Paper · 2024 · International Journal of Fruit Science

Two-Year Survey of Botrytis Fruit Rot Levels in Commercial Strawberry Fields in California with and without Fungicide Applications

Yu-Chen Wang; Shashika S. Hewavitharana; Gerald J. Holmes

12
claims
26
verbatim quotes
1
citations
3
research areas
✓
Open access · cc-by

Abstract

Botrytis fruit rot (BFR) causes significant losses in-field and postharvest in strawberries and is mainly managed by fungicides.Strategically applying fungicides only during wet and cool periods would reduce fungicide resistance development and grower costs.A survey of BFR levels in field-grown strawberries with and without fungicide applications was conducted in Santa Maria, California.Weather data were collected to calculate the BFR risk factor using Florida's Strawberry Advisory System (StAS).There were no significant differences between fungicide and no-fungicide treatments for in-field and postharvest BFR incidence in 2021 and in-field BFR incidence in 2022, while the no-fungicide treatment showed higher postharvest BFR incidence in 2022.Average in-field BFR incidence for fungicide and no-fungicide treatments was 2.6% and 2.5% for 2021 and 3.0% and 3.7% for 2022.Average postharvest BFR incidence for fungicide and no-fungicide treatments was 1.8% and 2.0% for 2021 and 0.6% and 1.5% for 2022.BFR risk factor was significantly associated with BFR incidence in 2021, but not in 2022.StAS predicted a 50% and 44% fungicide application reduction in 2021 and 2022 compared to grower standard treatments.These results indicate the potential of reducing fungicide use without compromising BFR control in California strawberry production.

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Claims 12

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

In 2021 there was no significant difference between fungicide and no-fungicide treatments for in-field and postharvest Botrytis fruit rot incidence.

Taxon
strawberriesFragaria ×ananassae0
Treatment
fungicidee1
Interactor
BotrytisBotrytise0pathogen
Outcome
in-field and postharvest BFR incidencee1
Direction
no significant differencese1
Qualifier
2021e1
Comparator
no-fungicidee1
Setting
Santa Maria, Californiae2

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗
Botrytis
Botrytis · Interactor · picture of the genus (one of its species)Rasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Botrytis fruit rot (BFR) causes significant losses in-field and postharvest in strawberries”

✓ located verbatim in the source · abstract, characters 0–91 · show in text ↑
e1

“There were no significant differences between fungicide and no-fungicide treatments for in-field and postharvest BFR incidence in 2021 and in-field BFR incidence in 2022”

✓ located verbatim in the source · abstract, characters 501–670 · show in text ↑
e2

“A survey of BFR levels in field-grown strawberries with and without fungicide applications was conducted in Santa Maria, California”

✓ located verbatim in the source · abstract, characters 258–389 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

In 2022 there was no significant difference between fungicide and no-fungicide treatments for in-field Botrytis fruit rot incidence.

Taxon
strawberriesFragaria ×ananassae0
Treatment
fungicidee1
Interactor
BotrytisBotrytise0pathogen
Outcome
in-field BFR incidencee1
Direction
no significant differencese1
Qualifier
2022e1
Comparator
no-fungicidee1
Setting
Santa Maria, Californiae2

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗
Botrytis
Botrytis · Interactor · picture of the genus (one of its species)Rasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Botrytis fruit rot (BFR) causes significant losses in-field and postharvest in strawberries”

✓ located verbatim in the source · abstract, characters 0–91 · show in text ↑
e1

“There were no significant differences between fungicide and no-fungicide treatments for in-field and postharvest BFR incidence in 2021 and in-field BFR incidence in 2022”

✓ located verbatim in the source · abstract, characters 501–670 · show in text ↑
e2

“A survey of BFR levels in field-grown strawberries with and without fungicide applications was conducted in Santa Maria, California”

✓ located verbatim in the source · abstract, characters 258–389 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

In 2022 the no-fungicide treatment showed higher postharvest Botrytis fruit rot incidence than fungicide treatment.

