Paper · 2009 · food preservation science

Effects of 'Tree Ethylene Inhibitory Factors' on Fruit Drop and Ethylene Production in Persimmons

Ningjing SUN; Akira NAKATSUKA; Naoki YAMAUCHI; et al.

13
claims
13
verbatim quotes
2
citations
2
research areas
✓
Open access

Abstract

The concept that fruits on a tree receive ethylene - inhibitory factors ('tree factors') transported from leaves has been supported by several studies. In the present study, the fruit drop and internal or endogenous ethylene synthesis in young 'Hiratanenashi' persimmons were promoted markedly by the leaf - shading or defoliation of fruit - bearing shoots, which supported the existence of 'tree ethylene - inhibitory factors'. The infiltration of a crude leaf extract (extracted in ethanol and dissolved in phosphate buffer), and three leaf - extract fractions of different polarities (hexane, ethyl acetate, and aqueous fractions, and four plant hormones (ABA, GA3, IAA, and zeatin) into fruit flesh did not inhibit endogenous ethylene production in detached young 'Hiratanenashi' persimmons, and thus the leaf extracts contained none of the expected 'tree ethylene - inhibitory factors'. Thus, some kind of physical action, for instance water supply, rather than substances in the leaves may act as one of the 'tree ethylene - inhibitory factors' in persimmons.

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Claims 13

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Leaf shading markedly promoted fruit drop in young Hiratanenashi persimmons.

Taxon
persimmonsDiospyrose0
Material
'Hiratanenashi'e0
Treatment
leaf - shadinge0
Outcome
fruit drope0
Direction
promoted markedlye0

Not reportedComparator

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

Diospyros
Diospyros · Taxon · picture from its Wikimedia Commons categoryAndrew Hankey · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“the fruit drop and internal or endogenous ethylene synthesis in young 'Hiratanenashi' persimmons were promoted markedly by the leaf - shading or defoliation of fruit - bearing shoots”

✓ located verbatim in the source · abstract, characters 174–356 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Leaf shading markedly promoted endogenous ethylene synthesis.

Taxon
persimmonsDiospyrose0
Material
'Hiratanenashi'e0
Treatment
leaf - shadinge0
Outcome
endogenous ethylene synthesise0
Direction
promoted markedlye0

Not reportedComparator

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

Diospyros
Diospyros · Taxon · picture from its Wikimedia Commons categoryAndrew Hankey · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“the fruit drop and internal or endogenous ethylene synthesis in young 'Hiratanenashi' persimmons were promoted markedly by the leaf - shading or defoliation of fruit - bearing shoots”

✓ located verbatim in the source · abstract, characters 174–356 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Defoliation markedly promoted fruit drop.

Taxon
persimmonsDiospyrose0
Material
'Hiratanenashi'e0
Treatment
defoliatione0
Outcome
fruit drope0
Direction
promoted markedlye0

Not reportedComparator

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

Diospyros
Diospyros · Taxon · picture from its Wikimedia Commons categoryAndrew Hankey · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“the fruit drop and internal or endogenous ethylene synthesis in young 'Hiratanenashi' persimmons were promoted markedly by the leaf - shading or defoliation of fruit - bearing shoots”

✓ located verbatim in the source · abstract, characters 174–356 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Defoliation markedly promoted endogenous ethylene synthesis.

Taxon
persimmonsDiospyrose0
Material
'Hiratanenashi'e0
Treatment
defoliatione0
Outcome
endogenous ethylene synthesise0
Direction
promoted markedlye0

Not reportedComparator

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

Diospyros
Diospyros · Taxon · picture from its Wikimedia Commons categoryAndrew Hankey · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“the fruit drop and internal or endogenous ethylene synthesis in young 'Hiratanenashi' persimmons were promoted markedly by the leaf - shading or defoliation of fruit - bearing shoots”

✓ located verbatim in the source · abstract, characters 174–356 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Crude leaf extract did not inhibit ethylene production in detached fruit.

Taxon
persimmonsDiospyrose0
Material
'Hiratanenashi'e0
Treatment
crude leaf extracte0
Outcome
endogenous ethylene productione0
Direction
did not inhibite0

Not reportedComparator

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

Diospyros
Diospyros · Taxon · picture from its Wikimedia Commons categoryAndrew Hankey · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The infiltration of a crude leaf extract (extracted in ethanol and dissolved in phosphate buffer), and three leaf - extract fractions of different polarities (hexane, ethyl acetate, and aqueous fractions, and four plant hormones (ABA, GA3, IAA, and zeatin) into fruit flesh did not inhibit endogenous ethylene production in detached young 'Hiratanenashi' persimmons”

✓ located verbatim in the source · abstract, characters 429–794 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Hexane fraction did not inhibit ethylene production.

