Record ID No. |
2009 |
Author(s) |
Sala V.M.R., Freitas S.D., daSilveira A.P.D , 2007 |
Affiliation |
Ctr Solos & Recursos Ambientais, Inst Agron, Caixa Postal 28, BR-13001970 Campinas, SP, BRAZIL |
Title |
Interaction between arbuscular mycorrhizal fungi and diazotrophic bacterial in wheat plants |
Source. Vol.(no):Page |
Pesquisa Agropecuaria Brasileira.42(11):1593-1600p. |
Categories |
Arbuscular Mycorrhiza |
Subjects |
Biochemistry |
Sub-subjects |
Miscellaneous |
Organism |
n.a. |
Country |
BRAZIL, South America |
Abstracts |
The aim of this work was to evaluate the inoculation effect of two new endophytic
diazotrophic bacteria and the interaction between arbuscular mycorrhizal fungi (AMF) and these
bacteria on wheat plants. The experiment was carried out in a greenhouse with the two strains of
diazotrophic bacteria, IAC11HT (Achromobacter insolitus) and IAC12HT (Zoogloea ramigera), and two
AMF (Glomus sp. And Acaulospora sp.). There was synergistic effect of the co-inoculation on root
colonization by diazotrophic bacteria with the AMF of the genus Acaulospora. The plants colonized
by Glomus associated to bacterial strains showed higher growth, accumulation and exploitation of
the nutrients than plants colonized by Acaulospora sp., however, this effect did not surpass the
treatments in which bacteria and fungi were inoculated separately. Although there were
non-beneficial effects of the AMF-diazotrophic bacteria co-inoculation, for the most parameters
assessed, these news bacteria strains promoted doubled shoot dry matter, shoot N and P
concentration and accumulation in wheat plants. |