Paper · 2000 · Acta agriculturae Slovenica

Comparison of the most frequently used apple thinning compounds for the thinning of 'Jonagold', 'Elstar' and 'Golden Delicious' apples

Matej STOPAR

9
claims
18
verbatim quotes
6
citations
3
research areas
✓
Open access · cc-by

Abstract

Three-year apple thinning experiments were conducted on mature 'Jonagold'/M9, 'Elstar'/M9 and 'Golden Delicious'/M9 apple trees. The consistency of thinning was investigated after the application of carbaryl, 1-naphthaleneacetic acid (NAA), naphthaleneacetamide (NAAm), 6-benzyladenine (BA), ethephon and photosynthesis inhibitor terbacil. Over three years, carbaryl (800 ppm) had a good thinning effect and promoted a nice return bloom for all cultivars. Terbacil (50 ppm) and NAA (15 ppm) application had a variable influence on thinning and on return bloom in all cultivars over three years. NAAm (50 ppm) had a weak thinning effect on the average. All cultivars were thinned nicely with BA (50 ppm) spraying, except for 'Jonagold' and 'Elstar' trees in 1996. BA had no consistent effect on return bloom. In the case of spraying with ethephon (300 ppm), fruit growth did not follow the thinning effect adequately, but the promotion of return bloom was mostly enhanced.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗

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Claims 9

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

carbaryl produced good thinning effect.

Treatment
carbaryle0
Outcome
thinning effecte0
Direction
goode0

Not reportedComparator

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e0

“carbaryl (800 ppm) had a good thinning effect and promoted a nice return bloom for all cultivars”

✓ located verbatim in the source · abstract, characters 358–454 · show in text ↑
t0

“apple thinning compounds”

✓ located verbatim in the source · title, characters 39–63 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

carbaryl produced promoted return bloom.

Treatment
carbaryle0
Outcome
return bloome0
Direction
promotede0

Not reportedComparator

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e0

“carbaryl (800 ppm) had a good thinning effect and promoted a nice return bloom for all cultivars”

✓ located verbatim in the source · abstract, characters 358–454 · show in text ↑
t0

“apple thinning compounds”

✓ located verbatim in the source · title, characters 39–63 · show in text ↑
Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Terbacil produced variable thinning and on return bloom.

Treatment
Terbacile0
Outcome
thinning and on return bloome0
Direction
variablee0

Not reportedComparator

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e0

“Terbacil (50 ppm) and NAA (15 ppm) application had a variable influence on thinning and on return bloom in all cultivars over three years”

✓ located verbatim in the source · abstract, characters 456–593 · show in text ↑
t0

“apple thinning compounds”

✓ located verbatim in the source · title, characters 39–63 · show in text ↑
Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

NAA produced variable thinning and on return bloom.

Treatment
NAAe0
Outcome
thinning and on return bloome0
Direction
variablee0

Not reportedComparator

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e0

“Terbacil (50 ppm) and NAA (15 ppm) application had a variable influence on thinning and on return bloom in all cultivars over three years”

✓ located verbatim in the source · abstract, characters 456–593 · show in text ↑
t0

“apple thinning compounds”

✓ located verbatim in the source · title, characters 39–63 · show in text ↑
Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

NAAm produced weak thinning effect.

Treatment
NAAme0
Outcome
thinning effecte0
Direction
weake0

Not reportedComparator

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e0

“NAAm (50 ppm) had a weak thinning effect on the average”

✓ located verbatim in the source · abstract, characters 595–650 · show in text ↑
t0

“apple thinning compounds”

✓ located verbatim in the source · title, characters 39–63 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

BA produced nicely thinned.

Treatment
BAe0
Outcome
thinnede0
Direction
nicelye0

Not reportedComparator

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e0

“All cultivars were thinned nicely with BA (50 ppm) spraying, except for 'Jonagold' and 'Elstar' trees in 1996”

✓ located verbatim in the source · abstract, characters 652–761 · show in text ↑
t0

“apple thinning compounds”

✓ located verbatim in the source · title, characters 39–63 · show in text ↑
Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

BA produced no consistent effect return bloom.

Treatment
BAe0
Outcome
return bloome0
Direction
no consistent effecte0

Not reportedComparator

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e0

“BA had no consistent effect on return bloom”

✓ located verbatim in the source · abstract, characters 763–806 · show in text ↑
t0

“apple thinning compounds”

✓ located verbatim in the source · title, characters 39–63 · show in text ↑
Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

ethephon produced did not follow fruit growth.

Treatment
ethephone0
Outcome
fruit growthe0
Direction
did not followe0

Not reportedComparator

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e0

“In the case of spraying with ethephon (300 ppm), fruit growth did not follow the thinning effect adequately, but the promotion of return bloom was mostly enhanced”

✓ located verbatim in the source · abstract, characters 808–970 · show in text ↑
t0

“apple thinning compounds”

✓ located verbatim in the source · title, characters 39–63 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

ethephon produced enhanced return bloom.

Treatment
ethephone0
Outcome
return bloome0
Direction
enhancede0

Not reportedComparator

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e0

“In the case of spraying with ethephon (300 ppm), fruit growth did not follow the thinning effect adequately, but the promotion of return bloom was mostly enhanced”

✓ located verbatim in the source · abstract, characters 808–970 · show in text ↑
t0

“apple thinning compounds”

✓ located verbatim in the source · title, characters 39–63 · show in text ↑

carbaryl · yield · Malus domestica (apple)Results differ

42 papers: 32 positive, 10 negative or no effect

31 papers in the same direction as this paper · 9 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. no effect
  3. negative

38 papers more in this group

See all 42 papers →

(2-chloroethyl)phosphonic acid · yield · Malus domestica (apple)Results differ

73 papers: 44 positive, 29 negative or no effect

43 papers in the same direction as this paper · 29 in the opposite direction

  1. negative
  2. no effect
  3. no effect

69 papers more in this group

See all 73 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.