Growth response of marigold (Tagetes erecta L.) to inoculation withGlomus mosseae,Trichoderma aureoviride andPythium ultimum in a peat-perlite mixture |
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| Authors: | C Calvet J Pera J M Barea |
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| Institution: | (1) Department de Patología Vegetal, Centre de Cabrils, Carretera de Cabrils s/n., Institut de Recerca i Tecnología Agroalimentàries (IRTA), 08348 Cabrils Barcelona, Spain;(2) Departamento de Microbiología, Estación Experimental del Zaidín, C.S.I.C., 18008 Granada, Spain |
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| Abstract: | The interactions between the mycorrhizal fungusGlomus mosseae, the plant pathogenPythium ultimum, and a pathogen-antagonistTrichoderma aureoviride in the rhizosphere ofTagetes erecta (marigold) were studied for their effects on plant growth in a peat-perlite substrate. Mycorrhizal fungus inoculation protected the plant againstP. ultimum, since both phytomass production and foliar development were higher in mycorrhizal plants.T. aureoviride had no effect on nonmycorrhizal plants in the presence or absence ofP. ultimum. However, more biomass was produced by mycorrhizal plants whenT. aureoviride was present, whether or not soil was infested withP. ultimum. ei]R Rodriguez-Kabana |
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| Keywords: | Glomus mosseae microbial interactions Pythium ultimum Tagetes erecta Trichoderma aureoviride VA-mycorrhizae |
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