Abstract
Results obtained as part of the CASDAR OïdUV project showed that when used as a preventive measure, UV-C light flashes applied at intervals of 7 to 15 days reduce powdery mildew symptoms on grapevine (open field), tomatoes and rose plants (greenhouse). Observations on rose plants also showed a boost to marketable yield under production conditions. A transcriptomics study revealed that flashes of UV-C light stimulate expression of genes of the salicylic acid/NPR1 protein pathway, as well as genes involved in systemic acquired resistance, notably in the synthesis of N-hydroxy-pipecolic acid. Prospects for the application of flashes of UV-C light on new crops and against new pathogens, as well as against abiotic stresses, are discussed.
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Claims 5
Claim · model-written summary
Preventive UV-C flashes at 7 to 15 day intervals reduced powdery mildew symptoms on open-field grapevine.
- Treatment
- UV-C light flashes applied at intervals of 7 to 15 dayse0
- Interactor
- powdery mildewe0pathogen
- Outcome
- powdery mildew symptomse0
- Direction
- reducee0
- Setting
- open fielde0
VitisNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“when used as a preventive measure, UV-C light flashes applied at intervals of 7 to 15 days reduce powdery mildew symptoms on grapevine (open field)”
Claim · model-written summary
Preventive UV-C flashes at 7 to 15 day intervals reduced powdery mildew symptoms on greenhouse tomatoes.
- Taxon
- tomatoes
Solanum lycopersicume0 - Treatment
- UV-C light flashes applied at intervals of 7 to 15 dayse0
- Interactor
- powdery mildewe0pathogen
- Outcome
- powdery mildew symptomse0
- Direction
- reducee0
- Setting
- greenhousee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“when used as a preventive measure, UV-C light flashes applied at intervals of 7 to 15 days reduce powdery mildew symptoms on grapevine (open field), tomatoes and rose plants (greenhouse)”
Claim · model-written summary
Preventive UV-C flashes reduced powdery mildew symptoms on greenhouse rose plants.
- Taxon
- rose plantse0
- Treatment
- UV-C light flashes applied at intervals of 7 to 15 dayse0
- Interactor
- powdery mildewe0pathogen
- Outcome
- powdery mildew symptomse0
- Direction
- reducee0
- Setting
- greenhousee0
Not reportedComparator
Verbatim
e0“when used as a preventive measure, UV-C light flashes applied at intervals of 7 to 15 days reduce powdery mildew symptoms on grapevine (open field), tomatoes and rose plants (greenhouse)”
Claim · model-written summary
UV-C flashes boosted marketable yield of rose plants under production conditions.
- Taxon
- rose plantse0
- Treatment
- UV-C lighte1
- Outcome
- marketable yielde0
- Direction
- booste0
- Setting
- production conditionse0
Not reportedComparator
Verbatim
e0“Observations on rose plants also showed a boost to marketable yield under production conditions.”
e1“flashes of UV-C light stimulate expression”
Claim · model-written summary
UV-C flashes stimulated expression of genes in the salicylic acid/NPR1 protein pathway and systemic acquired resistance, including N-hydroxy-pipecolic acid synthesis genes.
- Treatment
- flashes of UV-C lighte0
- Gene
- NPR1e0
- Compound
- salicylic acide0
- Outcome
- expression of genes of the salicylic acid/NPR1 protein pathway, as well as genes involved in systemic acquired resistancee0
- Direction
- stimulatee0
Not reportedTaxonComparator
Verbatim
e0“flashes of UV-C light stimulate expression of genes of the salicylic acid/NPR1 protein pathway, as well as genes involved in systemic acquired resistance, notably in the synthesis of N-hydroxy-pipecolic acid”
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