Attractancy of bacterivorous nematodes to root-adhering soils differs according to rice cultivars
We tested the ability of root-adhering soils (RAS) from eight rice cultivars to attract a bacterivorous nematode (Acrobeloides sp.) living in a poor-nutrient soil in Madagascar. We showed that the ability of rice to attract bacterivorous nematodes in its rhizosphere is variable among cultivars. FOFIFA 172 was the cultivar with the highest attraction value, the lowest root biomass (RB) and the highest RAS:RB ratio and RAS respiration. In contrast, nematodes exhibited strong repellent response to W880 RAS. Also, nematode attractancy was not related to rice resistance against pests (blast rice disease and Striga asiatica) neither to cultivar ability to grow at specific altitude. Our results suggest a trade-off in carbon allocation between plant biomass and root exudation driving nematode attractancy and raise questions about the impact of plant breeding on cultivar ability to interact with soil mutualists such as bacterivorous nematodes. Further investigations are required into (i) variation in root exudate quantity and composition among the eight cultivars and (ii) the response of rice cultivars to bacterivorous nematode inoculation.
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Subjects: | F30 - Génétique et amélioration des plantes, F60 - Physiologie et biochimie végétale, Oryza sativa, interactions biologiques, nématode à vie libre, micro-organisme du sol, rhizosphère, ferralsol, riz pluvial, variété, physiologie végétale, amélioration des plantes, http://aims.fao.org/aos/agrovoc/c_5438, http://aims.fao.org/aos/agrovoc/c_49896, http://aims.fao.org/aos/agrovoc/c_36731, http://aims.fao.org/aos/agrovoc/c_36167, http://aims.fao.org/aos/agrovoc/c_6569, http://aims.fao.org/aos/agrovoc/c_2858, http://aims.fao.org/aos/agrovoc/c_8076, http://aims.fao.org/aos/agrovoc/c_8157, http://aims.fao.org/aos/agrovoc/c_25189, http://aims.fao.org/aos/agrovoc/c_5956, http://aims.fao.org/aos/agrovoc/c_4510, |
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dig-cirad-fr-5842372024-01-29T00:16:01Z http://agritrop.cirad.fr/584237/ http://agritrop.cirad.fr/584237/ Attractancy of bacterivorous nematodes to root-adhering soils differs according to rice cultivars. Ranoarisoa Patricia Mahafaka, Blanchart Eric, Vom Brocke Kirsten, Ramanantsoanirina Alain, Sester Mathilde, Plassard Claude, Cournac Laurent, Trap Jean. 2017. Rhizosphere, 3 (Part 1) : 128-131.https://doi.org/10.1016/j.rhisph.2017.04.001 <https://doi.org/10.1016/j.rhisph.2017.04.001> Attractancy of bacterivorous nematodes to root-adhering soils differs according to rice cultivars Ranoarisoa, Patricia Mahafaka Blanchart, Eric Vom Brocke, Kirsten Ramanantsoanirina, Alain Sester, Mathilde Plassard, Claude Cournac, Laurent Trap, Jean eng 2017 Rhizosphere F30 - Génétique et amélioration des plantes F60 - Physiologie et biochimie végétale Oryza sativa interactions biologiques nématode à vie libre micro-organisme du sol rhizosphère ferralsol riz pluvial variété physiologie végétale amélioration des plantes http://aims.fao.org/aos/agrovoc/c_5438 http://aims.fao.org/aos/agrovoc/c_49896 http://aims.fao.org/aos/agrovoc/c_36731 http://aims.fao.org/aos/agrovoc/c_36167 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_2858 http://aims.fao.org/aos/agrovoc/c_8076 http://aims.fao.org/aos/agrovoc/c_8157 http://aims.fao.org/aos/agrovoc/c_25189 http://aims.fao.org/aos/agrovoc/c_5956 Madagascar http://aims.fao.org/aos/agrovoc/c_4510 We tested the ability of root-adhering soils (RAS) from eight rice cultivars to attract a bacterivorous nematode (Acrobeloides sp.) living in a poor-nutrient soil in Madagascar. We showed that the ability of rice to attract bacterivorous nematodes in its rhizosphere is variable among cultivars. FOFIFA 172 was the cultivar with the highest attraction value, the lowest root biomass (RB) and the highest RAS:RB ratio and RAS respiration. In contrast, nematodes exhibited strong repellent response to W880 RAS. Also, nematode attractancy was not related to rice resistance against pests (blast rice disease and Striga asiatica) neither to cultivar ability to grow at specific altitude. Our results suggest a trade-off in carbon allocation between plant biomass and root exudation driving nematode attractancy and raise questions about the impact of plant breeding on cultivar ability to interact with soil mutualists such as bacterivorous nematodes. Further investigations are required into (i) variation in root exudate quantity and composition among the eight cultivars and (ii) the response of rice cultivars to bacterivorous nematode inoculation. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/584237/1/1-s2.0-S2452219817300435-main.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1016/j.rhisph.2017.04.001 10.1016/j.rhisph.2017.04.001 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.rhisph.2017.04.001 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1016/j.rhisph.2017.04.001 |
