolo Testata:
Plant Pathology
fascicolo: 4, volume: 45, anno: 1996,
pagine: 609 - 617
SICI:
0032-0862(1996)45:4<609:AOPFBO>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Soggetto:
CERATOCYSTIS-ULMI; MANSONONE-E; PSEUDOMONAS; AMERICANA; ACCUMULATION; RESISTANCE; ANTAGONIST; BIOCONTROL;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
45
Recensione:
Indirizzi per estratti:
Citazione:
L. Bernier et al., "ASSESSMENT OF PHAEOTHECA-DIMORPHOSPORA FOR BIOLOGICAL-CONTROL OF THE DUTCH ELM DISEASE PATHOGENS, OPHIOSTOMA-ULMI AND OPHIOSTOMA-NOVO-ULMI", Plant Pathology, 45(4), 1996, pp. 609-617

Abstract

The antagonistic fungus Phaeotheca dimorphospora was tested as a biocontrol agent against the Dutch elm disease pathogens, Ophiostoma ulmi and O. novo-ulmi, on Ulmus americana seedlings in the glasshouse. Curative inoculation of seedlings with P. dimorphospora had no significanteffect on disease development. Conditioning inoculation of seedlings with the antagonist protected them against O. ulmi but not against themore aggressive O. novo-ulmi. In seedlings challenged with both the antagonist and either one of the pathogens, P. dimorphospora only spread locally around the inoculation point; however, the pathogens spread systemically throughout the whole plant. O. novo-ulmi survived in the region colonized by P. dimorphospora, whereas O. ulmi did not.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/12/20 alle ore 05:35:55