Abstract
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.
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Claims 5
Claim · model-written summary
The nematode population was higher in treatments inoculated with AMFs.
- Treatment
- inoculated with AMFse1
- Interactor
- Pratylenchus brachyurusPratylenchus brachyurust0pest
- Second interactor
- AMFse1symbiont
- Outcome
- nematode populatione1
- Direction
- highere1
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Association between arbuscular mycorrhizal fungi and Pratylenchus brachyurus in maize crop”
e1“The nematode population was higher in the treatments inoculated with AMFs”
Claim · model-written summary
Maize plants inoculated with Rhizophagus clarus did not show improved development compared with the control.
- Treatment
- inoculated with R. claruse2
- Interactor
- R. clarusRhizophagus claruse2symbiont
- Outcome
- developmente2
- Direction
- did not present improvede2
- Comparator
- the controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Association between arbuscular mycorrhizal fungi and Pratylenchus brachyurus in maize crop”
e2“just the plants inoculated with R. clarus did not present improved development in comparison to the control”
Claim · model-written summary
Nematodes increased AMF spore density.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Association between arbuscular mycorrhizal fungi and Pratylenchus brachyurus in maize crop”
e3“Nematodes increased AMF spore density”
Claim · model-written summary
Root colonization capacity of AMFs ranged from 2.3% to 95.0% across the AMF species.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Association between arbuscular mycorrhizal fungi and Pratylenchus brachyurus in maize crop”
e5“AMFs have presented different root colonization capacity (ranging from 2.3% to 95.0%)”
Claim · model-written summary
Root colonization capacity of AMFs was not affected by nematodes.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Association between arbuscular mycorrhizal fungi and Pratylenchus brachyurus in maize crop”
e4“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”
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