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F30 - Génétique et amélioration des plantes F60 - Physiologie et biochimie végétale Oryza sativa interactions biologiques nématode à vie libre micro-organisme du sol rhizosphère ferralsol riz pluvial variété physiologie végétale amélioration des plantes http://aims.fao.org/aos/agrovoc/c_5438 http://aims.fao.org/aos/agrovoc/c_49896 http://aims.fao.org/aos/agrovoc/c_36731 http://aims.fao.org/aos/agrovoc/c_36167 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_2858 http://aims.fao.org/aos/agrovoc/c_8076 http://aims.fao.org/aos/agrovoc/c_8157 http://aims.fao.org/aos/agrovoc/c_25189 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_4510 F30 - Génétique et amélioration des plantes F60 - Physiologie et biochimie végétale Oryza sativa interactions biologiques nématode à vie libre micro-organisme du sol rhizosphère ferralsol riz pluvial variété physiologie végétale amélioration des plantes http://aims.fao.org/aos/agrovoc/c_5438 http://aims.fao.org/aos/agrovoc/c_49896 http://aims.fao.org/aos/agrovoc/c_36731 http://aims.fao.org/aos/agrovoc/c_36167 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_2858 http://aims.fao.org/aos/agrovoc/c_8076 http://aims.fao.org/aos/agrovoc/c_8157 http://aims.fao.org/aos/agrovoc/c_25189 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_4510 |
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F30 - Génétique et amélioration des plantes F60 - Physiologie et biochimie végétale Oryza sativa interactions biologiques nématode à vie libre micro-organisme du sol rhizosphère ferralsol riz pluvial variété physiologie végétale amélioration des plantes http://aims.fao.org/aos/agrovoc/c_5438 http://aims.fao.org/aos/agrovoc/c_49896 http://aims.fao.org/aos/agrovoc/c_36731 http://aims.fao.org/aos/agrovoc/c_36167 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_2858 http://aims.fao.org/aos/agrovoc/c_8076 http://aims.fao.org/aos/agrovoc/c_8157 http://aims.fao.org/aos/agrovoc/c_25189 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_4510 F30 - Génétique et amélioration des plantes F60 - Physiologie et biochimie végétale Oryza sativa interactions biologiques nématode à vie libre micro-organisme du sol rhizosphère ferralsol riz pluvial variété physiologie végétale amélioration des plantes http://aims.fao.org/aos/agrovoc/c_5438 http://aims.fao.org/aos/agrovoc/c_49896 http://aims.fao.org/aos/agrovoc/c_36731 http://aims.fao.org/aos/agrovoc/c_36167 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_2858 http://aims.fao.org/aos/agrovoc/c_8076 http://aims.fao.org/aos/agrovoc/c_8157 http://aims.fao.org/aos/agrovoc/c_25189 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_4510 Ranoarisoa, Patricia Mahafaka Blanchart, Eric Vom Brocke, Kirsten Ramanantsoanirina, Alain Sester, Mathilde Plassard, Claude Cournac, Laurent Trap, Jean Attractancy of bacterivorous nematodes to root-adhering soils differs according to rice cultivars |
description |
We tested the ability of root-adhering soils (RAS) from eight rice cultivars to attract a bacterivorous nematode (Acrobeloides sp.) living in a poor-nutrient soil in Madagascar. We showed that the ability of rice to attract bacterivorous nematodes in its rhizosphere is variable among cultivars. FOFIFA 172 was the cultivar with the highest attraction value, the lowest root biomass (RB) and the highest RAS:RB ratio and RAS respiration. In contrast, nematodes exhibited strong repellent response to W880 RAS. Also, nematode attractancy was not related to rice resistance against pests (blast rice disease and Striga asiatica) neither to cultivar ability to grow at specific altitude. Our results suggest a trade-off in carbon allocation between plant biomass and root exudation driving nematode attractancy and raise questions about the impact of plant breeding on cultivar ability to interact with soil mutualists such as bacterivorous nematodes. Further investigations are required into (i) variation in root exudate quantity and composition among the eight cultivars and (ii) the response of rice cultivars to bacterivorous nematode inoculation. |
format |
article |
topic_facet |
F30 - Génétique et amélioration des plantes F60 - Physiologie et biochimie végétale Oryza sativa interactions biologiques nématode à vie libre micro-organisme du sol rhizosphère ferralsol riz pluvial variété physiologie végétale amélioration des plantes http://aims.fao.org/aos/agrovoc/c_5438 http://aims.fao.org/aos/agrovoc/c_49896 http://aims.fao.org/aos/agrovoc/c_36731 http://aims.fao.org/aos/agrovoc/c_36167 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_2858 http://aims.fao.org/aos/agrovoc/c_8076 http://aims.fao.org/aos/agrovoc/c_8157 http://aims.fao.org/aos/agrovoc/c_25189 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_4510 |
author |
Ranoarisoa, Patricia Mahafaka Blanchart, Eric Vom Brocke, Kirsten Ramanantsoanirina, Alain Sester, Mathilde Plassard, Claude Cournac, Laurent Trap, Jean |
author_facet |
Ranoarisoa, Patricia Mahafaka Blanchart, Eric Vom Brocke, Kirsten Ramanantsoanirina, Alain Sester, Mathilde Plassard, Claude Cournac, Laurent Trap, Jean |
author_sort |
Ranoarisoa, Patricia Mahafaka |
title |
Attractancy of bacterivorous nematodes to root-adhering soils differs according to rice cultivars |
title_short |
Attractancy of bacterivorous nematodes to root-adhering soils differs according to rice cultivars |
title_full |
Attractancy of bacterivorous nematodes to root-adhering soils differs according to rice cultivars |
title_fullStr |
Attractancy of bacterivorous nematodes to root-adhering soils differs according to rice cultivars |
title_full_unstemmed |
Attractancy of bacterivorous nematodes to root-adhering soils differs according to rice cultivars |
title_sort |
attractancy of bacterivorous nematodes to root-adhering soils differs according to rice cultivars |
url |
http://agritrop.cirad.fr/584237/ http://agritrop.cirad.fr/584237/1/1-s2.0-S2452219817300435-main.pdf |
work_keys_str_mv |
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