Abstract
Maize is an important crop worldwide having vital nutritional, medicinal, and economic significance. It is vulnerable to a broad spectrum of emerging infections and diseases caused by Fusarium species which are collectively termed fusariosis. The negative consequences of fusariosis can stimulate a considerable economic loss in the food chain. With this context, this study evaluated the biological control potential of 127 fungal strains that were sampled from the rhizosphere of five different Mexican maize landraces. Results showed that the strain Trichoderma sp. CM-CNRG 444 was able to inihbit the growth of maize-pathogenic strains of Fusarium fujikuroi, F. incarnatum-equiseti, F. oxysporum, and F. sambucinum species complexes by colonisation and mycoparasitism on dual culture assays. The colonisation of Trichoderma sp. CM-CNRG 444 in seeds (42.5%), roots (67.5%), and crown tissue (75.5%) during maize germination reduces the tissues rot of Fusarium strains by 50%–100%. Additionally, plants co-inoculated with Trichoderma sp. CM-CNRG 444 and Fusarium strains were statistically similar to the control plants in the number of leaves, root system, stem length, and biomass accumulation. It is concluded that the fungal strain Trichoderma sp. CM-CNRG 444 protects maize seed germination, seedlings and plants development against fusariosis. Based on the findings, Trichoderma sp. CM-CNRG 444 can be used to develop an agent to control fusariosis in maize crop.
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Claims 6
Claim · model-written summary
Trichoderma sp. CM-CNRG 444 inhibited growth of maize-pathogenic Fusarium species complexes in dual culture by colonisation and mycoparasitism.
- Treatment
- Trichoderma sp. CM-CNRG 444e1
- Interactor
- Fusarium fujikuroi
Fusarium fujikuroie1pathogen - Second interactor
- Trichoderma sp. CM-CNRG 444e1biocontrol_agent
- Outcome
- growth of maize-pathogenic strainse1
- Direction
- inihbite1
- Setting
- dual culture assayse1
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“the strain Trichoderma sp. CM-CNRG 444 was able to inihbit the growth of maize-pathogenic strains of Fusarium fujikuroi, F. incarnatum-equiseti, F. oxysporum, and F. sambucinum species complexes by colonisation and mycoparasitism on dual culture assays”
Claim · model-written summary
Trichoderma sp. CM-CNRG 444 colonised maize seeds at 42.5% during germination.
- Organ / stage
- seedse2
- Interactor
- Trichoderma sp. CM-CNRG 444e2biocontrol_agent
- Outcome
- colonisatione2
- Value
- 42.5%e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The colonisation of Trichoderma sp. CM-CNRG 444 in seeds (42.5%), roots (67.5%), and crown tissue (75.5%) during maize germination”
Claim · model-written summary
Trichoderma sp. CM-CNRG 444 colonised maize roots at 67.5% during germination.
- Organ / stage
- rootse2
- Interactor
- Trichoderma sp. CM-CNRG 444e2biocontrol_agent
- Outcome
- colonisatione2
- Value
- 67.5%e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The colonisation of Trichoderma sp. CM-CNRG 444 in seeds (42.5%), roots (67.5%), and crown tissue (75.5%) during maize germination”
Claim · model-written summary
Trichoderma sp. CM-CNRG 444 colonised maize crown tissue at 75.5% during germination.
- Organ / stage
- crown tissuee2
- Interactor
- Trichoderma sp. CM-CNRG 444e2biocontrol_agent
- Outcome
- colonisatione2
- Value
- 75.5%e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The colonisation of Trichoderma sp. CM-CNRG 444 in seeds (42.5%), roots (67.5%), and crown tissue (75.5%) during maize germination”
Claim · model-written summary
Trichoderma colonisation during maize germination reduced Fusarium tissue rot by 50%–100%.
- Treatment
- colonisation of Trichoderma sp. CM-CNRG 444e3
- Interactor
- Fusarium strainse3pathogen
- Second interactor
- Trichoderma sp. CM-CNRG 444e3biocontrol_agent
- Outcome
- tissues rote3
- Direction
- reducese3
- Value
- 50%–100%e3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“The colonisation of Trichoderma sp. CM-CNRG 444 in seeds (42.5%), roots (67.5%), and crown tissue (75.5%) during maize germination reduces the tissues rot of Fusarium strains by 50%–100%”
Claim · model-written summary
Plants co-inoculated with Trichoderma and Fusarium were statistically similar to control plants in leaf number, root system, stem length and biomass.
- Treatment
- co-inoculated with Trichoderma sp. CM-CNRG 444 and Fusarium strainse4
- Interactor
- Fusarium strainse4pathogen
- Second interactor
- Trichoderma sp. CM-CNRG 444e4biocontrol_agent
- Outcome
- number of leaves, root system, stem length, and biomass accumulatione4
- Direction
- statistically similare4
- Comparator
- control plantse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“plants co-inoculated with Trichoderma sp. CM-CNRG 444 and Fusarium strains were statistically similar to the control plants in the number of leaves, root system, stem length, and biomass accumulation”
t0“Maize landrace”
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