Mycorhization par Tuber melanosporum Vitt de vitroplants de Quercus robur L et Quercus pubescens Willd

  • Boutekrabt A
  • Chevalier G
  • Pargney J
  • et al.
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Abstract

— Les performances au champ des plants mycorhizés par la truffe sont limitées par l'hétérogénéité du maté-riel végétal jusqu'ici issu de semis. L'utilisation d'individus sélectionnés multipliés in vitro et de matériel fongique cloné permet de pallier ces inconvénients. Il est possible maintenant de réaliser l'association mycorhizienne entre divers chênes (Quercus robur L, Q pubescens Willd) et la truffe (Tuber melanosporum Vitt), aussi bien en conditions axé-niques que gnotoxéniques ; toutefois la multiplication du chêne pubescent en grandes quantités nécessite certaines améliorations techniques. Quercus robur L / Quercus pubescens Willd / culture in vitro / synthèse axénique / synthèse gnotoxénique / Tuber melanosporum Vitt / vitroplant Summary—Controlled mycorrhization of Quercus robur L and Quercus pubescens Willd with Tuber melanosporum Vitt. The results in the field of plants carrying truffle mycorrhizae are limited by the heterogeneity of plant material which, up to now, has originated from seedlings (fig 1). The use of selected oak clones, multiplied in vitro and that of clonal "fungal" material should make it possible to reduce these disadvantages. From now on, it will be possible to achieve the mycorrhizal association between different oak species (Quercus robur L, Q pubescens Willd) and the truffle (Tuber melanosporum Vitt), both in "axenic" and in "gnotoxenic" conditions (fig 2). Nevertheless, the in vitro multiplication on a large scale of Quercus pubescens requires further technical improvement. Quercus robur L / Quercus pubescens Willd / in vitro culture / axenic synthesis / gnotoxenic synthesis / Tuber melanosporum Vitt / vitroplant INTRODUCTION

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APA

Boutekrabt, A., Chevalier, G., Pargney, J., & Dexheimer, J. (1990). Mycorhization par Tuber melanosporum Vitt de vitroplants de Quercus robur L et Quercus pubescens Willd. Agronomie, 10(2), 127–132. https://doi.org/10.1051/agro:19900205

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