Abstract
Triadimefon, a broad spectrum fungicide and an inhibitor of gibberellic biosynthesis, whitened, thickened, and shortened the roots of bean ( Phaseolus vulgaris L. cv. Spring Green) seedlings and stimulated the development of root primordia along the hypocotyl. In a comparative study, triadimefon, IAA, spermidine, putrescine and spermine all stimulated adventitious root growth, but triadimefon was more effective than the other 4 compounds. Equimolar concentrations of gibberellic acid (GA 3 ) completely eliminated the stimulatory effect of triadimefon. Stimulation of root development by triadimefon was accompanied by inhibition of ethylene biosynthesis followed by removal of basal dominance and an increase in polyamine levels, both of which occurred after rooting had begun. Although triadimefon was effective in stimulating rooting, its mechanism of action is apparently not mediated via the control of ethylene and polyamine biosynthesis.
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Claims 13
Claim · model-written summary
Triadimefon whitened, thickened and shortened bean roots.
- Taxon
- beane0
- Organ / stage
- seedlingse0
- Treatment
- Triadimefone0
- Outcome
- rootse0
- Direction
- whitened, thickened, and shortenede0
Not reportedComparator
Verbatim
e0“Triadimefon, a broad spectrum fungicide and an inhibitor of gibberellic biosynthesis, whitened, thickened, and shortened the roots of bean ( Phaseolus vulgaris L. cv. Spring Green) seedlings”
Claim · model-written summary
Triadimefon stimulated root primordia along the hypocotyl.
- Taxon
- beant0
- Treatment
- triadimefone1
- Outcome
- development of root primordia along the hypocotyle0
- Direction
- stimulatede0
Not reportedComparator
Verbatim
e0“stimulated the development of root primordia along the hypocotyl”
t0“bean hypocotyl”
e1“Triadimefon, a broad spectrum fungicide”
Claim · model-written summary
Triadimefon stimulated adventitious root growth.
Not reportedComparator
Verbatim
e0“triadimefon, IAA, spermidine, putrescine and spermine all stimulated adventitious root growth”
t0“bean hypocotyl”
Claim · model-written summary
IAA stimulated adventitious root growth.
Not reportedComparator
Verbatim
e0“triadimefon, IAA, spermidine, putrescine and spermine all stimulated adventitious root growth”
t0“bean hypocotyl”
Claim · model-written summary
Spermidine stimulated adventitious root growth.
Not reportedComparator
Verbatim
e0“triadimefon, IAA, spermidine, putrescine and spermine all stimulated adventitious root growth”
t0“bean hypocotyl”
Claim · model-written summary
Putrescine stimulated adventitious root growth.
Not reportedComparator
Verbatim
e0“triadimefon, IAA, spermidine, putrescine and spermine all stimulated adventitious root growth”
t0“bean hypocotyl”
Claim · model-written summary
Spermine stimulated adventitious root growth.
Not reportedComparator
Verbatim
e0“triadimefon, IAA, spermidine, putrescine and spermine all stimulated adventitious root growth”
t0“bean hypocotyl”
Claim · model-written summary
Triadimefon was more effective for rooting than the four other compounds.
Verbatim
e0“triadimefon was more effective than the other 4 compounds”
t0“bean hypocotyl”
Claim · model-written summary
Equimolar gibberellic acid eliminated triadimefon rooting stimulation.
Verbatim
e0“Equimolar concentrations of gibberellic acid (GA 3 ) completely eliminated the stimulatory effect of triadimefon.”
t0“bean hypocotyl”
Claim · model-written summary
Triadimefon inhibited ethylene biosynthesis during root stimulation.
Not reportedComparator
Verbatim
e0“Stimulation of root development by triadimefon was accompanied by inhibition of ethylene biosynthesis”
t0“bean hypocotyl”
Claim · model-written summary
Triadimefon rooting was followed by removal of basal dominance.
Verbatim
e0“followed by removal of basal dominance”
t0“bean hypocotyl”
Claim · model-written summary
Polyamine levels increased after rooting began.
Verbatim
e0“an increase in polyamine levels, both of which occurred after rooting had begun”
t0“bean hypocotyl”
Claim · model-written summary
Authors infer triadimefon rooting does not operate through ethylene and polyamine biosynthesis control.
Verbatim
e0“its mechanism of action is apparently not mediated via the control of ethylene and polyamine biosynthesis”
t0“bean hypocotyl”
The same questions in other papers
indole-3-acetic acid · growth · Phaseolus vulgaris (common bean)Results differ
17 papers in the same direction as this paper · 13 in the opposite direction · 1 reporting no difference from an alternative
- negative
- negative
- negative
28 papers more in this group
See all 32 papers →triadimefon · growth · Phaseolus vulgaris (common bean)Positive and negative results
1 in the opposite direction
- negative
putrescine · growth · Phaseolus vulgaris (common bean)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
spermidine · growth · Phaseolus vulgaris (common bean)Results agree
1 paper in the same direction as this paper
- positive
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.