Soil factors influencing the growth response of Acacia holosericea A. Cunn. ex G. Don to ectomycorrhizal inoculation
Australian acacias like Acacia holosericea are excellent candidates for the revegetation of arid zones in Africa. Their high ability to develop multiple symbioses with soil microorganisms is crucial to their rapid development in adverse climatic and edaphic conditions. These symbioses include nitrogen fixation with rhizobia, vesicular arbuscular mycorrhization and ectomycorrhization. We set up an experiment to test the growth response of A. holosericea to ectomycorrhizal inoculation in 13 different soils from Senegal. After autoclaving the soil, the experiment was conducted in a greenhouse for four weeks. Plants were inoculated with Pisolithus albus strain IR100. The following parameters were measured: plant biomass, N, P, K and Ca foliar composition, spontaneous nodulation rate, and ectomycorrhizal colonization. Data were analyzed in light of the physical, chemical and total microbial characteristics of the soil. The results demonstrated a global promoting effect of P. albus inoculation on plant (shoot and root) growth and on foliar P and K, together with a depressive effect on N, while Ca rates were barely affected. Interestingly, spontaneous nodulation with putative water- or airborne rhizobia was stimulated after P. albus inoculation. However, these nodules seemed poorly effective, as they failed to cause any change in plant growth or in foliar N composition within the nodulated and nonnodulated control plants. These results show that plant growth response to ectomycorrhizal inoculation is greatly dependent on soil characteristics, and that root ectomycorrhizal colonization is influenced by biotic factors such as soil microbiota. From a practical point of view, data from the present study demonstrate that it is possible to optimize the effect of fungi on plant growth by screening soils under nursery conditions.
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Subjects: | P34 - Biologie du sol, P35 - Fertilité du sol, F62 - Physiologie végétale - Croissance et développement, Acacia holosericea, facteur édaphique, inoculation, Mycorhizé, croissance, symbiose, expérimentation, Pisolithus, http://aims.fao.org/aos/agrovoc/c_26329, http://aims.fao.org/aos/agrovoc/c_15617, http://aims.fao.org/aos/agrovoc/c_3879, http://aims.fao.org/aos/agrovoc/c_5023, http://aims.fao.org/aos/agrovoc/c_3394, http://aims.fao.org/aos/agrovoc/c_7563, http://aims.fao.org/aos/agrovoc/c_2758, http://aims.fao.org/aos/agrovoc/c_23961, http://aims.fao.org/aos/agrovoc/c_6970, |
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dig-cirad-fr-5453002024-01-28T16:06:12Z http://agritrop.cirad.fr/545300/ http://agritrop.cirad.fr/545300/ Soil factors influencing the growth response of Acacia holosericea A. Cunn. ex G. Don to ectomycorrhizal inoculation. Duponnois Robin, Kisa Marija, Prin Yves, Ducousso Marc, Plenchette Christian, Lepage Michel, Galiana Antoine. 2008. New Forests, 35 (2) : 105-117.https://doi.org/10.1007/s11056-007-9066-3 <https://doi.org/10.1007/s11056-007-9066-3> Soil factors influencing the growth response of Acacia holosericea A. Cunn. ex G. Don to ectomycorrhizal inoculation Duponnois, Robin Kisa, Marija Prin, Yves Ducousso, Marc Plenchette, Christian Lepage, Michel Galiana, Antoine eng 2008 New Forests P34 - Biologie du sol P35 - Fertilité du sol F62 - Physiologie végétale - Croissance et développement Acacia holosericea facteur édaphique inoculation Mycorhizé croissance symbiose expérimentation Pisolithus http://aims.fao.org/aos/agrovoc/c_26329 http://aims.fao.org/aos/agrovoc/c_15617 http://aims.fao.org/aos/agrovoc/c_3879 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_7563 http://aims.fao.org/aos/agrovoc/c_2758 http://aims.fao.org/aos/agrovoc/c_23961 Sénégal http://aims.fao.org/aos/agrovoc/c_6970 Australian acacias like Acacia holosericea are excellent candidates for the revegetation of arid zones in Africa. Their high ability to develop multiple symbioses with soil microorganisms