Abstract
Grafting tomato (Solanum lycopersicum L.) onto introgression lines (ILs) derived from S. habrochaites with introgression of a quantitative trait locus (QTL), stm9, for shoot turgor maintainer located on chromosome 9 has been suggested for improving yield under abiotic stresses. However, the physiological and agronomic responses of grafts with IL rootstocks to low root-zone temperature (RZT) and drought stresses are not yet clearly understood. Therefore, recurrent parent (RP) grafted onto IL and donor (D) rootstocks, and self-grafted IL and RP were examined at different combinations of optimal (20°–26°C RZT and well-watered) and suboptimal (10°C RZT and well-watered, and 20°–26°C RZT and cyclic drought) temperatures. Graft combinations were compared with self-grafted controls for dry weights, stomatal conductance (gs), leaf parameters, osmotic adjustment, and stress tolerance index. The RP grafted onto IL rootstocks regulated gs efficiently, retained the green trait, and produced higher biomass than the self-grafted RP. The IL rootstocks improved tolerance of the scion to drought and low RZT. Potential of IL rootstocks for improving tomato production under stressed conditions is discussed.
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Claims 5
Claim · model-written summary
RP grafted onto IL rootstocks regulated stomatal conductance efficiently relative to self-grafted RP.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- RP grafted onto IL rootstockse0
- Outcome
- gse0
- Comparator
- self-grafted RPe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The RP grafted onto IL rootstocks regulated gs efficiently, retained the green trait, and produced higher biomass than the self-grafted RP”
t0“Grafting tomato”
Claim · model-written summary
RP grafted onto IL rootstocks retained the green trait relative to self-grafted RP.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- RP grafted onto IL rootstockse0
- Outcome
- green traite0
- Comparator
- self-grafted RPe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The RP grafted onto IL rootstocks regulated gs efficiently, retained the green trait, and produced higher biomass than the self-grafted RP”
t0“Grafting tomato”
Claim · model-written summary
RP grafted onto IL rootstocks produced higher biomass than self-grafted RP.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- RP grafted onto IL rootstockse0
- Outcome
- biomasse0
- Direction
- highere0
- Comparator
- self-grafted RPe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The RP grafted onto IL rootstocks regulated gs efficiently, retained the green trait, and produced higher biomass than the self-grafted RP”
t0“Grafting tomato”
Claim · model-written summary
IL rootstocks improved tomato scion drought tolerance.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- IL rootstockse0
- Outcome
- tolerance of the scion to droughte0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The IL rootstocks improved tolerance of the scion to drought and low RZT”
t0“Grafting tomato”
Claim · model-written summary
IL rootstocks improved tomato scion tolerance to low root-zone temperature.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- IL rootstockse0
- Outcome
- tolerance of the scion to drought and low RZTe0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The IL rootstocks improved tolerance of the scion to drought and low RZT”
t0“Grafting tomato”
The same questions in other papers
grafting · disease · Solanum lycopersicum (tomato)Positive and negative results
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- negative
- negative
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3 papers in the same direction as this paper
- positive
- positive
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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.