Paper · 2025 · "The environment - research, charge, administration" International young people scientific conference

Effect of 6-BA and 6-BA+GA (4+7) on feathering of sweet cherry 'knip' nursery trees

Vukićević, Ksenija; Milivojević, Jasminka; Oparnica, Čedo; et al.

9
claims
23
verbatim quotes
0
citations
2
research areas
✓
Open access · other-oa

Abstract

Three sweet cherry cultivars (Sunburst, Kordia and Regina) grafted onto the seedling rootstock Prunus mahaleb were used to study the effects of cytokinin (6-BA) and a mixture of cytokinin (6-BA) and gibberellin (6-BA+GA 4+7 ) on the improvement of branching of 'knip' nursery trees. The plant growth regulators were applied to the upper third of the nursery trees three times in June at concentrations of 0, 500, 1,000 and 1,500, using 5 ml of solution per tree per treatment. At the end of the vegetation period, the trunk cross-sectional area (TCSA), the height of the tree and the number and quality of lateral branches were measured and evaluated. In Kordia and Regina varieties, the application of plant growth regulators (PGR) had no effect on the diameter, height and average length of the feathers of the nursery trees. However, 6-BA at a concentration of 1,500 mg l -1 and 6-BA+GA 4+7 at concentrations of 1,000 and 1,500 mg l -1 significantly increased the total length of all feathers, their total number and the number of feathers longer than 30 compared to the untreated treatment. In Sunburst variety, all treatments applied increased the total number and the number of feathers longer than 30 compared to the untreated treatment, with both values being highest in the 6-BA 1,000 and 1,500 mg l -1 treatments. These treatments also significantly increased the total length of all feathers compared to the control treatment.

Abstract from the paper’s OpenAlex record; open copy licensed other-oa. 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

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

PGR did not affect diameter, height, or average feather length in Kordia.

Taxon
sweet cherryPrunus aviumt0
Material
Kordiae0
Treatment
plant growth regulators (PGR)e0
Outcome
diameter, height and average length of the featherse0
Direction
no effecte0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Prunus avium
Prunus avium · TaxonMPF · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e0

“In Kordia and Regina varieties, the application of plant growth regulators (PGR) had no effect on the diameter, height and average length of the feathers of the nursery trees.”

✓ located verbatim in the source · abstract, characters 652–827 · show in text ↑
t0

“sweet cherry”

✓ located verbatim in the source · title, characters 50–62 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

PGR did not affect diameter, height, or average feather length in Regina.

Taxon
sweet cherryPrunus aviumt0
Material
Reginae0
Treatment
plant growth regulators (PGR)e0
Outcome
diameter, height and average length of the featherse0
Direction
no effecte0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Prunus avium
Prunus avium · TaxonMPF · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e0

“In Kordia and Regina varieties, the application of plant growth regulators (PGR) had no effect on the diameter, height and average length of the feathers of the nursery trees.”

✓ located verbatim in the source · abstract, characters 652–827 · show in text ↑
t0

“sweet cherry”

✓ located verbatim in the source · title, characters 50–62 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

6-BA at a concentration of 1,500 mg l -1 increased total feather length and feather counts in Kordia.

Taxon
sweet cherryPrunus aviumt0
Material
Kordiae1
Treatment
6-BA at a concentration of 1,500 mg l -1e0
Outcome
total length of all feathers, their total number and the number of feathers longer than 30e0
Direction
increasede0
Comparator
untreated treatmente0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Prunus avium
Prunus avium · TaxonMPF · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e0

“However, 6-BA at a concentration of 1,500 mg l -1 and 6-BA+GA 4+7 at concentrations of 1,000 and 1,500 mg l -1 significantly increased the total length of all feathers, their total number and the number of feathers longer than 30 compared to the untreated treatment.”

✓ located verbatim in the source · abstract, characters 828–1094 · show in text ↑
t0

“sweet cherry”

✓ located verbatim in the source · title, characters 50–62 · show in text ↑
e1

“In Kordia and Regina varieties, the application of plant growth regulators (PGR) had no effect on the diameter, height and average length of the feathers of the nursery trees.”

✓ located verbatim in the source · abstract, characters 652–827 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

6-BA+GA 4+7 at concentrations of 1,000 and 1,500 mg l -1 increased total feather length and feather counts in Kordia.

Taxon
sweet cherryPrunus aviumt0
Material
Kordiae1
Treatment
6-BA+GA 4+7 at concentrations of 1,000 and 1,500 mg l -1e0
Outcome
total length of all feathers, their total number and the number of feathers longer than 30e0
Direction
increasede0
Comparator
untreated treatmente0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Prunus avium
Prunus avium · TaxonMPF · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e0

“However, 6-BA at a concentration of 1,500 mg l -1 and 6-BA+GA 4+7 at concentrations of 1,000 and 1,500 mg l -1 significantly increased the total length of all feathers, their total number and the number of feathers longer than 30 compared to the untreated treatment.”

✓ located verbatim in the source · abstract, characters 828–1094 · show in text ↑
t0

“sweet cherry”

✓ located verbatim in the source · title, characters 50–62 · show in text ↑
e1

“In Kordia and Regina varieties, the application of plant growth regulators (PGR) had no effect on the diameter, height and average length of the feathers of the nursery trees.”