is crucial to their rapid development in adverse climatic and edaphic conditions. These symbioses include nitrogen fixation with rhizobia, vesicular arbuscular mycorrhization and ectomycorrhization. We set up an experiment to test the growth response of A. holosericea to ectomycorrhizal inoculation in 13 different soils from Senegal. After autoclaving the soil, the experiment was conducted in a greenhouse for four weeks. Plants were inoculated with Pisolithus albus strain IR100. The following parameters were measured: plant biomass, N, P, K and Ca foliar composition, spontaneous nodulation rate, and ectomycorrhizal colonization. Data were analyzed in light of the physical, chemical and total microbial characteristics of the soil. The results demonstrated a global promoting effect of P. albus inoculation on plant (shoot and root) growth and on foliar P and K, together with a depressive effect on N, while Ca rates were barely affected. Interestingly, spontaneous nodulation with putative water- or airborne rhizobia was stimulated after P. albus inoculation. However, these nodules seemed poorly effective, as they failed to cause any change in plant growth or in foliar N composition within the nodulated and nonnodulated control plants. These results show that plant growth response to ectomycorrhizal inoculation is greatly dependent on soil characteristics, and that root ectomycorrhizal colonization is influenced by biotic factors such as soil microbiota. From a practical point of view, data from the present study demonstrate that it is possible to optimize the effect of fungi on plant growth by screening soils under nursery conditions. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/545300/1/document_545300.pdf application/pdf Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1007/s11056-007-9066-3 10.1007/s11056-007-9066-3 http://catalogue-bibliotheques.cirad.fr/cgi-bin/koha/opac-detail.pl?biblionumber=201119 info:eu-repo/semantics/altIdentifier/doi/10.1007/s11056-007-9066-3 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1007/s11056-007-9066-3 |
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P34 - Biologie du sol P35 - Fertilité du sol F62 - Physiologie végétale - Croissance et développement Acacia holosericea facteur édaphique inoculation Mycorhizé croissance symbiose expérimentation Pisolithus http://aims.fao.org/aos/agrovoc/c_26329 http://aims.fao.org/aos/agrovoc/c_15617 http://aims.fao.org/aos/agrovoc/c_3879 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_7563 http://aims.fao.org/aos/agrovoc/c_2758 http://aims.fao.org/aos/agrovoc/c_23961 http://aims.fao.org/aos/agrovoc/c_6970 P34 - Biologie du sol P35 - Fertilité du sol F62 - Physiologie végétale - Croissance et développement Acacia holosericea facteur édaphique inoculation Mycorhizé croissance symbiose expérimentation Pisolithus http://aims.fao.org/aos/agrovoc/c_26329 http://aims.fao.org/aos/agrovoc/c_15617 http://aims.fao.org/aos/agrovoc/c_3879 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_7563 http://aims.fao.org/aos/agrovoc/c_2758 http://aims.fao.org/aos/agrovoc/c_23961 http://aims.fao.org/aos/agrovoc/c_6970 |
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P34 - Biologie du sol P35 - Fertilité du sol F62 - Physiologie végétale - Croissance et développement Acacia holosericea facteur édaphique inoculation Mycorhizé croissance symbiose expérimentation Pisolithus http://aims.fao.org/aos/agrovoc/c_26329 http://aims.fao.org/aos/agrovoc/c_15617 http://aims.fao.org/aos/agrovoc/c_3879 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_7563 http://aims.fao.org/aos/agrovoc/c_2758 http://aims.fao.org/aos/agrovoc/c_23961 http://aims.fao.org/aos/agrovoc/c_6970 P34 - Biologie du sol P35 - Fertilité du sol F62 - Physiologie végétale - Croissance et développement Acacia holosericea facteur édaphique inoculation Mycorhizé croissance symbiose expérimentation Pisolithus http://aims.fao.org/aos/agrovoc/c_26329 http://aims.fao.org/aos/agrovoc/c_15617 http://aims.fao.org/aos/agrovoc/c_3879 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_7563 http://aims.fao.org/aos/agrovoc/c_2758 http://aims.fao.org/aos/agrovoc/c_23961 http://aims.fao.org/aos/agrovoc/c_6970 Duponnois, Robin Kisa, Marija Prin, Yves Ducousso, Marc Plenchette, Christian Lepage, Michel Galiana, Antoine Soil factors influencing the growth response of Acacia holosericea A. Cunn. ex G. Don to ectomycorrhizal inoculation |