Taxon
strawberriesFragaria ×ananassae0
Treatment
no-fungicidee3
Interactor
BotrytisBotrytise0pathogen
Outcome
postharvest BFR incidencee3
Direction
highere3
Qualifier
2022e3
Comparator
fungicidee1

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗
Botrytis
Botrytis · Interactor · picture of the genus (one of its species)Rasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Botrytis fruit rot (BFR) causes significant losses in-field and postharvest in strawberries”

✓ located verbatim in the source · abstract, characters 0–91 · show in text ↑
e1

“There were no significant differences between fungicide and no-fungicide treatments for in-field and postharvest BFR incidence in 2021 and in-field BFR incidence in 2022”

✓ located verbatim in the source · abstract, characters 501–670 · show in text ↑
e3

“while the no-fungicide treatment showed higher postharvest BFR incidence in 2022”

✓ located verbatim in the source · abstract, characters 672–752 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Average in-field Botrytis fruit rot incidence in 2021 was 2.6% for fungicide and 2.5% for no-fungicide treatments.

Taxon
strawberriesFragaria ×ananassae0
Interactor
BotrytisBotrytise0pathogen
Outcome
Average in-field BFR incidencee4
Value
2.6% and 2.5%e4
Qualifier
for 2021e4

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗
Botrytis
Botrytis · Interactor · picture of the genus (one of its species)Rasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Botrytis fruit rot (BFR) causes significant losses in-field and postharvest in strawberries”

✓ located verbatim in the source · abstract, characters 0–91 · show in text ↑
e4

“Average in-field BFR incidence for fungicide and no-fungicide treatments was 2.6% and 2.5% for 2021 and 3.0% and 3.7% for 2022”

✓ located verbatim in the source · abstract, characters 753–879 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Average in-field Botrytis fruit rot incidence in 2022 was 3.0% for fungicide and 3.7% for no-fungicide treatments.

Taxon
strawberriesFragaria ×ananassae0
Interactor
BotrytisBotrytise0pathogen
Outcome
Average in-field BFR incidencee4
Value
3.0% and 3.7%e4
Qualifier
for 2022e4

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗
Botrytis
Botrytis · Interactor · picture of the genus (one of its species)Rasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Botrytis fruit rot (BFR) causes significant losses in-field and postharvest in strawberries”

✓ located verbatim in the source · abstract, characters 0–91 · show in text ↑
e4

“Average in-field BFR incidence for fungicide and no-fungicide treatments was 2.6% and 2.5% for 2021 and 3.0% and 3.7% for 2022”

✓ located verbatim in the source · abstract, characters 753–879 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Average postharvest Botrytis fruit rot incidence in 2021 was 1.8% for fungicide and 2.0% for no-fungicide treatments.

Taxon
strawberriesFragaria ×ananassae0
Interactor
BotrytisBotrytise0pathogen
Outcome
Average postharvest BFR incidencee5
Value
1.8% and 2.0%e5
Qualifier
for 2021e5

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗
Botrytis
Botrytis · Interactor · picture of the genus (one of its species)Rasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Botrytis fruit rot (BFR) causes significant losses in-field and postharvest in strawberries”

✓ located verbatim in the source · abstract, characters 0–91 · show in text ↑
e5

“Average postharvest BFR incidence for fungicide and no-fungicide treatments was 1.8% and 2.0% for 2021 and 0.6% and 1.5% for 2022”

✓ located verbatim in the source · abstract, characters 880–1009 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Average postharvest Botrytis fruit rot incidence in 2022 was 0.6% for fungicide and 1.5% for no-fungicide treatments.

Taxon
strawberriesFragaria ×ananassae0
Interactor
BotrytisBotrytise0pathogen
Outcome
Average postharvest BFR incidencee5
Value
0.6% and 1.5%e5
Qualifier
for 2022e5

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗
Botrytis
Botrytis · Interactor · picture of the genus (one of its species)Rasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Botrytis fruit rot (BFR) causes significant losses in-field and postharvest in strawberries”

✓ located verbatim in the source · abstract, characters 0–91 · show in text ↑
e5

“Average postharvest BFR incidence for fungicide and no-fungicide treatments was 1.8% and 2.0% for 2021 and 0.6% and 1.5% for 2022”

✓ located verbatim in the source · abstract, characters 880–1009 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

The Botrytis risk factor was significantly associated with Botrytis fruit rot incidence in 2021.

