Abstract
Among microbials, Trichoderma spp. have been the focus of significant research due to their capacity to promote plant growth and suppress a wide range of phytopathogens. A total of 27 native isolates of Trichoderma spp. were obtained from diverse agroecological regions of the province of Tucumán, Argentina, and were characterized by their antagonistic activity and phytostimulant potential. In vitro assays revealed the ability of the isolates to combat fungal phytopathogens that affect various economically important crops, such as Penicillium digitatum, Alternaria alternata, Botrytis cinerea, Phytophthora capsici, and Fusarium oxysporum. Furthermore, it was determined that diffusible compounds secreted by Trichoderma isolates did not induce the elongation of the primary root of Arabidopsis thaliana in vitro; however, volatile compounds released by certain isolates not only induced this process but also increased the area occupied by the lateral roots of the plant. Based on this screening, five isolates were selected for further analyses: T. longibrachiatum (CP-1), T. breve (HM-1), T. scalesiae (L1-03), T. yunnanense (M4Ar-05), and T. atrobrunneum (M5Ar-03). The strains were evaluated for their ability to promote the growth of A. thaliana under greenhouse conditions and modulate the expression of growth and defense-related genes. All treated plants exhibited increased biomass and leaf area, accompanied by isolate-dependent changes in the expression of genes involved in plant development and immune responses. These results suggest that the selected Trichoderma spp. possess multiple beneficial traits, with valuable agricultural properties, and provide a basis for the development of bioformulations adapted to local production systems.
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Claims 6
Claim · model-written summary
Trichoderma isolates antagonized several fungal crop pathogens in vitro.
- Taxon
- Arabidopsis thaliana
Arabidopsis thalianat0 - Interactor
- Trichoderma
Trichodermat0biocontrol_agent - Outcome
- combat fungal phytopathogense0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the ability of the isolates to combat fungal phytopathogens that affect various economically important crops, such as Penicillium digitatum, Alternaria alternata, Botrytis cinerea, Phytophthora capsici, and Fusarium oxysporum”
t0“Trichoderma spp. isolates: phytostimulant and biocontrol properties in the model plant Arabidopsis thaliana”
Claim · model-written summary
Diffusible Trichoderma compounds did not elongate Arabidopsis primary roots.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae0
- Treatment
- diffusible compounds secreted by Trichoderma isolatese0
- Interactor
- TrichodermaTrichodermae0symbiont
- Outcome
- elongation of the primary roote0
- Direction
- did not inducee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“diffusible compounds secreted by Trichoderma isolates did not induce the elongation of the primary root of Arabidopsis thaliana in vitro”
Claim · model-written summary
Volatiles from some isolates induced primary root elongation.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- volatile compounds released by certain isolatese0
- Interactor
- Trichoderma spp.Trichodermat0symbiont
- Outcome
- elongation of the primary roote1
- Direction
- inducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“volatile compounds released by certain isolates not only induced this process”
t0“Trichoderma spp. isolates: phytostimulant and biocontrol properties in the model plant Arabidopsis thaliana”
e1“elongation of the primary root of Arabidopsis thaliana”
Claim · model-written summary
Volatiles from some isolates increased lateral root area.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- volatile compounds released by certain isolatese1
- Interactor
- Trichoderma spp.Trichodermat0symbiont
- Outcome
- area occupied by the lateral rootse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased the area occupied by the lateral roots of the plant”
t0“Trichoderma spp. isolates: phytostimulant and biocontrol properties in the model plant Arabidopsis thaliana”
e1“volatile compounds released by certain isolates”
Claim · model-written summary
All treated Arabidopsis plants had increased biomass and leaf area.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- treated plantse0
- Interactor
- Trichoderma spp.Trichodermat0symbiont
- Outcome
- biomass and leaf areae0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All treated plants exhibited increased biomass and leaf area”
t0“Trichoderma spp. isolates: phytostimulant and biocontrol properties in the model plant Arabidopsis thaliana”
Claim · model-written summary
Treated plants showed isolate-dependent changes in development and immune gene expression.
- Taxon
- A. thalianaArabidopsis thalianae1
- Interactor
- Trichoderma spp.Trichodermat0symbiont
- Outcome
- expression of genes involved in plant development and immune responsese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“isolate-dependent changes in the expression of genes involved in plant development and immune responses”
t0“Trichoderma spp. isolates: phytostimulant and biocontrol properties in the model plant Arabidopsis thaliana”
e1“A. thaliana”
The same questions in other papers
Trichoderma · growth · Arabidopsis thaliana (thale cress)Positive and negative results
3 in the opposite direction
- positive
- positive
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.