Abstract
We investigated the role of ethylene on adventitious rooting of `Gala' (easy-to-root) and `Triple Red Delicious' (difficult-to-root) apple ( Malus domestica Borkh.) microcuttings. Root count increased significantly as IBA level increased, with highest root counts on `Gala'. Ethylene evolution increased significantly with IBA level without significant differences between cultivars. Basal section removal of microcuttings in the area of root origin reduced root count without changing ethylene evolution. Ethylene treatment of proliferated shoots before microcutting excision failed to enhance rooting. IBA-induced ethylene evolution was eliminated nearly by AVG, but root count remained IBA dependent. ACC reversed IBA plus AVG rooting inhibition, but ACC alone failed to influence root count. Polar auxin transport inhibitors NPA and TIBA stimulated ethylene evolution without increasing root count. Adventitious rooting of apple microcuttings was not associated with ethylene. Chemical names used: 1- H -indole-3-butyric acid (IBA); aminoethoxyvinylglycine (AVG); 1-aminocyclopropane-1-carboxylic acid (ACC); 2,3,5-triiodobenzoic acid (TIBA); N -1-naphthylphthalamic acid (NPA).
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Claims 12
Claim · model-written summary
Root count increased significantly as IBA level increased, with highest root counts on `Gala'.
- Taxon
- apple
Malus domesticat0 - Treatment
- IBA levele0
- Outcome
- root counte0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root count increased significantly as IBA level increased, with highest root counts on `Gala'.”
t0“Apple”
Claim · model-written summary
Ethylene evolution increased significantly with IBA level without significant differences between cultivars.
- Taxon
- appleMalus domesticat0
- Treatment
- IBA levele0
- Outcome
- Ethylene evolutione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ethylene evolution increased significantly with IBA level without significant differences between cultivars.”
t0“Apple”
Claim · model-written summary
Basal section removal of microcuttings in the area of root origin reduced root count without changing ethylene evolution.
- Taxon
- appleMalus domesticat0
- Treatment
- Basal section removale0
- Outcome
- root counte0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Basal section removal of microcuttings in the area of root origin reduced root count without changing ethylene evolution.”
t0“Apple”
Claim · model-written summary
Basal section removal of microcuttings in the area of root origin reduced root count without changing ethylene evolution.
- Taxon
- appleMalus domesticat0
- Treatment
- Basal section removale0
- Outcome
- ethylene evolutione0
- Direction
- without changinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Basal section removal of microcuttings in the area of root origin reduced root count without changing ethylene evolution.”
t0“Apple”
Claim · model-written summary
Ethylene treatment of proliferated shoots before microcutting excision failed to enhance rooting.
- Taxon
- appleMalus domesticat0
- Treatment
- Ethylene treatmente0
- Outcome
- rootinge0
- Direction
- failed to enhancee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ethylene treatment of proliferated shoots before microcutting excision failed to enhance rooting.”
t0“Apple”
Claim · model-written summary
IBA-induced ethylene evolution was eliminated nearly by AVG, but root count remained IBA dependent.
- Taxon
- appleMalus domesticat0
- Treatment
- AVGe0
- Outcome
- IBA-induced ethylene evolutione0
- Direction
- eliminatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“IBA-induced ethylene evolution was eliminated nearly by AVG, but root count remained IBA dependent.”
t0“Apple”
Claim · model-written summary
IBA-induced ethylene evolution was eliminated nearly by AVG, but root count remained IBA dependent.
- Taxon
- appleMalus domesticat0
- Treatment
- AVGe0
- Outcome
- root counte0
- Direction
- remained IBA dependente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“IBA-induced ethylene evolution was eliminated nearly by AVG, but root count remained IBA dependent.”
t0“Apple”
Claim · model-written summary
ACC reversed IBA plus AVG rooting inhibition, but ACC alone failed to influence root count.
- Taxon
- appleMalus domesticat0
- Treatment
- ACCe0
- Outcome
- rooting inhibitione0
- Direction
- reversede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ACC reversed IBA plus AVG rooting inhibition, but ACC alone failed to influence root count.”
t0“Apple”
Claim · model-written summary
ACC reversed IBA plus AVG rooting inhibition, but ACC alone failed to influence root count.
- Taxon
- appleMalus domesticat0
- Treatment
- ACC alonee0
- Outcome
- root counte0
- Direction
- failed to influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ACC reversed IBA plus AVG rooting inhibition, but ACC alone failed to influence root count.”
t0“Apple”
Claim · model-written summary
Polar auxin transport inhibitors NPA and TIBA stimulated ethylene evolution without increasing root count.
- Taxon
- appleMalus domesticat0
- Treatment
- NPA and TIBAe0
- Outcome
- ethylene evolutione0
- Direction
- stimulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Polar auxin transport inhibitors NPA and TIBA stimulated ethylene evolution without increasing root count.”
t0“Apple”
Claim · model-written summary
Polar auxin transport inhibitors NPA and TIBA stimulated ethylene evolution without increasing root count.
- Taxon
- appleMalus domesticat0
- Treatment
- NPA and TIBAe0
- Outcome
- root counte0
- Direction
- without increasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Polar auxin transport inhibitors NPA and TIBA stimulated ethylene evolution without increasing root count.”
t0“Apple”
Claim · model-written summary
Apple microcutting rooting was not associated with ethylene.
- Taxon
- appleMalus domesticae0
- Compound
- ethylenee0
- Outcome
- Adventitious rootinge0
- Direction
- not associatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Adventitious rooting of apple microcuttings was not associated with ethylene.”
The same questions in other papers
ethene · growth · Malus domestica (apple)Positive and negative results
1 paper in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- 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.