Effect of arbuscular mycorrhizal (AM) colonization on terpene emission and content of Artemisia annua L

Plant Biology
F RappariniJ Peñuelas

Abstract

Plant roots interact with a wide variety of rhizospheric microorganisms, including bacteria and the symbiontic arbuscular mycorrhizal (AM) fungi. The mycorrhizal symbiosis represents a series of complex feedbacks between plant and fungus regulated by their physiology and nutrition. Despite the widespread distribution and ecological significance of AM symbiosis, little is known about the potential of AM fungi to affect plant VOC metabolism. The purpose of this study was to investigate whether colonization of plant roots by AM fungi and associated soil microorganisms affects VOC emission and content of Artemisia annua L. plants (Asteraceae). Two inoculum types were evaluated: one consisted of only an arbuscular mycorrhizal (AM) fungus species (Glomus spp.), and the other was a mixture of different Glomus species and associated soil bacteria. Inoculated plants were compared with non-inoculated plants and with plants supplemented with extra phosphorus (P) to obtain plants of the same size as mycorrhizal plants, thus excluding potentially-confounding mycorrhizal effects on shoot growth. VOC emissions of Artemisia annua plants were analyzed by leaf cuvette sampling followed by off-line measurements with pre-concentration and gas chro...Continue Reading

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Citations

Jan 24, 2008·Plant Biology·Francesco LoretoJörg-Peter Schnitzler
Oct 27, 2015·Plant Biology·M T WellingK Benkendorff
Apr 5, 2017·Insect Science·Sergio RasmannEmilio Guerrieri
Jul 25, 2013·Journal of Chemical Ecology·Robert R Junker, Dorothea Tholl
May 25, 2012·Journal of Chemical Ecology·Sabine C JungMaria J Pozo
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Apr 3, 2014·Plant, Cell & Environment·J PeñuelasJ P Schnitzler
Jul 10, 2019·Journal of Chemical Ecology·Amanda R Meier, Mark D Hunter

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