✓ located verbatim in the source · abstract, characters 652–827 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

6-BA at a concentration of 1,500 mg l -1 increased total feather length and feather counts in Regina.

Taxon
sweet cherryPrunus aviumt0
Material
Reginae1
Treatment
6-BA at a concentration of 1,500 mg l -1e0
Outcome
total length of all feathers, their total number and the number of feathers longer than 30e0
Direction
increasede0
Comparator
untreated treatmente0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Prunus avium
Prunus avium · TaxonMPF · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e0

“However, 6-BA at a concentration of 1,500 mg l -1 and 6-BA+GA 4+7 at concentrations of 1,000 and 1,500 mg l -1 significantly increased the total length of all feathers, their total number and the number of feathers longer than 30 compared to the untreated treatment.”

✓ located verbatim in the source · abstract, characters 828–1094 · show in text ↑
t0

“sweet cherry”

✓ located verbatim in the source · title, characters 50–62 · show in text ↑
e1

“In Kordia and Regina varieties, the application of plant growth regulators (PGR) had no effect on the diameter, height and average length of the feathers of the nursery trees.”

✓ located verbatim in the source · abstract, characters 652–827 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

6-BA+GA 4+7 at concentrations of 1,000 and 1,500 mg l -1 increased total feather length and feather counts in Regina.

Taxon
sweet cherryPrunus aviumt0
Material
Reginae1
Treatment
6-BA+GA 4+7 at concentrations of 1,000 and 1,500 mg l -1e0
Outcome
total length of all feathers, their total number and the number of feathers longer than 30e0
Direction
increasede0
Comparator
untreated treatmente0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Prunus avium
Prunus avium · TaxonMPF · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e0

“However, 6-BA at a concentration of 1,500 mg l -1 and 6-BA+GA 4+7 at concentrations of 1,000 and 1,500 mg l -1 significantly increased the total length of all feathers, their total number and the number of feathers longer than 30 compared to the untreated treatment.”

✓ located verbatim in the source · abstract, characters 828–1094 · show in text ↑
t0

“sweet cherry”

✓ located verbatim in the source · title, characters 50–62 · show in text ↑
e1

“In Kordia and Regina varieties, the application of plant growth regulators (PGR) had no effect on the diameter, height and average length of the feathers of the nursery trees.”

✓ located verbatim in the source · abstract, characters 652–827 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

All treatments increased feather counts in Sunburst.

Taxon
sweet cherryPrunus aviumt0
Material
Sunburste0
Treatment
all treatments appliede0
Outcome
total number and the number of feathers longer than 30e0
Direction
increasede0
Comparator
untreated treatmente0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Prunus avium
Prunus avium · TaxonMPF · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e0

“In Sunburst variety, all treatments applied increased the total number and the number of feathers longer than 30 compared to the untreated treatment, with both values being highest in the 6-BA 1,000 and 1,500 mg l -1 treatments.”

✓ located verbatim in the source · abstract, characters 1095–1323 · show in text ↑
t0

“sweet cherry”

✓ located verbatim in the source · title, characters 50–62 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The 6-BA 1,000 and 1,500 mg l -1 treatments gave the highest feather counts in Sunburst.

Taxon
sweet cherryPrunus aviumt0
Material
Sunburste0
Treatment
6-BA 1,000 and 1,500 mg l -1 treatmentse0
Outcome
both valuese0
Direction
higheste0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Prunus avium
Prunus avium · TaxonMPF · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e0

“In Sunburst variety, all treatments applied increased the total number and the number of feathers longer than 30 compared to the untreated treatment, with both values being highest in the 6-BA 1,000 and 1,500 mg l -1 treatments.”

✓ located verbatim in the source · abstract, characters 1095–1323 · show in text ↑
t0

“sweet cherry”

✓ located verbatim in the source · title, characters 50–62 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

These Sunburst treatments significantly increased total feather length.

Taxon
sweet cherryPrunus aviumt0
Material
Sunburste1
Treatment
These treatmentse0
Outcome
total length of all featherse0
Direction
increasede0
Comparator
control treatmente0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Prunus avium
Prunus avium · TaxonMPF · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e0

“These treatments also significantly increased the total length of all feathers compared to the control treatment.”

✓ located verbatim in the source · abstract, characters 1324–1437 · show in text ↑
t0

“sweet cherry”

✓ located verbatim in the source · title, characters 50–62 · show in text ↑
e1

“In Sunburst variety, all treatments applied increased the total number and the number of feathers longer than 30 compared to the untreated treatment, with both values being highest in the 6-BA 1,000 and 1,500 mg l -1 treatments.”

✓ located verbatim in the source · abstract, characters 1095–1323 · show in text ↑

class · growth · Prunus avium (sweet cherry)Positive and negative results

6 papers: 4 positive, 2 negative or no effect

1 paper in the same direction as this paper · 4 in the opposite direction

  1. positive
  2. positive
  3. positive

2 papers more in this group

See all 6 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.