Abstract
Non‐grafted tomato plants ( Lycopersicon esculentum L. cv. Tmknvf 2 ) and grafted tomato plants ( L. esculentum L. cv. Tmknvf 2 × L. esculentum L. cv. RX‐335) were grown for 30 days at three different temperatures (10°C, 25°C and 35°C). In the leaves of these plants, the enzymatic activities of SOD, GPX, CAT, APX, DHAR and GR were analysed, as were the concentrations of total H 2 O 2 , ascorbate and glutathione as well as foliar DW. Regardless of whether the plant was grafted or not, our results indicate that the thermal stress occurred mainly at 35°C, with the following effects: (1) high SOD activity; (2) H 2 O 2 accumulation; (3) foliar‐biomass reduction; (4) low GPX, CAT, APX, DHAR and GR activities; and (5) high concentrations of ascorbate and glutathione. In addition, our data show these effects to be much weaker in grafted than in non‐grafted plants, directly reflected in greater biomass production. Therefore, the use of grafted plants under excessively high temperatures may offer an advantage over non‐grafted plants in terms of resistance against thermal shock.
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Claims 5
Claim · model-written summary
Thermal stress was greatest at 35°C regardless of grafting.
- Taxon
- tomato plants
Solanum lycopersicumt0 - Outcome
- thermal stresse0
- Value
- 35°Ce0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Regardless of whether the plant was grafted or not, our results indicate that the thermal stress occurred mainly at 35°C”
t0“tomato plants”
Claim · model-written summary
Thermal stress increased SOD activity and H2O2 accumulation.
- Taxon
- tomato plantsSolanum lycopersicumt0
- Outcome
- high SOD activity; (2) H 2 O 2 accumulatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“high SOD activity; (2) H 2 O 2 accumulation”
t0“tomato plants”
Claim · model-written summary
Thermal stress reduced foliar biomass and several antioxidant enzyme activities.
- Taxon
- tomato plantsSolanum lycopersicumt0
- Outcome
- foliar‐biomass reduction; (4) low GPX, CAT, APX, DHAR and GR activitiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar‐biomass reduction; (4) low GPX, CAT, APX, DHAR and GR activities”
t0“tomato plants”
Claim · model-written summary
Thermal stress raised ascorbate and glutathione concentrations.
- Taxon
- tomato plantsSolanum lycopersicumt0
- Outcome
- concentrations of ascorbate and glutathionee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“high concentrations of ascorbate and glutathione”
t0“tomato plants”
Claim · model-written summary
Stress effects were weaker in grafted than non-grafted plants, with greater biomass production.
- Taxon
- tomato plantsSolanum lycopersicumt0
- Treatment
- graftede0
- Outcome
- biomass productione0
- Direction
- greatere0
- Comparator
- non‐grafted plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“these effects to be much weaker in grafted than in non‐grafted plants, directly reflected in greater biomass production”
t0“tomato plants”
The same questions in other papers
grafting · yield · Solanum lycopersicum (tomato)Positive and negative results
150 papers in the same direction as this paper · 25 in the opposite direction
- no effect
- positive
- positive
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See all 176 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.