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Titolo:
BIOLOGICAL-CONTROL OF SEPTORIA LEAF-SPOT OF POPLAR BY PHAEOTHECA-DIMORPHOSPORA
Autore:
YANG D; BERNIER L; DESSUREAULT M;
Indirizzi:
UNIV LAVAL,FAC FORESTERIE,CTR RECH BIOL FORESTIERE ST FOY G1K 7P4 PQ CANADA
Titolo Testata:
Plant disease
fascicolo: 8, volume: 78, anno: 1994,
pagine: 821 - 825
SICI:
0191-2917(1994)78:8<821:BOSLOP>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
RESISTANCE; MUSIVA;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
14
Recensione:
Indirizzi per estratti:
Citazione:
D. Yang et al., "BIOLOGICAL-CONTROL OF SEPTORIA LEAF-SPOT OF POPLAR BY PHAEOTHECA-DIMORPHOSPORA", Plant disease, 78(8), 1994, pp. 821-825

Abstract

Phaeotheca dimorphospora, a Deuteromycotina fungus found to be antagonistic in vitro against Septoria musiva and other tree pathogens, was tested for its-ability to suppress Septoria leaf spot on poplar. In anin vitro leaf disk assay, P. dimorphospora significantly reduced the size of the necrotic area caused by S. musiva on Populus tremuloides, P. grandidentata, and P. X berolinensis. In the greenhouse, both pre- and posttreatment of cuttings of P. X berolinensis with P. dimorphospora resulted in a significant reduction in the severity and in the rateof development of Septoria leaf spot. P. dimorphospora was reisolatedfrom poplar leaves 1 mo after inoculation. Application of P. dimorphospora culture filtrate and its medium extract on the foliage of poplaralso reduced disease severity.

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Documento generato il 28/11/20 alle ore 09:01:47