Paper · 2012

Nano-silver Treatments Alleviated the Harmful Effects of Exogenous Ethylene on Cut Roses

Hongmei Li

7
claims
12
verbatim quotes
0
citations
3
research areas
—
Not open access

Abstract

To study the anti-ethylene effects of nano-silve(rNS)treatments on cut-flowers rose(sRosa hybrida‘Movie Star’),the cut flowering stems(25 cm long)were pre-treated for 2 h with NS(5,10 and 30 mg · L-1)or silver thiosulfate(STS,0.5 mmol · L-1)solution with de-ioned(DI)water as control, thereafter they were immediately placed in vases containing DI water and then exposed to 10 μL · L-1 ethylene for 24 h. The changes in ornamental quality,vase life,flower diameter and fresh mass of cut roses during their vase period were investigated. The results showed that exogenous ethylene treatment caused quick wilting of flowers and leaves,early abscission of leaves and obvious inhibition in flower opening of cut roses,thus seriously affected their ornamental quality and shortened the vase life. NS treatments could significantly alleviated above harmful effects of exogenous ethylene on cut roses,the treatment with 30 mg · L-1 NS was the best among all treatments,which extended the vase life by 7 d compared with the ethylene treatment. Additionally,the similar experiments using the detached flowers from cut roses(with 5 cm stem and without leaves)further certified that NS treatments could effectively alleviate the inhibition in flower opening owing to exposure to exogenous ethylene.

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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 7

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Ethylene caused rapid wilting of cut rose flowers and leaves.

Taxon
Cut Rosest0
Treatment
exogenous ethylene treatmente0
Outcome
wilting of flowers and leavese0
Direction
quicke0

Not reportedComparator

Verbatim

e0

“exogenous ethylene treatment caused quick wilting of flowers and leaves”

✓ located verbatim in the source · abstract, characters 561–632 · show in text ↑
t0

“Cut Roses”

✓ located verbatim in the source · title, characters 79–88 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Ethylene caused early leaf abscission in cut roses.

Taxon
Cut Rosest0
Treatment
exogenous ethylene treatmente1
Outcome
abscission of leavese0
Direction
earlye0

Not reportedComparator

Verbatim

e0

“early abscission of leaves”

✓ located verbatim in the source · abstract, characters 633–659 · show in text ↑
t0

“Cut Roses”

✓ located verbatim in the source · title, characters 79–88 · show in text ↑
e1

“exogenous ethylene treatment caused quick wilting of flowers and leaves,early abscission of leaves”

✓ located verbatim in the source · abstract, characters 561–659 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Ethylene inhibited flower opening in cut roses.

Taxon
cut rosese0
Treatment
exogenous ethylene treatmente0
Outcome
flower openinge0
Direction
inhibitione0

Not reportedComparator

Verbatim

e0

“exogenous ethylene treatment caused quick wilting of flowers and leaves,early abscission of leaves and obvious inhibition in flower opening of cut roses”

✓ located verbatim in the source · abstract, characters 561–713 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Ethylene impaired ornamental quality and shortened vase life of cut roses.

Taxon
cut rosese1
Treatment
exogenous ethylene treatmente1
Outcome
ornamental quality and shortened the vase lifee0
Direction
shortenede0

Not reportedComparator

Verbatim

e0

“seriously affected their ornamental quality and shortened the vase life”

✓ located verbatim in the source · abstract, characters 719–790 · show in text ↑
e1

“exogenous ethylene treatment caused quick wilting of flowers and leaves,early abscission of leaves and obvious inhibition in flower opening of cut roses”

✓ located verbatim in the source · abstract, characters 561–713 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Nano-silver significantly alleviated ethylene injury to cut roses.

Taxon
cut rosese0
Treatment
NS treatmentse0
Outcome
harmful effects of exogenous ethylenee0
Direction
alleviatede0
Comparator
exogenous ethylenee0

Verbatim

e0

“NS treatments could significantly alleviated above harmful effects of exogenous ethylene on cut roses”

✓ located verbatim in the source · abstract, characters 792–893 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The 30 mg · L-1 nano-silver treatment extended vase life by 7 d compared with ethylene treatment and was best among treatments.

Taxon
Cut Rosest0
Treatment
30 mg · L-1 NSe0
Outcome
vase lifee0
Direction
extendede0
Value
7 de0
Comparator
the ethylene treatmente0

Verbatim

e0

“the treatment with 30 mg · L-1 NS was the best among all treatments,which extended the vase life by 7 d compared with the ethylene treatment”

✓ located verbatim in the source · abstract, characters 894–1034 · show in text ↑
t0

“Cut Roses”

✓ located verbatim in the source · title, characters 79–88 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Nano-silver alleviated ethylene inhibition of flower opening in detached cut rose flowers.

Taxon
cut rosese0
Organ / stage
detached flowerse0
Treatment
NS treatmentse0
Outcome
flower openinge0
Direction
alleviatee0
Comparator
exogenous ethylenee0

Verbatim

e0

“detached flowers from cut roses(with 5 cm stem and without leaves)further certified that NS treatments could effectively alleviate the inhibition in flower opening owing to exposure to exogenous ethylene”

✓ located verbatim in the source · abstract, characters 1083–1286 · show in text ↑

ethene · quality: postharvest · RosaResults differ

9 papers: 1 positive, 8 negative or no effect

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

  1. positive
  2. negative
  3. negative

5 papers more in this group

See all 9 papers →

ethene · yield · RosaResults 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 →

ethene · disease · RosaResults agree

3 papers: 0 positive, 3 negative or no effect

2 papers in the same direction as this paper

  1. negative
  2. no effect
See all 3 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.