Abstract
An experiment was carded out with increasing concentrations of Cd in soil on tomato (Lycopersicon esculentum Mill.) plants: The Cd contents of soil and in tomato roots, leaves and fruit have been determined during the growing cycle. The effect of Cd on ethylene production has been investigated by monitoring hormone biosynthesis in whole fruit during different ripening stages. Furthermore, 1- Aminocyclopropane-l-carboxylic acid (ACC) content, ACC synthase activity in vitro and Ethylene- Forming Enzyme (EFE) activity in vivo have been studied after incubation of fruit discs at different Cd concentrations. A clear relationship existed between Cd in the soil and its concentration in the leaves. Roots showed the highest Cd concentration, whereas fruit did not accumulate the element. Ethylene evolution of whole fruit was not affected by the Cd treatment. High Cd concentration (80 ug mL-1) induced a slight increase of EFE activity in fruit discs.
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Claims 5
Claim · model-written summary
Soil cadmium and leaf cadmium concentration were related.
- Taxon
- tomato
Solanum lycopersicumt0 - Organ / stage
- leavese0
- Compound
- Cde0
- Outcome
- its concentration in the leavese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A clear relationship existed between Cd in the soil and its concentration in the leaves.”
t0“TOMATO”
Claim · model-written summary
Roots had the highest cadmium concentration.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- Rootse0
- Outcome
- Cd concentratione0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Roots showed the highest Cd concentration”
t0“TOMATO”
Claim · model-written summary
Fruit did not accumulate cadmium.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- fruite0
- Outcome
- fruit did not accumulate the elemente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fruit did not accumulate the element.”
t0“TOMATO”
Claim · model-written summary
Cadmium treatment did not affect whole-fruit ethylene evolution.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- whole fruite0
- Treatment
- Cd treatmente0
- Outcome
- Ethylene evolutione0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ethylene evolution of whole fruit was not affected by the Cd treatment.”
t0“TOMATO”
Claim · model-written summary
High cadmium concentration slightly increased EFE activity in fruit discs.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- fruit discse0
- Treatment
- High Cd concentration (80 ug mL-1)e0
- Gene
- EFEe0
- Outcome
- EFE activitye0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High Cd concentration (80 ug mL-1) induced a slight increase of EFE activity in fruit discs.”
t0“TOMATO”
The same questions in other papers
cadmium atom · physiology: hormones · Solanum lycopersicum (tomato)Results differ
1 paper in the same direction as this paper
- negative
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.