TAILIEUCHUNG - Báo cáo khoa học: "Ectomycorrhization of Acacia holosericea A. Cunn. ex G. Don by Pisolithus spp. in Senegal: Effect on plant growth and on the root-knot nematode Meloidogyne javanica Robin Duponnois"

Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp quốc tế đề tài: Ectomycorrhization of Acacia holosericea A. Cunn. ex G. Don by Pisolithus spp. in Senegal: Effect on plant growth and on the root-knot nematode Meloidogyne javanica Robin Duponnoisa. | 345 Ann. For. Sci. 57 2000 345-350 INRA EDP Sciences Original article Ectomycorrhization of Acacia holosericea A. Cunn. ex G. Don by Pisolithus spp. in Senegal Effect on plant growth and on the root-knot nematode Meloidogyne javanica Robin Duponnoisa Hassna Founounea d Amadou Bâb Christian Plenchettec Samir El Jaafarid Marc Neyrae and Marc Ducoussof a IRD Laboratoire de Biopédologie BP. 1386 Dakar Senegal b ISRA URA-Forêts BP. 2312 Dakar Sénégal c INRA 17 rue Sully 21034 Dijon France d Université Moulay Ismail Laboratoire de Biotechnologie et d amelioration des plantes BP. 4010 Meknes Maroc e IRD Laboratoire de Microbiologie BP. 1386 Dakar Sénégal f LSTM BP. 5035 Montpellier France Received 12 April 1999 accepted 6 December 1999 Summary - The ectomycorrhization of Acacia holosericea with fungi isolated in Senegal belonging to the Pisolithus genus and their effect on Meloidogyne javanica have been studied. In 100 tree plantations of Eucalyptus camaldulensis Casuarina equisetifolia Acacia mangium and A. holosericea 33 fruiting bodies of the ectomycorrhizal fungus Pisolithus were collected and cultured under axenic conditions. Only four fungal isolates have induced the formation of typical ectomycorrhizae with A. holosericea under axenic conditions. One of these COI 024 increased plant development under glasshouse conditions and decreased the multiplication of the root-knot nematode Meloidogyne javanica. The mechanisms involved in these interactions and the potential use of the ectomycorrhizal symbiosis in agroforestry programs are being discussed. Pisolithus Meloidogyne ectomycorrhizae leguminous trees Senegal Résumé - Ectomycorhization de Acacia holosericea A. Cunn. ex G. Don par Pisolithus spp. au Senegal effet sur le dévelop-pement de la plante et sur la multiplication du nématode à galles Meloidogynejavanica. L effet de symbiotes fongiques ectomy-corhiziens appartenant au genre Pisolithus et isolés au Sénégal a été étudié sur la croissance de plants d Acacia .

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