Taxon
persimmonsDiospyrose0
Treatment
hexanee0
Outcome
endogenous ethylene productione0
Direction
did not inhibite0

Not reportedComparator

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

Diospyros
Diospyros · Taxon · picture from its Wikimedia Commons categoryAndrew Hankey · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“hexane, ethyl acetate, and aqueous fractions, and four plant hormones (ABA, GA3, IAA, and zeatin) into fruit flesh did not inhibit endogenous ethylene production in detached young 'Hiratanenashi' persimmons”

✓ located verbatim in the source · abstract, characters 588–794 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Ethyl acetate fraction did not inhibit ethylene production.

Taxon
persimmonsDiospyrose0
Treatment
ethyl acetatee0
Outcome
endogenous ethylene productione0
Direction
did not inhibite0

Not reportedComparator

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

Diospyros
Diospyros · Taxon · picture from its Wikimedia Commons categoryAndrew Hankey · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“hexane, ethyl acetate, and aqueous fractions, and four plant hormones (ABA, GA3, IAA, and zeatin) into fruit flesh did not inhibit endogenous ethylene production in detached young 'Hiratanenashi' persimmons”

✓ located verbatim in the source · abstract, characters 588–794 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Aqueous fraction did not inhibit ethylene production.

Taxon
persimmonsDiospyrose0
Treatment
aqueous fractionse0
Outcome
endogenous ethylene productione0
Direction
did not inhibite0

Not reportedComparator

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

Diospyros
Diospyros · Taxon · picture from its Wikimedia Commons categoryAndrew Hankey · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“hexane, ethyl acetate, and aqueous fractions, and four plant hormones (ABA, GA3, IAA, and zeatin) into fruit flesh did not inhibit endogenous ethylene production in detached young 'Hiratanenashi' persimmons”

✓ located verbatim in the source · abstract, characters 588–794 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

ABA did not inhibit ethylene production.

Taxon
persimmonsDiospyrose0
Treatment
ABAe0
Outcome
endogenous ethylene productione0
Direction
did not inhibite0

Not reportedComparator

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

Diospyros
Diospyros · Taxon · picture from its Wikimedia Commons categoryAndrew Hankey · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“four plant hormones (ABA, GA3, IAA, and zeatin) into fruit flesh did not inhibit endogenous ethylene production in detached young 'Hiratanenashi' persimmons”

✓ located verbatim in the source · abstract, characters 638–794 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

GA3 did not inhibit ethylene production.

Taxon
persimmonsDiospyrose0
Treatment
GA3e0
Outcome
endogenous ethylene productione0
Direction
did not inhibite0

Not reportedComparator

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

Diospyros
Diospyros · Taxon · picture from its Wikimedia Commons categoryAndrew Hankey · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“four plant hormones (ABA, GA3, IAA, and zeatin) into fruit flesh did not inhibit endogenous ethylene production in detached young 'Hiratanenashi' persimmons”

✓ located verbatim in the source · abstract, characters 638–794 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

IAA did not inhibit ethylene production.

Taxon
persimmonsDiospyrose0
Treatment
IAAe0
Outcome
endogenous ethylene productione0
Direction
did not inhibite0

Not reportedComparator

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

Diospyros
Diospyros · Taxon · picture from its Wikimedia Commons categoryAndrew Hankey · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“four plant hormones (ABA, GA3, IAA, and zeatin) into fruit flesh did not inhibit endogenous ethylene production in detached young 'Hiratanenashi' persimmons”

✓ located verbatim in the source · abstract, characters 638–794 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Zeatin did not inhibit ethylene production.

Taxon
persimmonsDiospyrose0
Treatment
zeatine0
Outcome
endogenous ethylene productione0
Direction
did not inhibite0

Not reportedComparator

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

Diospyros
Diospyros · Taxon · picture from its Wikimedia Commons categoryAndrew Hankey · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“four plant hormones (ABA, GA3, IAA, and zeatin) into fruit flesh did not inhibit endogenous ethylene production in detached young 'Hiratanenashi' persimmons”

✓ located verbatim in the source · abstract, characters 638–794 · show in text ↑
Mechanismhypothesisoriginal resultmeasured

Claim · model-written summary

Authors infer a physical action such as water supply may act as the tree ethylene inhibitory factor.

Taxon
persimmonsDiospyrose0
Outcome
'tree ethylene - inhibitory factors'e0
Qualifier
water supplye0

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

Diospyros
Diospyros · Taxon · picture from its Wikimedia Commons categoryAndrew Hankey · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“some kind of physical action, for instance water supply, rather than substances in the leaves may act as one of the 'tree ethylene - inhibitory factors' in persimmons.”

✓ located verbatim in the source · abstract, characters 898–1065 · show in text ↑

pruning · yield · DiospyrosPositive and negative results

6 papers: 5 positive, 1 negative or no effect

5 in the opposite direction

  1. positive
  2. positive
  3. positive

2 papers more in this group

See all 6 papers →

shade · yield · DiospyrosResults agree

2 papers: 0 positive, 2 negative or no effect

1 paper in the same direction as this paper

  1. negative
See all 2 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.