Abstract
UNLABELLED: Resistance-breaking strains of Tomato mosaic virus (ToMV) are emerging in many countries, including Japan. We examined whether deep ultraviolet (UV) irradiation on tomato plants using light-emitting diodes (LEDs) could suppress the expression of ToMV symptoms. We also investigated the optimum wavelength and radiant exposure for suppressing the disease effectively in tomato plants. Among the three wavelengths tested, UV irradiation at 280-290 nm had a relatively high suppressive effect on ToMV and resulted in a low incidence of UV damage. Pre-inoculation exposure to UV was effective in suppressing viral disease, indicating that acquired resistance was induced by UV irradiation. UV-B fluence of 0·7-1·4 kJ m(-2 ) day(-1) at wavelengths of 280-290 nm suppressed ToMV effectively without significant UV damage. SIGNIFICANCE AND IMPACT OF THE STUDY: Disease caused in tomato plants by resistance-breaking Tomato mosaic virus (ToMV) could be suppressed by ultraviolet (UV)-B irradiation using light-emitting diodes (LEDs). This paves the way for the future management of plant viral diseases using deep UV LEDs.
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Claims 5
Claim · model-written summary
UV irradiation at 280-290 nm had a relatively high suppressive effect on ToMV among the three wavelengths tested.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- UV irradiation at 280-290 nme1
- Interactor
- ToMVe1pathogen
- Outcome
- suppressive effect on ToMVe1
- Direction
- relatively highe1
- Comparator
- three wavelengths testede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Among the three wavelengths tested, UV irradiation at 280-290 nm had a relatively high suppressive effect on ToMV and resulted in a low incidence of UV damage”
t0“Suppression of Tomato mosaic virus disease in tomato plants”
Claim · model-written summary
UV irradiation at 280-290 nm resulted in a low incidence of UV damage on tomato compared with the other wavelengths.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- UV irradiation at 280-290 nme1
- Outcome
- incidence of UV damagee1
- Direction
- lowe1
- Comparator
- three wavelengths testede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Among the three wavelengths tested, UV irradiation at 280-290 nm had a relatively high suppressive effect on ToMV and resulted in a low incidence of UV damage”
t0“Suppression of Tomato mosaic virus disease in tomato plants”
Claim · model-written summary
Pre-inoculation exposure to UV was effective in suppressing viral disease in tomato.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- Pre-inoculation exposure to UVe2
- Outcome
- viral diseasee2
- Direction
- effectivee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Pre-inoculation exposure to UV was effective in suppressing viral disease, indicating that acquired resistance was induced by UV irradiation”
t0“Suppression of Tomato mosaic virus disease in tomato plants”
Claim · model-written summary
Acquired resistance was induced by UV irradiation in tomato, according to the authors.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- UV irradiatione2
- Outcome
- acquired resistancee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Pre-inoculation exposure to UV was effective in suppressing viral disease, indicating that acquired resistance was induced by UV irradiation”
t0“Suppression of Tomato mosaic virus disease in tomato plants”
Claim · model-written summary
UV-B fluence at 280-290 nm suppressed ToMV effectively without significant UV damage in tomato.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- UV-B fluencee3
- Interactor
- ToMVe3pathogen
- Outcome
- suppressed ToMVe3
- Direction
- suppressede3
- Qualifier
- without significant UV damagee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“UV-B fluence of 0·7-1·4 kJ m(-2 ) day(-1) at wavelengths of 280-290 nm suppressed ToMV effectively without significant UV damage”
t0“Suppression of Tomato mosaic virus disease in tomato plants”
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See all 19 papers →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.