TAILIEUCHUNG - Báo cáo lâm nghiệp: "Ophiostomatoid fungi associated with the spruce bark beetle, Ips typographus, in three areas in France"

Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí lâm nghiệp đề tài: Ophiostomatoid fungi associated with the spruce bark beetle, Ips typographus, in three areas in France. | Ann. For. Sci. 61 2004 215-219 INRA EDP Sciences 2004 DOI forest 2004013 215 Original article Ophiostomatoid fungi associated with the spruce bark beetle Ips typographus in three areas in France Heli ViiRia b Francois LiEUTiERc d a Faculty of Forestry University of Joensuu PO Box 111 80101 Joensuu Finland b Present address Finnish Forest Research institute Suonenjoki Research Station Juntintie 154 77600 Suonenjoki Finland c institut National de la Recherche Agronomique Station de Zoologie Forestiere Ardon 45160 Olivet France d Laboratoire de biologie des ligneux et des grandes cultures Université d Orléans BP 6759 45067 Orleans Cedex 02 France Received 14 November 2002 accepted 28 March 2003 Abstract - The species composition of ophiostomatoid fungi associated with Ips typographus was studied in the Vosges Alps and Massif Central regions of France. in each region damage caused by bark beetles has increased during recent years. For this study beetles were collected individually by hand from freshly attacked trees and crushed in healthy Picea abies logs. Fungi were isolated from log phloem and sapwood and identified. The most frequently found species were Ophiostoma bicolor O. penicillatum Ceratocystiopsis minuta and Ceratocystispolonica. Results are discussed in terms of differences between locations and in relation to previous investigations in which populations of spruce bark beetle have been sparse. The potential role of associated fungi in the population dynamics of the spruce bark beetle is discussed. associated fungi Ceratocystis polonica Ips typographus Ophiostoma Picea abies Résumé - Champignons Ophiostomatoides associés au scolyte de l épicéa Ips typographus dans trois regions francaises. La composition specifique des champignons Ophiostomatoides associés à Ips typographus a été étudiée dans trois regions franfaises Vosges Alpes et Massif Central dans lesquelles les dommages dus aux Scolytes s étaient récemment accrus. Les insectes ont été récoltés

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