Paper · 2025 · PhytoFrontiers™

Thermotherapy of Strawberry Transplants as a Possible Tool for Neopestalotiopsis sp. Management

Adrian I. Zuniga; Juliana S. Baggio; Ueder P. Lopes; et al.

11
claims
23
verbatim quotes
0
citations
3
research areas
✓
Open access

Abstract

The introduction of transplants cryptically infected with causal agents of major diseases represents an acute challenge to strawberry growers. Neopestalotiopsis sp., responsible for Pestalotia leaf spot (PLS) and Pestalotia fruit rot (PFR), was first introduced in Florida during the 2017 to 2018 strawberry season through infected nursery material. In this study, we demonstrated that Neopestalotiopsis sp. spores did not survive temperatures of 44, 48, 52, and 56°C after 240, 60, 10, and 5 min of exposure, respectively. The thermotherapy protocol effectively reduced the inoculum of Neopestalotiopsis sp. on naturally infected and artificially inoculated strawberry transplants. Before planting, naturally infected plants and inoculated and noninoculated transplants were exposed to the thermotherapy protocol. A standard area diagram set was developed and validated to estimate the severity of PLS, improving the accuracy, precision, and reliability of ratings. On naturally infected plants, thermotherapy reduced disease incidence and severity by 49.7 to 68.8% and 82.2 to 94.6%, respectively. On artificially inoculated plants, incidence was not different between treatments, but it was reduced by 52.5% on the heat-treated, inoculated transplants. Disease severity was reduced during both seasons by 82.2 to 94.6% and 50.3 to 86.8% on heat-treated transplants that were naturally infected and inoculated, respectively. Additionally, fruit were evaluated weekly from December to mid-January for early-season yield and PFR incidence. No significant differences were observed among treatments for incidence on fruit nor for early-season yield. Thermotherapy reduced the Neopestalotiopsis sp. inoculum and could be integrated into disease management programs to reduce cryptic infections in strawberry transplants for commercial production. [Formula: see text] Copyright © 2025 The Author(s). This is an open access article distributed under the CC BY-NC-ND 4.0 International license .

Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗

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 11

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Neopestalotiopsis spores failed to survive four temperature and exposure combinations.

Taxon
StrawberryFragaria ×ananassat0
Interactor
Neopestalotiopsis sp.Neopestalotiopsise0pathogen
Outcome
Neopestalotiopsis sp. spores did not survivee0
Qualifier
44, 48, 52, and 56°C after 240, 60, 10, and 5 mine0

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 ↗

Verbatim

t0

“Strawberry Transplants”

✓ located verbatim in the source · title, characters 17–39 · show in text ↑
e0

“Neopestalotiopsis sp. spores did not survive temperatures of 44, 48, 52, and 56°C after 240, 60, 10, and 5 min of exposure, respectively.”

✓ located verbatim in the source · abstract, characters 386–523 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Thermotherapy reduced Neopestalotiopsis inoculum on strawberry transplants.

Taxon
strawberryFragaria ×ananassae0
Treatment
thermotherapy protocole0
Interactor
Neopestalotiopsis sp.Neopestalotiopsise0pathogen
Outcome
inoculum of Neopestalotiopsis sp.e0
Direction
reducede0

Not reportedComparator

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

“thermotherapy protocol effectively reduced the inoculum of Neopestalotiopsis sp. on naturally infected and artificially inoculated strawberry transplants”

✓ located verbatim in the source · abstract, characters 528–681 · show in text ↑
Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

A standard area diagram improved accuracy, precision, and reliability of PLS severity ratings.

Taxon
StrawberryFragaria ×ananassat0
Outcome
accuracy, precision, and reliability of ratingse0
Direction
improvinge0

Not reportedComparatorValue

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

t0

“Strawberry Transplants”

✓ located verbatim in the source · title, characters 17–39 · show in text ↑
e0

“A standard area diagram set was developed and validated to estimate the severity of PLS, improving the accuracy, precision, and reliability of ratings.”

✓ located verbatim in the source · abstract, characters 815–966 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Thermotherapy reduced PLS incidence on naturally infected strawberry plants by 49.7 to 68.8%.

