Abstract
Summary The in vitro response of the apple rootstocks M 9 and MM 106 to increasing concentrations of sucrose (44, 88 and 176 mM) and sorbitol (82, 164 and 329 mM) of the culture medium was evaluated. Sucrose at 88 mM in the MS medium was the optimal concentration for the proliferation of shoots of both rootstocks compared to 44 and 176 mM sucrose. By increasing the sucrose concentration of the medium, shoot length of MM 106 plants increased. However, the effect of the tested sucrose concentrations on the shoot length of M 9 plants was not apparent. The in vitro cultures of M 9 shoots produced the greatest number of shoots and the longest shoots per explant with 164 mM sorbitol in the medium compared to 82 and 329 mM sorbitol, and to all the sucrose concentrations tested. However, the in vitro cultures of MM 106 produced the highest fresh weight per explant, the greatest number of new shoots and the longest shoots per explant with 329 mM sorbitol in the medium compared to all other treatments, indicating a genotypic effect. Mineral concentration in plants was also a function of genotype, carbohydrate source and its concentration in the medium. Explants of both rootstocks treated with sorbitol showed the highest peroxidase and catalase activities in leaves and stems. Although no differences were found between the electrophoretic profiles of catalase, the presence of sucrose and sorbitol in the MS medium remarkably influenced the population of peroxidase isoenzymes in leaves and stems of both rootstocks.
Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 9
Claim · model-written summary
88 mM sucrose optimised shoot proliferation in both rootstocks versus 44 and 176 mM.
- Taxon
- apple
Malus domesticat0 - Organ / stage
- shootse0
- Treatment
- Sucrose at 88 mMe0
- Outcome
- proliferation of shootse0
- Direction
- optimale0
- Comparator
- 44 and 176 mM sucrosee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sucrose at 88 mM in the MS medium was the optimal concentration for the proliferation of shoots of both rootstocks compared to 44 and 176 mM sucrose.”
t0“apple ( Malus domestica Borkh.)”
Claim · model-written summary
Increasing medium sucrose raised shoot length in MM 106.
- Taxon
- appleMalus domesticat0
- Material
- MM 106e0
- Treatment
- sucrose concentratione0
- Outcome
- shoot lengthe0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“By increasing the sucrose concentration of the medium, shoot length of MM 106 plants increased.”
t0“apple ( Malus domestica Borkh.)”
Claim · model-written summary
Sucrose concentrations had no apparent effect on M 9 shoot length.
- Taxon
- appleMalus domesticat0
- Material
- M 9e0
- Treatment
- tested sucrose concentrationse0
- Outcome
- shoot lengthe0
- Direction
- not apparente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the effect of the tested sucrose concentrations on the shoot length of M 9 plants was not apparent.”
t0“apple ( Malus domestica Borkh.)”
Claim · model-written summary
164 mM sorbitol produced the most and longest shoots per M 9 explant versus other tested concentrations.
- Taxon
- appleMalus domesticat0
- Material
- M 9e0
- Treatment
- 164 mM sorbitole0
- Outcome
- number of shoots and the longest shoots per explante0
- Direction
- greateste0
- Comparator
- 82 and 329 mM sorbitol, and to all the sucrose concentrations testede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The in vitro cultures of M 9 shoots produced the greatest number of shoots and the longest shoots per explant with 164 mM sorbitol in the medium compared to 82 and 329 mM sorbitol, and to all the sucrose concentrations tested.”
t0“apple ( Malus domestica Borkh.)”
Claim · model-written summary
329 mM sorbitol maximised fresh weight, new shoot number and shoot length per MM 106 explant.
- Taxon
- appleMalus domesticat0
- Material
- MM 106e0
- Treatment
- 329 mM sorbitole0
- Outcome
- fresh weight per explant, the greatest number of new shoots and the longest shoots per explante0
- Direction
- higheste0
- Comparator
- all other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the in vitro cultures of MM 106 produced the highest fresh weight per explant, the greatest number of new shoots and the longest shoots per explant with 329 mM sorbitol in the medium compared to all other treatments”
t0“apple ( Malus domestica Borkh.)”
Claim · model-written summary
Plant mineral concentrations depended on genotype, carbohydrate source and concentration.
- Taxon
- appleMalus domesticat0
- Material
- genotypee0
- Outcome
- Mineral concentratione0
- Qualifier
- carbohydrate source and its concentratione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mineral concentration in plants was also a function of genotype, carbohydrate source and its concentration in the medium.”
t0“apple ( Malus domestica Borkh.)”
Claim · model-written summary
Sorbitol-treated explants had the highest leaf and stem peroxidase and catalase activities.
- Taxon
- appleMalus domesticat0
- Organ / stage
- leaves and stemse0
- Treatment
- sorbitole0
- Outcome
- peroxidase and catalase activitiese0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Explants of both rootstocks treated with sorbitol showed the highest peroxidase and catalase activities in leaves and stems.”
t0“apple ( Malus domestica Borkh.)”
Claim · model-written summary
Catalase electrophoretic profiles did not differ.
- Taxon
- appleMalus domesticat0
- Outcome
- electrophoretic profiles of catalasee0
- Direction
- no differencese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no differences were found between the electrophoretic profiles of catalase”
t0“apple ( Malus domestica Borkh.)”
Claim · model-written summary
Sucrose and sorbitol in MS medium altered leaf and stem peroxidase isoenzyme populations.
- Taxon
- appleMalus domesticat0
- Organ / stage
- leaves and stemse0
- Treatment
- sucrose and sorbitole0
- Outcome
- population of peroxidase isoenzymese0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the presence of sucrose and sorbitol in the MS medium remarkably influenced the population of peroxidase isoenzymes in leaves and stems of both rootstocks.”
t0“apple ( Malus domestica Borkh.)”
The same questions in other papers
glucitol · growth · Malus domestica (apple)Positive and negative results
7 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
5 papers more in this group
See all 9 papers →sucrose · growth · Malus domestica (apple)Positive and negative results
3 papers in the same direction as this paper · 12 in the opposite direction
- positive
- positive
- positive
12 papers more in this group
See all 16 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.