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| Reference : Effets de l'inoculation mycorhizienne du substrat sur la croissance et la résistance au ... |
| Scientific journals : Article | |||
| Life sciences : Agriculture & agronomy | |||
| http://hdl.handle.net/2268/85151 | |||
| Effets de l'inoculation mycorhizienne du substrat sur la croissance et la résistance au stress hydrique de cinq espèces fixatrices de dunes : Acacia raddiana Savi ; Acacia nilotica (L.) Willd. Ex Del. var. adansonii ; Acacia senegal (L.) Willd ; Prosopis chilensis Stunz. et Bauhinia rufescens Lam.. | |
| English | |
| [en] Effects of mycorrhizal inoculation of the substrate on growth and water stress tolerance of five sand dune fixing species: Acacia raddiana Savi ; Acacia nilotica (L.) Willd. Ex Del. var. adansonii ; Acacia senegal (L.) Willd ; Prosopis chilensis Stunz. and Bauhinia rufescens Lam.. | |
Laminou Manzo, Ousmane  [ > > ] | |
| Ibrahim, D. [ > > ] | |
| Campanella, Bruno [Université de Liège - ULg > Sciences agronomiques > Laboratoire de Toxicologie environnementale >] | |
| Paul, Roger [Université de Liège - ULg > Sciences agronomiques > Biologie végétale >] | |
| 2009 | |
| Geo-Eco-Trop | |
| 33 | |
| 115-124 | |
| International | |
| 0379-0452 | |
| [en] mycorrhizal complex ; A. nilotica ; Glomus intraradices | |
| [en] Effects of the addition of an indigenous mycorrhizal complex, coming from soils of Gouré and
of Glomus intraradices in a non sterile culture substrate were assessed on five woody species, among which 3 acacias (A. nilotica, A. raddiana, A. senegal), Bauhinia rufescens and Prosopis chilensis, in a tree nursery and on a sand dune of Gouré. In the nursery, species underwent a water stress by interrupting the watering during six days. Foliar hydration has been determined in order to evaluate the respective effects of the mycorrhizal inoculation for water loss limitation. Mycorrhizal root colonization has been determined as well as plant height and total biomass. In a field experiment, inoculated and non inoculated species have been planted on a mechanically prefixed sand dune portion in order to evaluate the effects of mycorrhizal inoculations on growth in the field. Results in nursery showed that (i) the non sterile soil would contain some endogenous AMF (arbuscular mycorrhizal fungi) as infectious as those in soils with mycorrhizal additions; (ii) addition of Glomus intraradices would be efficient to stimulate total biomass and (iii) natural mycorhization would be as efficient as both mycorrhizal addition for growth stimulation and water loss limitation by transpiration. Results on site confirm the comparable effectiveness of the natural mycorhization and mycorrhizal additions. Although the addition of G. intraradices appears to be slightly superior by some aspects on some species, the observed effects do not justify preferring it, when compared to indigenous composite inoculum or to natural mycorhization in this zone. | |
| Researchers ; Students | |
| http://hdl.handle.net/2268/85151 |
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