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Contribution des endomycorhizes à la production de plants micropropagés d'ananas (Ananas comosus (L.) Merr)

Abstract : Micropropagation is a biotechnology that makes it possible to produce disease-free plants but eliminates endomycorrhizal symbiosis. The present work involved the development of controlled endomycorrhization in micropropagated pineapple. The results showed a positive effect of endomycorrhizae on mineral nutrition (biofertilising effect), on growth (bioregulating effect) and on the photosynthetic pigment content of pineapples. These fungi also increase the tolerance of plants to high salinity soils and to soil pathogens, thus increasing the bioprotection effect of endomycorrhizae. The application of pesticides is compatible under certain conditions with the development and activity of symbiosis. Endomycorrhizae can therefore be included in an integrated pest management scheme. The use of commercial inoculi confirms that this biotechnology can open up interesting prospects for the production of micropragged plants.
Keywords : Ananas comosus
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https://hal.inrae.fr/tel-02847373
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  • HAL Id : tel-02847373, version 1
  • PRODINRA : 110319

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Jean-Philippe Guillemin. Contribution des endomycorhizes à la production de plants micropropagés d'ananas (Ananas comosus (L.) Merr). Sciences du Vivant [q-bio]. Université de Bourgogne, 1994. Français. ⟨tel-02847373⟩

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