Abstract
Strawberry fruit are very susceptible to attack by fungi, particularly Botrytis cinerea, gray mold, control of which is conventionally carried out by the application of fungicides. However, there is a consensus that alternatives to the use of fungicides must be found. Among the non-fungicidal products proposed for the sustainable horticulture production of strawberries is the organic Croplife-B. Another is ethephon whose breakdown products, ethylene, chloride and phosphate ions are all naturally occurring in plants. To investigate the ability of ethephon and Croplife-B to extend strawberry shelf life, Camarosa and Honor cultivars were sprayed pre-harvest for two seasons with either 1000 or 1500 µL L -1 ethephon for one time and/or Croplife-B weekly at a rate of 300 mL/hectare. Quality was maintained as indicated by unchanged firmness, total soluble solids (TSS ) and titratable acidity (TA). During continuous cold storage (2-6 o C) ethephon and Croplife delayed and inhibited the appearance and development of gray mold on strawberry fruits. In another experiment, there was no mold on any of the treatments during five days of cold storage or the first day after transfer to room temperature. Both ethephon and Croplife-B, separately or combined, significantly decreased the percentage of attacked fruits at days nine and ten after harvesting. Following removal from cold storage only the combined Croplife-B + ethephon 1000 µL L -1 showed no mold after two days at room temperature suggesting a role for ethephon and Croplife in extending strawberry shelf life for sustainable organic horticulture.
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Claims 7
Claim · model-written summary
Pre-harvest treatments maintained strawberry firmness, soluble solids and acidity.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassat0 - Treatment
- Croplife-B and ethephont0
- Outcome
- firmness, total soluble solids (TSS ) and titratable acidity (TA)e0
- Direction
- unchangede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“Quality was maintained as indicated by unchanged firmness, total soluble solids (TSS ) and titratable acidity (TA)”
t0“Croplife-B and ethephon: candidates for use in strawberry sustainable organic horticulture.”
Claim · model-written summary
ethephon delayed and inhibited gray mold during cold storage.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- ethephone0
- Interactor
- gray molde0pathogen
- Outcome
- appearance and development of gray molde0
- Direction
- delayed and inhibitede0
- Setting
- cold storage (2-6 o C)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“During continuous cold storage (2-6 o C) ethephon and Croplife delayed and inhibited the appearance and development of gray mold on strawberry fruits”
t0“strawberry”
Claim · model-written summary
Croplife delayed and inhibited gray mold during cold storage.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- Croplifee0
- Interactor
- gray molde0pathogen
- Outcome
- appearance and development of gray molde0
- Direction
- delayed and inhibitede0
- Setting
- cold storage (2-6 o C)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“During continuous cold storage (2-6 o C) ethephon and Croplife delayed and inhibited the appearance and development of gray mold on strawberry fruits”
t0“strawberry”
Claim · model-written summary
ethephon decreased the percentage of attacked fruits on days nine and ten.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- ethephone0
- Outcome
- percentage of attacked fruitse0
- Direction
- decreasede0
- Qualifier
- at days nine and ten after harvestinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both ethephon and Croplife-B, separately or combined, significantly decreased the percentage of attacked fruits at days nine and ten after harvesting”
t0“strawberry”
Claim · model-written summary
Croplife-B decreased the percentage of attacked fruits on days nine and ten.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- Croplife-Be0
- Outcome
- percentage of attacked fruitse0
- Direction
- decreasede0
- Qualifier
- at days nine and ten after harvestinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both ethephon and Croplife-B, separately or combined, significantly decreased the percentage of attacked fruits at days nine and ten after harvesting”
t0“strawberry”
Claim · model-written summary
combined decreased the percentage of attacked fruits on days nine and ten.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- combinede0
- Outcome
- percentage of attacked fruitse0
- Direction
- decreasede0
- Qualifier
- at days nine and ten after harvestinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both ethephon and Croplife-B, separately or combined, significantly decreased the percentage of attacked fruits at days nine and ten after harvesting”
t0“strawberry”
Claim · model-written summary
Only combined Croplife-B and ethephon at 1000 µL L -1 showed no mold after two days at room temperature.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- combined Croplife-B + ethephon 1000 µL L -1e0
- Outcome
- no molde0
- Qualifier
- after two days at room temperaturee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“only the combined Croplife-B + ethephon 1000 µL L -1 showed no mold after two days at room temperature”
t0“strawberry”
The same questions in other papers
(2-chloroethyl)phosphonic acid · quality: sugar starch · Fragaria x ananassa (strawberry)Positive and negative results
2 in the opposite direction
- positive
- positive
(2-chloroethyl)phosphonic acid · growth · Fragaria x ananassa (strawberry)Positive and negative results
3 papers in the same direction as this paper · 2 in the opposite direction
- negative
- no effect
- positive
2 papers more in this group
See all 6 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.