description |
Australian acacias like Acacia holosericea are excellent candidates for the revegetation of arid zones in Africa. Their high ability to develop multiple symbioses with soil microorganisms is crucial to their rapid development in adverse climatic and edaphic conditions. These symbioses include nitrogen fixation with rhizobia, vesicular arbuscular mycorrhization and ectomycorrhization. We set up an experiment to test the growth response of A. holosericea to ectomycorrhizal inoculation in 13 different soils from Senegal. After autoclaving the soil, the experiment was conducted in a greenhouse for four weeks. Plants were inoculated with Pisolithus albus strain IR100. The following parameters were measured: plant biomass, N, P, K and Ca foliar composition, spontaneous nodulation rate, and ectomycorrhizal colonization. Data were analyzed in light of the physical, chemical and total microbial characteristics of the soil. The results demonstrated a global promoting effect of P. albus inoculation on plant (shoot and root) growth and on foliar P and K, together with a depressive effect on N, while Ca rates were barely affected. Interestingly, spontaneous nodulation with putative water- or airborne rhizobia was stimulated after P. albus inoculation. However, these nodules seemed poorly effective, as they failed to cause any change in plant growth or in foliar N composition within the nodulated and nonnodulated control plants. These results show that plant growth response to ectomycorrhizal inoculation is greatly dependent on soil characteristics, and that root ectomycorrhizal colonization is influenced by biotic factors such as soil microbiota. From a practical point of view, data from the present study demonstrate that it is possible to optimize the effect of fungi on plant growth by screening soils under nursery conditions. |
format |
article |
topic_facet |
P34 - Biologie du sol P35 - Fertilité du sol F62 - Physiologie végétale - Croissance et développement Acacia holosericea facteur édaphique inoculation Mycorhizé croissance symbiose expérimentation Pisolithus http://aims.fao.org/aos/agrovoc/c_26329 http://aims.fao.org/aos/agrovoc/c_15617 http://aims.fao.org/aos/agrovoc/c_3879 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_7563 http://aims.fao.org/aos/agrovoc/c_2758 http://aims.fao.org/aos/agrovoc/c_23961 http://aims.fao.org/aos/agrovoc/c_6970 |
author |
Duponnois, Robin Kisa, Marija Prin, Yves Ducousso, Marc Plenchette, Christian Lepage, Michel Galiana, Antoine |
author_facet |
Duponnois, Robin Kisa, Marija Prin, Yves Ducousso, Marc Plenchette, Christian Lepage, Michel Galiana, Antoine |
author_sort |
Duponnois, Robin |
title |
Soil factors influencing the growth response of Acacia holosericea A. Cunn. ex G. Don to ectomycorrhizal inoculation |
title_short |
Soil factors influencing the growth response of Acacia holosericea A. Cunn. ex G. Don to ectomycorrhizal inoculation |
title_full |
Soil factors influencing the growth response of Acacia holosericea A. Cunn. ex G. Don to ectomycorrhizal inoculation |
title_fullStr |
Soil factors influencing the growth response of Acacia holosericea A. Cunn. ex G. Don to ectomycorrhizal inoculation |
title_full_unstemmed |
Soil factors influencing the growth response of Acacia holosericea A. Cunn. ex G. Don to ectomycorrhizal inoculation |
title_sort |
soil factors influencing the growth response of acacia holosericea a. cunn. ex g. don to ectomycorrhizal inoculation |
url |
http://agritrop.cirad.fr/545300/ http://agritrop.cirad.fr/545300/1/document_545300.pdf |
work_keys_str_mv |
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_version_ |
1792496927457148928 |