Abstract
This study investigated the antimicrobial effect of chlorine dioxide (ClO2) on the vase life of cut rose flowers (Rosa hybrida L. 'Beast'), which were maintained in a standard holding solution containing 2% sugar. The cut flowers were treated with preservative solutions of tap water (TW, control), distilled water (DW), 2% sucrose, and 2% sucrose with 2 μL∙L-1 to 8 μL∙L-1 ClO2. The addition of sucrose to DW caused early leaf chlorosis, and shortened the vase life of the flowers compared to TW or DW conditions, even though sucrose is a well-known carbohydrate source. The addition of 2 μL∙L-1 to 8 μL∙L-1 ClO2 to the sucrose solution significantly extended flower vase life about four days more than TW or DW conditions, and about six days more than the sucrose solution. The relative fresh weight and water uptake of the cut flowers were dramatically decreased in the sucrose solution without ClO2. Bacteria in the TW, DW, and sucrose holding solutions on day six were detected at counts of 2.3×105 CFU/L, 4.8×105 CFU/L, and 2.4×106 CFU/L, respectively. However, bacteria were not detected in the holding solution that contained ClO2. These results indicate an antimicrobial activity of ClO2 that is useful for extending the postharvest life of cut rose flowers in a vase solution that contains sucrose.
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Claims 9
Claim · model-written summary
ClO2 added to the sucrose solution extended vase life by about four days compared with tap or distilled water conditions.
- Taxon
- Rosa hybrida
Rosa hybrid cultivare0 - Treatment
- ClO2 to the sucrose solutione3
- Outcome
- flower vase lifee1
- Direction
- extendede1
- Value
- about four dayse1
- Comparator
- TW or DW conditionse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cut rose flowers (Rosa hybrida L. 'Beast')”
e1“significantly extended flower vase life about four days more than TW or DW conditions”
e3“ClO2 to the sucrose solution”
Claim · model-written summary
ClO2 added to the sucrose solution extended vase life by about six days compared with the sucrose solution alone.
- Taxon
- Rosa hybridaRosa hybrid cultivare0
- Treatment
- ClO2 to the sucrose solutione3
- Outcome
- flower vase lifee1
- Direction
- extendede1
- Value
- about six dayse2
- Comparator
- the sucrose solutione2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cut rose flowers (Rosa hybrida L. 'Beast')”
e1“significantly extended flower vase life about four days more than TW or DW conditions”
e2“and about six days more than the sucrose solution”
e3“ClO2 to the sucrose solution”
Claim · model-written summary
Adding sucrose to distilled water shortened vase life compared with tap or distilled water conditions.
- Taxon
- Rosa hybridaRosa hybrid cultivare0
- Treatment
- sucrose to DWe4
- Outcome
- vase life of the flowerse4
- Direction
- shortenede4
- Comparator
- TW or DW conditionse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cut rose flowers (Rosa hybrida L. 'Beast')”
e4“The addition of sucrose to DW caused early leaf chlorosis, and shortened the vase life of the flowers compared to TW or DW conditions”
Claim · model-written summary
Relative fresh weight and water uptake of cut flowers decreased in the sucrose solution without ClO2.
- Taxon
- Rosa hybridaRosa hybrid cultivare0
- Treatment
- sucrose solution without ClO2e5
- Outcome
- relative fresh weight and water uptakee5
- Direction
- dramatically decreasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cut rose flowers (Rosa hybrida L. 'Beast')”
e5“The relative fresh weight and water uptake of the cut flowers were dramatically decreased in the sucrose solution without ClO2”
Claim · model-written summary
Bacteria in the TW holding solution on day six were at 2.3×105 CFU/L.
- Taxon
- Rosa hybridaRosa hybrid cultivare0
- Outcome
- bacteriae6
- Value
- 2.3×105 CFU/Le6
- Qualifier
- in the TWe6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cut rose flowers (Rosa hybrida L. 'Beast')”
e6“Bacteria in the TW, DW, and sucrose holding solutions on day six were detected at counts of 2.3×105 CFU/L, 4.8×105 CFU/L, and 2.4×106 CFU/L, respectively”
Claim · model-written summary
Bacteria in the DW holding solution on day six were at 4.8×105 CFU/L.
- Taxon
- Rosa hybridaRosa hybrid cultivare0
- Outcome
- bacteriae6
- Value
- 4.8×105 CFU/Le6
- Qualifier
- on day sixe6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cut rose flowers (Rosa hybrida L. 'Beast')”
e6“Bacteria in the TW, DW, and sucrose holding solutions on day six were detected at counts of 2.3×105 CFU/L, 4.8×105 CFU/L, and 2.4×106 CFU/L, respectively”
Claim · model-written summary
Bacteria in the sucrose holding solution on day six were at 2.4×106 CFU/L.
- Taxon
- Rosa hybridaRosa hybrid cultivare0
- Outcome
- bacteriae6
- Value
- 2.4×106 CFU/Le6
- Qualifier
- on day sixe6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cut rose flowers (Rosa hybrida L. 'Beast')”
e6“Bacteria in the TW, DW, and sucrose holding solutions on day six were detected at counts of 2.3×105 CFU/L, 4.8×105 CFU/L, and 2.4×106 CFU/L, respectively”
Claim · model-written summary
Bacteria were not detected in the holding solution that contained ClO2.
- Taxon
- Rosa hybridaRosa hybrid cultivare0
- Outcome
- bacteriae7
- Qualifier
- were not detected in the holding solution that contained ClO2e7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cut rose flowers (Rosa hybrida L. 'Beast')”
e7“However, bacteria were not detected in the holding solution that contained ClO2”
Claim · model-written summary
The authors conclude that ClO2 has antimicrobial activity useful for extending postharvest life of cut rose flowers in sucrose vase solutions.
Verbatim
e1“These results indicate an antimicrobial activity of ClO2 that is useful for extending the postharvest life of cut rose flowers”
The same questions in other papers
sucrose · quality: postharvest · Rosa hybrid cultivarResults differ
8 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- positive
6 papers more in this group
See all 10 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.