Abstract
Tomato grafting is practiced worldwide as an innovative approach to manage stress from drought, waterlogging, insects, and diseases. Metribuzin is a commonly used herbicide in tomato but has potential to cause injury after application if plants are under stress. The influence of metribuzin on grafted tomato under drought-stress has not been studied. Greenhouse experiments were conducted in Raleigh, NC to determine the tolerance of drought-stressed grafted and non-grafted tomato to metribuzin. The tomato cultivar ‘Amelia’ was used as the scion in grafted tomato, and for the non-grafted control. Two hybrid tomato ‘Beaufort’ and ‘Maxifort’ were used as rootstocks for grafted plants. Drought-stress treatments included: no drought-stress; 3 d of drought-stress before metribuzin application with no drought-stress after application (3 d DSB); and 3 d of drought-stress before metribuzin application with 3 d of drought-stress after application (3 d DSBA). Metribuzin was applied at 550 g ai ha −1 . No difference in injury from metribuzin was observed in grafted and non-grafted plants. However, at 7 and 14 d after metribuzin treatment (DMT), less injury was observed on tomato in the 3 d DSBA treatment (5 and 2% injury, respectively) than on plants in the 3 d DSB treatment (15 and 8% injury, respectively) or those that were never drought-stressed (18 and 11% injury, respectively). Photosynthesis and stomatal conductance measured prior to metribuzin application were reduced similarly in grafted and non-grafted tomato subjected to drought-stress. Photosynthesis and stomatal conductance of grafted and non-grafted tomato at 7 DMT was not different among drought-stress treatments or metribuzin treatments. Grafted and non-grafted tomato plants under drought-stress exhibit similar tolerance to metribuzin. The risk of metribuzin injury to grafted tomato under drought-stress is similar to non-grafted tomato.
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Claims 6
Claim · model-written summary
No difference in metribuzin injury was observed between grafted and non-grafted tomato.
- Taxon
- Tomato
Solanum lycopersicume0 - Treatment
- graftede3
- Outcome
- injury from metribuzine3
- Direction
- no_changeinferrede3
- Comparator
- non-grafted plantse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tomato grafting is practiced worldwide”
e3“No difference in injury from metribuzin was observed in grafted and non-grafted plants”
Claim · model-written summary
At 7 and 14 DMT, injury was lower in the 3 d DSBA treatment (5 and 2%) than in the 3 d DSB treatment.
- Taxon
- TomatoSolanum lycopersicume0
- Treatment
- 3 d DSBAe2
- Outcome
- injurye2
- Direction
- lesse2
- Value
- 5 and 2% injurye2
- Qualifier
- 7 and 14 d after metribuzin treatment (DMT)e2
- Comparator
- 3 d DSBe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tomato grafting is practiced worldwide”
e2“at 7 and 14 d after metribuzin treatment (DMT), less injury was observed on tomato in the 3 d DSBA treatment (5 and 2% injury, respectively) than on plants in the 3 d DSB treatment (15 and 8% injury, respectively) or those that were never drought-stressed (18 and 11% injury, respectively)”
Claim · model-written summary
At 7 and 14 DMT, injury was lower in the 3 d DSBA treatment (5 and 2%) than in plants that were never drought-stressed (18 and 11%).
- Taxon
- TomatoSolanum lycopersicume0
- Treatment
- 3 d DSBAe2
- Outcome
- injurye2
- Direction
- lesse2
- Value
- 5 and 2% injurye2
- Qualifier
- 18 and 11% injury, respectivelye2
- Comparator
- never drought-stressede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tomato grafting is practiced worldwide”
e2“at 7 and 14 d after metribuzin treatment (DMT), less injury was observed on tomato in the 3 d DSBA treatment (5 and 2% injury, respectively) than on plants in the 3 d DSB treatment (15 and 8% injury, respectively) or those that were never drought-stressed (18 and 11% injury, respectively)”
Claim · model-written summary
Photosynthesis and stomatal conductance were reduced similarly in grafted and non-grafted tomato under drought stress before metribuzin application.
- Taxon
- TomatoSolanum lycopersicume0
- Treatment
- drought-stresse4
- Outcome
- Photosynthesis and stomatal conductancee4
- Direction
- reducede4
- Qualifier
- similarlye4
- Comparator
- non-grafted tomatoe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tomato grafting is practiced worldwide”
e4“Photosynthesis and stomatal conductance measured prior to metribuzin application were reduced similarly in grafted and non-grafted tomato subjected to drought-stress”
Claim · model-written summary
At 7 DMT, photosynthesis and stomatal conductance did not differ among drought-stress or metribuzin treatments.
- Taxon
- TomatoSolanum lycopersicume0
- Treatment
- drought-stress treatmentse5
- Outcome
- Photosynthesis and stomatal conductancee5
- Direction
- no_changeinferrede5
- Qualifier
- at 7 DMTe5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tomato grafting is practiced worldwide”
e5“Photosynthesis and stomatal conductance of grafted and non-grafted tomato at 7 DMT was not different among drought-stress treatments or metribuzin treatments”
Claim · model-written summary
Grafted and non-grafted tomato under drought stress show similar tolerance to metribuzin.
- Taxon
- TomatoSolanum lycopersicume0
- Treatment
- drought-stresse6
- Outcome
- tolerance to metribuzine6
- Direction
- similare6
- Comparator
- non-grafted tomatoe6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tomato grafting is practiced worldwide”
e6“Grafted and non-grafted tomato plants under drought-stress exhibit similar tolerance to metribuzin”
The same questions in other papers
grafting · crop injury · Solanum lycopersicum (tomato)Positive and negative results
1 in the opposite direction
- positive
drought · physiology: photosynthesis · Solanum lycopersicum (tomato)Positive and negative results
47 papers in the same direction as this paper · 6 in the opposite direction
- negative
- positive
- positive
50 papers more in this group
See all 54 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.