Taxon
strawberriesFragaria ×ananassae0
Treatment
BFR risk factore6
Interactor
BotrytisBotrytise0pathogen
Outcome
BFR incidencee6
Qualifier
in 2021e6

Not reportedDirection

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗
Botrytis
Botrytis · Interactor · picture of the genus (one of its species)Rasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Botrytis fruit rot (BFR) causes significant losses in-field and postharvest in strawberries”

✓ located verbatim in the source · abstract, characters 0–91 · show in text ↑
e6

“BFR risk factor was significantly associated with BFR incidence in 2021, but not in 2022”

✓ located verbatim in the source · abstract, characters 1010–1098 · show in text ↑
Associationobservedoriginal resultnot significant (as stated)measured

Claim · model-written summary

The Botrytis risk factor was not associated with Botrytis fruit rot incidence in 2022.

Taxon
strawberriesFragaria ×ananassae0
Treatment
BFR risk factore6
Interactor
BotrytisBotrytise0pathogen
Outcome
BFR incidencee6
Qualifier
in 2022e6

Not reportedDirection

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗
Botrytis
Botrytis · Interactor · picture of the genus (one of its species)Rasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Botrytis fruit rot (BFR) causes significant losses in-field and postharvest in strawberries”

✓ located verbatim in the source · abstract, characters 0–91 · show in text ↑
e6

“BFR risk factor was significantly associated with BFR incidence in 2021, but not in 2022”

✓ located verbatim in the source · abstract, characters 1010–1098 · show in text ↑
Method / resourceobservedoriginal resultpositivesimulated

Claim · model-written summary

StAS predicted a 50% fungicide application reduction in 2021 compared to grower standard treatments.

Taxon
strawberriesFragaria ×ananassae0
Outcome
fungicide application reductione7
Value
50%e7
Qualifier
2021e7
Comparator
grower standard treatmentse7

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Botrytis fruit rot (BFR) causes significant losses in-field and postharvest in strawberries”

✓ located verbatim in the source · abstract, characters 0–91 · show in text ↑
e7

“StAS predicted a 50% and 44% fungicide application reduction in 2021 and 2022 compared to grower standard treatments”

✓ located verbatim in the source · abstract, characters 1099–1215 · show in text ↑
Method / resourceobservedoriginal resultpositivesimulated

Claim · model-written summary

StAS predicted a 44% fungicide application reduction in 2022 compared to grower standard treatments.

Taxon
strawberriesFragaria ×ananassae0
Outcome
fungicide application reductione7
Value
44%e7
Qualifier
2022e7
Comparator
grower standard treatmentse7

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Botrytis fruit rot (BFR) causes significant losses in-field and postharvest in strawberries”

✓ located verbatim in the source · abstract, characters 0–91 · show in text ↑
e7

“StAS predicted a 50% and 44% fungicide application reduction in 2021 and 2022 compared to grower standard treatments”

✓ located verbatim in the source · abstract, characters 1099–1215 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Reducing fungicide use without compromising Botrytis control is potential in California strawberry production.

Taxon
strawberryFragaria ×ananassae1
Outcome
reducing fungicide use without compromising BFR controle1

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“These results indicate the potential of reducing fungicide use without compromising BFR control in California strawberry production”

✓ located verbatim in the source · abstract, characters 1216–1347 · show in text ↑

fungicide · Botrytis · Fragaria x ananassa (strawberry)Positive and negative results

5 papers: 3 positive, 2 negative or no effect

1 paper in the same direction as this paper · 3 in the opposite direction

  1. positive
  2. positive
  3. positive

1 paper more in this group

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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.