Record ID No. |
6482 |
Author(s) |
Brito O. D. C.*, Hernandes I., Ferreira J. C. A., Cardoso M. R., Alberton O. and Dias-Areira C. R. , 2018 |
Affiliation |
*Universidade Estadual do Oeste do Paraná, Pós Graduação em Agronomia, Estrada Pernambuco 1777, Marechal Cândido Rondon, Paraná, Brazil. |
Title |
Association between arbuscular mycorrhizal fungi and Pratylenchus brachyurus in maize crop. |
Source. Vol.(no):Page |
Chilean Journal of Agricultural Research. 78(4). |
Categories |
Arbuscular Mycorrhiza |
Subjects |
Biological Interaction Ecology |
Sub-subjects |
Nematodes |
Host |
Zea mays |
Organism |
Rhizophagus clarus, Claroideoglomus etunicatum, Gigaspora rosea, G. margarits, Scutellospora calospora, S. heterogama, Pratylenchus brachyurus |
Country |
Brazil |
Abstracts |
Maize (Zea mays L.) is one crop of major relevance in Brazil; however, nematodes are limiting factors in maize growth and productivity due to the difficulty to control them. Studies point out that arbuscular mycorrhizal fungi (AMF) increase plant tolerance to nematodes. Thus, the aim of this study was to assess the association between AMFs and Pratylenchus brachyurus in maize growth. Six AMF species (Rhizophagus clarus, Claroideoglomus etunicatum, Gigaspora rosea, G. margarita, Scutellospora calospora, S. heterogama), as well as a control treatment free of mycorrhizae, were assessed under two different nematode inoculum conditions (presence and absence). Plants were collected and analyzed 60 d after inoculation. The nematode population was higher in the treatments inoculated with AMFs. On the other hand, just the plants inoculated with R. clarus did not present improved development in comparison to the control. Nematodes increased AMF spore density, but despite the fact that AMFs have presented different root colonization capacity (ranging from 2.3% to 95.0%), such capacity was not affected by the nematodes. |