Abstract
Abstract ‘Nemaguard’ peach seedlings [Prunus persica (L.) Batsch] were grown for 21 days in nutrient solution cultures containing a range (0 to 3.4 μM) of paclobutrazol concentrations. Shoot growth rate and total extension growth were reduced by all paclobutrazol treatments. Within 2 days of treatment, paclobutrazol at 3.4 μM significantly reduced the growth rate, as did the 3.4 × 10 −2 μM concentrations after 5 days. Increases in paclobutrazol concentrations decreased leaf area and leaf, stem, and shoot weights. However, specific leaf weight increased as paclobutrazol concentration increased. Leaf expansion was more sensitive to paclobutrazol treatments than stem elongation. As paclobutrazol concentration increased, root extension growth was reduced, but roots were thicker and produced more laterals near the tip. Compared with the control, paclobutrazol at 3.4 × 10 −1 and 3.4 × 10 −2 μM significantly increased the root: shoot ratio. Chemical name used: β-[(4-chIorophenyl)methyl]-α-(1,1-dimethylethyl)-1 H- 1,2,4-triazole-1-ethanol (paclobutrazol).
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Claims 10
Claim · model-written summary
All paclobutrazol treatments reduced shoot growth rate and total extension growth.
- Taxon
- Peach
Prunus persicat0 - Material
- Nemaguarde1
- Treatment
- paclobutrazol treatmentse0
- Outcome
- Shoot growth rate and total extension growthe0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Shoot growth rate and total extension growth were reduced by all paclobutrazol treatments.”
e1“‘Nemaguard’ peach seedlings [Prunus persica (L.) Batsch]”
t0“Peach Seedling”
Claim · model-written summary
Paclobutrazol at 3.4 μM significantly reduced growth rate within two days.
- Taxon
- PeachPrunus persicat0
- Treatment
- paclobutrazol at 3.4 μMe0
- Outcome
- growth ratee0
- Direction
- reducede0
- Qualifier
- Within 2 days of treatmente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Within 2 days of treatment, paclobutrazol at 3.4 μM significantly reduced the growth rate”
t0“Peach Seedling”
Claim · model-written summary
Paclobutrazol at 3.4 × 10 −2 μM significantly reduced growth rate after five days.
- Taxon
- PeachPrunus persicat0
- Treatment
- 3.4 × 10 −2 μM concentrationse0
- Outcome
- growth ratee1
- Direction
- decreaseinferrede0
- Qualifier
- after 5 dayse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“as did the 3.4 × 10 −2 μM concentrations after 5 days.”
e1“Within 2 days of treatment, paclobutrazol at 3.4 μM significantly reduced the growth rate”
t0“Peach Seedling”
Claim · model-written summary
Increasing paclobutrazol concentration decreased leaf area and leaf, stem, and shoot weights.
- Taxon
- PeachPrunus persicat0
- Treatment
- paclobutrazol concentrationse0
- Outcome
- leaf area and leaf, stem, and shoot weightse0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increases in paclobutrazol concentrations decreased leaf area and leaf, stem, and shoot weights.”
t0“Peach Seedling”
Claim · model-written summary
Specific leaf weight increased with paclobutrazol concentration.
- Taxon
- PeachPrunus persicat0
- Treatment
- paclobutrazol concentratione0
- Outcome
- specific leaf weighte0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“specific leaf weight increased as paclobutrazol concentration increased.”
t0“Peach Seedling”
Claim · model-written summary
Leaf expansion was more sensitive than stem elongation to paclobutrazol.
- Taxon
- PeachPrunus persicat0
- Treatment
- paclobutrazol treatmentse0
- Outcome
- Leaf expansione0
- Direction
- more sensitivee0
- Comparator
- stem elongatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf expansion was more sensitive to paclobutrazol treatments than stem elongation.”
t0“Peach Seedling”
Claim · model-written summary
Root extension growth decreased with increasing paclobutrazol concentration.
- Taxon
- PeachPrunus persicat0
- Treatment
- paclobutrazol concentratione0
- Outcome
- root extension growthe0
- Direction
- reducede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“As paclobutrazol concentration increased, root extension growth was reduced”
t0“Peach Seedling”
Claim · model-written summary
Roots became thicker and produced more laterals near the tip with increasing paclobutrazol.
- Taxon
- PeachPrunus persicat0
- Treatment
- paclobutrazol concentratione0
- Outcome
- roots were thicker and produced more laterals near the tipe0
- Direction
- moree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“As paclobutrazol concentration increased, root extension growth was reduced, but roots were thicker and produced more laterals near the tip.”
t0“Peach Seedling”
Claim · model-written summary
Paclobutrazol at 3.4 × 10 −1 μM significantly increased the root: shoot ratio versus control.
- Taxon
- PeachPrunus persicat0
- Treatment
- paclobutrazol at 3.4 × 10 −1e0
- Outcome
- root: shoot ratioe0
- Direction
- increasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with the control, paclobutrazol at 3.4 × 10 −1 and 3.4 × 10 −2 μM significantly increased the root: shoot ratio.”
t0“Peach Seedling”
Claim · model-written summary
Paclobutrazol at 3.4 × 10 −2 μM significantly increased the root: shoot ratio versus control.
- Taxon
- PeachPrunus persicat0
- Treatment
- 3.4 × 10 −2 μMe0
- Outcome
- root: shoot ratioe0
- Direction
- increasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with the control, paclobutrazol at 3.4 × 10 −1 and 3.4 × 10 −2 μM significantly increased the root: shoot ratio.”
t0“Peach Seedling”
The same questions in other papers
paclobutrazol · growth · Prunus persica (peach)Results differ
9 papers in the same direction as this paper · 11 in the opposite direction
- positive
- negative
- negative
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See all 21 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.