Claim · model-written summary
Earlier studies showed that dipping rice roots in Trichoderma asperellum or applying it as a foliar spray significantly reduced rice blast.
- Taxon
- rice
Oryza sativae0 - Treatment
- dipping rice roots in a formulation of Trichoderma asperellume0
- Interactor
- Magnaporthe oryzae
Pyricularia oryzaee0pathogen - Second interactor
- Trichoderma asperellum
Trichoderma asperellume0biocontrol_agent - Outcome
- rice blaste0
- Direction
- reductione0
Not reportedMaterialGeneCompoundOrgan / stageComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dipping rice roots in a formulation of Trichoderma asperellum at the transplanting stage or applying the strain as a foliar spray post transplanting led to a statistically significant reduction in rice blast (caused by Magnaporthe oryzae )”
Title
Greg Deakin; Georgina Fagg; Tom Passey; et al. Annals of Applied Biology 2026. doi:10.1111/aab.70119
Other claims from this paper (11)
- Intervention effect Earlier studies showed that dipping rice roots in Trichoderma asperellum or foliar spraying it increased rice grain yield in Tanzania.
- Intervention effect Root dipping and foliar application of T. asperellum spore suspension had only a limited impact on the leaf epiphytes and root/rhizosphere microbiome after 1 and 4 weeks.
- Intervention effect Both treatments led to notable and persistent changes in plant responses in leaves.
- Intervention effect Root dipping led to greater and more persistent changes in plant responses than foliar spraying.
- Intervention effect About 3.3% of plant genes showed statistically significant differential expression after foliar spray treatment.
- Intervention effect About 4.3% of plant genes showed statistically significant differential expression after root dipping treatment.
- Intervention effect Foliar spray treatment changed two of the five identified gene modules, comprising 216 and 890 genes.
- Intervention effect Root dipping changed 24 of the 32 identified gene modules.
- Intervention effect Many induced changes in the direction of differentially expressed genes differed between root dipping and foliar spraying, particularly genes related to chloroplast activities.
- Mechanism The large non-overlapping induced plant changes of root dipping and foliar spraying explain the additive effects of the two treatments on grain yield in previous field studies.
- Mechanism Blast reduction by foliar T. asperellum is unlikely to be due to direct antagonism against M. oryzae and more likely occurs via induced plant defence responses.