Paper · 2015 · Adelaide Research & Scholarship (AR&S) (University of Adelaide)

Early leaf removal increases flower abscission in Vitis vinifera ‘Semillon’

Lohitnavy, N.; Bastian, S.; Collins, C.

6
claims
15
verbatim quotes
21
citations
3
research areas
✓
Open access

Abstract

Leaf removal was applied to Semillon vines in two different vineyards at different growth stages. Percentage fruit set and yield were reduced by leaf removal treatments. The magnitude of the reduction in yield was due to a decrease in bunch weight which was largely due to an increase in flower abscission and possibly the proportion of seedless berries and LGOs. The greatest reduction in yield was achieved when leaf removal was applied before and at the start of flowering.

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Claims 6

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Leaf removal reduced fruit set in Semillon vines.

Taxon
Vitis viniferaVitis viniferat0
Material
Semillont0
Treatment
leaf removal treatmentse0
Outcome
Percentage fruit sete0
Direction
reducede0

Not reportedComparator

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

Vitis vinifera
Vitis vinifera · TaxonDarijanus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Percentage fruit set and yield were reduced by leaf removal treatments”

✓ located verbatim in the source · abstract, characters 98–168 · show in text ↑
t0

“Vitis vinifera ‘Semillon’”

✓ located verbatim in the source · title, characters 50–75 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Leaf removal reduced yield in Semillon vines.

Taxon
Vitis viniferaVitis viniferat0
Material
Semillont0
Treatment
leaf removal treatmentse0
Outcome
yielde0
Direction
reducede0

Not reportedComparator

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

Vitis vinifera
Vitis vinifera · TaxonDarijanus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Percentage fruit set and yield were reduced by leaf removal treatments”

✓ located verbatim in the source · abstract, characters 98–168 · show in text ↑
t0

“Vitis vinifera ‘Semillon’”

✓ located verbatim in the source · title, characters 50–75 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Leaf removal decreased bunch weight in Semillon vines.

Taxon
Vitis viniferaVitis viniferat0
Material
Semillont0
Treatment
leaf removal treatmentse1
Outcome
bunch weighte0
Direction
decreasee0

Not reportedComparator

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

Vitis vinifera
Vitis vinifera · TaxonDarijanus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“a decrease in bunch weight”

✓ located verbatim in the source · abstract, characters 221–247 · show in text ↑
e1

“leaf removal treatments”

✓ located verbatim in the source · abstract, characters 145–168 · show in text ↑
t0

“Vitis vinifera ‘Semillon’”

✓ located verbatim in the source · title, characters 50–75 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Leaf removal increased flower abscission in Semillon vines.

Taxon
Vitis viniferaVitis viniferat0
Material
Semillont0
Treatment
leaf removal treatmentse1
Outcome
flower abscissione0
Direction
increasee0

Not reportedComparator

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

Vitis vinifera
Vitis vinifera · TaxonDarijanus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“an increase in flower abscission”

✓ located verbatim in the source · abstract, characters 273–305 · show in text ↑
e1

“leaf removal treatments”

✓ located verbatim in the source · abstract, characters 145–168 · show in text ↑
t0

“Vitis vinifera ‘Semillon’”

✓ located verbatim in the source · title, characters 50–75 · show in text ↑
Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The proportion of seedless berries and LGOs may have contributed to reduced bunch weight.

Taxon
Vitis viniferaVitis viniferat0
Material
Semillont0
Outcome
bunch weighte1
Qualifier
possibly the proportion of seedless berries and LGOse0

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

Vitis vinifera
Vitis vinifera · TaxonDarijanus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“possibly the proportion of seedless berries and LGOs”

✓ located verbatim in the source · abstract, characters 310–362 · show in text ↑
e1

“a decrease in bunch weight”

✓ located verbatim in the source · abstract, characters 221–247 · show in text ↑
t0

“Vitis vinifera ‘Semillon’”

✓ located verbatim in the source · title, characters 50–75 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Leaf removal before and at the start of flowering produced the greatest yield reduction.

Taxon
Vitis viniferaVitis viniferat0
Material
Semillont0
Treatment
leaf removal was applied before and at the start of floweringe0
Outcome
yielde0
Direction
greatest reductione0

Not reportedComparator

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

Vitis vinifera
Vitis vinifera · TaxonDarijanus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The greatest reduction in yield was achieved when leaf removal was applied before and at the start of flowering”

✓ located verbatim in the source · abstract, characters 364–475 · show in text ↑
t0

“Vitis vinifera ‘Semillon’”

✓ located verbatim in the source · title, characters 50–75 · show in text ↑

stage · yield · Vitis vinifera (wine grape)Positive and negative results

6 papers: 1 positive, 5 negative or no effect

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

  1. positive
  2. no effect
  3. negative

2 papers more in this group

See all 6 papers →

pruning · yield · Vitis vinifera (wine grape)Positive and negative results

95 papers: 41 positive, 54 negative or no effect

53 papers in the same direction as this paper · 41 in the opposite direction

  1. positive
  2. positive
  3. positive

91 papers more in this group

See all 95 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.