Abstract
One-year-old rooted cuttings of `Nemaguard' peach [ Prunus persica (L.) Batsch.] were irrigated with 0, 1000, or 2000 mg·L -1 salts under greenhouse conditions to study the effect of foliar paclobutrazol (PBZ) application on salt stress response. Salinity reduced growth of nontreated plants by ≈60%, but only by ≈30% for PBZ-treated plants. PBZ-treated plants also had less defoliation and fewer leaves per plant showing salt stress symptoms, and had higher rates of leaf gas exchange than nontreated plants. PBZ application generally reduced Na + and Cl - contents in leaves, roots, and stems, regardless of salt treatment. Furthermore, total Na + per plant in PBZ-treated plants was about half that found in nontreated plants, although total Cl - per plant was reduced by PBZ in only one of two salt treatments. The data suggested that PBZ promoted salt stress avoidance in peach by reducing the uptake and accumulation of harmful Na + and Cl - ions in plant tissues.
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Claims 8
Claim · model-written summary
Foliar paclobutrazol reduced the salinity-induced growth loss of peach to about 30%, compared with about 60% in nontreated plants.
- Taxon
- Peach
Prunus persicat0 - Treatment
- foliar paclobutrazol (PBZ) applicatione0
- Outcome
- growthe1
- Direction
- reducede1
- Value
- ≈30%e1
- Comparator
- nontreated plantse1
- Setting
- greenhouse conditionse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Paclobutrazol Reduces Some Negative Effects of Salt Stress in Peach”
e0“to study the effect of foliar paclobutrazol (PBZ) application on salt stress response”
e2“irrigated with 0, 1000, or 2000 mg·L -1 salts under greenhouse conditions”
e1“Salinity reduced growth of nontreated plants by ≈60%, but only by ≈30% for PBZ-treated plants”
Claim · model-written summary
PBZ-treated peach plants had less defoliation than nontreated plants under salt stress.
- Taxon
- PeachPrunus persicat0
- Treatment
- PBZe2
- Outcome
- defoliatione2
- Direction
- lesse2
- Comparator
- nontreated plantse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Paclobutrazol Reduces Some Negative Effects of Salt Stress in Peach”
e2“PBZ-treated plants also had less defoliation and fewer leaves per plant showing salt stress symptoms, and had higher rates of leaf gas exchange than nontreated plants”
Claim · model-written summary
PBZ-treated peach plants had fewer leaves per plant showing salt stress symptoms than nontreated plants.
- Taxon
- PeachPrunus persicat0
- Treatment
- PBZe2
- Outcome
- leaves per plant showing salt stress symptomse2
- Direction
- fewere2
- Comparator
- nontreated plantse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Paclobutrazol Reduces Some Negative Effects of Salt Stress in Peach”
e2“PBZ-treated plants also had less defoliation and fewer leaves per plant showing salt stress symptoms, and had higher rates of leaf gas exchange than nontreated plants”
Claim · model-written summary
PBZ-treated peach plants had higher rates of leaf gas exchange than nontreated plants.
- Taxon
- PeachPrunus persicat0
- Treatment
- PBZe2
- Outcome
- rates of leaf gas exchangee2
- Direction
- highere2
- Comparator
- nontreated plantse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Paclobutrazol Reduces Some Negative Effects of Salt Stress in Peach”
e2“PBZ-treated plants also had less defoliation and fewer leaves per plant showing salt stress symptoms, and had higher rates of leaf gas exchange than nontreated plants”
Claim · model-written summary
PBZ generally reduced Na+ and Cl- contents in peach leaves, roots and stems regardless of salt treatment.
- Taxon
- PeachPrunus persicat0
- Organ / stage
- leaves, roots, and stemse3
- Treatment
- PBZe3
- Outcome
- Na + and Cl - contentse3
- Direction
- reducede3
- Qualifier
- regardless of salt treatmente3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Paclobutrazol Reduces Some Negative Effects of Salt Stress in Peach”
e3“PBZ application generally reduced Na + and Cl - contents in leaves, roots, and stems, regardless of salt treatment”
Claim · model-written summary
Total Na+ per peach plant in PBZ-treated plants was about half that of nontreated plants.
- Taxon
- PeachPrunus persicat0
- Treatment
- PBZe4
- Outcome
- total Na + per plante4
- Direction
- lowerinferrede4
- Value
- about halfe4
- Comparator
- nontreated plantse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Paclobutrazol Reduces Some Negative Effects of Salt Stress in Peach”
e4“Furthermore, total Na + per plant in PBZ-treated plants was about half that found in nontreated plants, although total Cl - per plant was reduced by PBZ in only one of two salt treatments”
Claim · model-written summary
PBZ reduced total Cl- per peach plant in only one of two salt treatments.
- Taxon
- PeachPrunus persicat0
- Treatment
- PBZe4
- Outcome
- total Cl - per plante4
- Direction
- reducede4
- Qualifier
- in only one of two salt treatmentse4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Paclobutrazol Reduces Some Negative Effects of Salt Stress in Peach”
e4“Furthermore, total Na + per plant in PBZ-treated plants was about half that found in nontreated plants, although total Cl - per plant was reduced by PBZ in only one of two salt treatments”
Claim · model-written summary
PBZ suggestedly promotes salt stress avoidance in peach by reducing uptake and accumulation of Na+ and Cl- ions.
- Taxon
- peachPrunus persicae5
- Treatment
- PBZe5
- Outcome
- salt stress avoidancee5
- Qualifier
- by reducing the uptake and accumulation of harmful Na + and Cl - ionse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Paclobutrazol Reduces Some Negative Effects of Salt Stress in Peach”
e5“The data suggested that PBZ promoted salt stress avoidance in peach by reducing the uptake and accumulation of harmful Na + and Cl - ions in plant tissues”
The same questions in other papers
paclobutrazol · growth · Prunus persica (peach)Results differ
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- negative
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See all 21 papers →application · growth · Prunus persica (peach)Positive and negative results
25 papers in the same direction as this paper · 9 in the opposite direction
- negative
- negative
- no effect
31 papers more in this group
See all 35 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.