Taxon
StrawberryFragaria ×ananassat0
Treatment
thermotherapye0
Outcome
disease incidencee0
Direction
reducede0
Value
49.7 to 68.8%e0

Not reportedComparator

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

t0

“Strawberry Transplants”

✓ located verbatim in the source · title, characters 17–39 · show in text ↑
e0

“On naturally infected plants, thermotherapy reduced disease incidence and severity by 49.7 to 68.8% and 82.2 to 94.6%, respectively.”

✓ located verbatim in the source · abstract, characters 967–1099 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Thermotherapy reduced PLS severity on naturally infected strawberry plants by 82.2 to 94.6%.

Taxon
StrawberryFragaria ×ananassat0
Treatment
thermotherapye0
Outcome
severitye0
Direction
reducede0
Value
82.2 to 94.6%e0

Not reportedComparator

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

t0

“Strawberry Transplants”

✓ located verbatim in the source · title, characters 17–39 · show in text ↑
e0

“On naturally infected plants, thermotherapy reduced disease incidence and severity by 49.7 to 68.8% and 82.2 to 94.6%, respectively.”

✓ located verbatim in the source · abstract, characters 967–1099 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

On artificially inoculated strawberry plants, incidence was not different between treatments.

Taxon
StrawberryFragaria ×ananassat0
Treatment
artificially inoculatede0
Outcome
incidencee0
Direction
not differente0
Comparator
between treatmentse0

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

t0

“Strawberry Transplants”

✓ located verbatim in the source · title, characters 17–39 · show in text ↑
e0

“On artificially inoculated plants, incidence was not different between treatments”

✓ located verbatim in the source · abstract, characters 1100–1181 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

On heat-treated inoculated strawberry transplants, disease incidence was reduced by 52.5%.

Taxon
StrawberryFragaria ×ananassat0
Treatment
heat-treated, inoculated transplantse0
Outcome
incidencee1
Direction
reducede0
Value
52.5%e0

Not reportedComparator

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

t0

“Strawberry Transplants”

✓ located verbatim in the source · title, characters 17–39 · show in text ↑
e0

“it was reduced by 52.5% on the heat-treated, inoculated transplants”

✓ located verbatim in the source · abstract, characters 1187–1254 · show in text ↑
e1

“On artificially inoculated plants, incidence was not different between treatments”

✓ located verbatim in the source · abstract, characters 1100–1181 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Thermotherapy reduced PLS severity on artificially inoculated strawberry transplants by 50.3 to 86.8%.

Taxon
StrawberryFragaria ×ananassat0
Treatment
heat-treated transplantse0
Outcome
Disease severitye0
Direction
reducede0
Value
50.3 to 86.8%e0
Qualifier
inoculatede0

Not reportedComparator

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

t0

“Strawberry Transplants”

✓ located verbatim in the source · title, characters 17–39 · show in text ↑
e0

“Disease severity was reduced during both seasons by 82.2 to 94.6% and 50.3 to 86.8% on heat-treated transplants that were naturally infected and inoculated, respectively.”

✓ located verbatim in the source · abstract, characters 1256–1426 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Fruit PFR incidence did not differ significantly among thermotherapy treatments.

Taxon
StrawberryFragaria ×ananassat0
Treatment
Thermotherapye1
Outcome
incidence on fruite0
Direction
No significant differencese0
Comparator
among treatmentse0

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

t0

“Strawberry Transplants”

✓ located verbatim in the source · title, characters 17–39 · show in text ↑
e0

“No significant differences were observed among treatments for incidence on fruit nor for early-season yield.”

✓ located verbatim in the source · abstract, characters 1540–1648 · show in text ↑
e1

“Thermotherapy reduced the Neopestalotiopsis sp. inoculum”

✓ located verbatim in the source · abstract, characters 1649–1705 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Early-season strawberry yield did not differ significantly among treatments.

Taxon
StrawberryFragaria ×ananassat0
Treatment
Thermotherapye1
Outcome
early-season yielde0
Direction
No significant differencese0
Comparator
among treatmentse0

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

t0

“Strawberry Transplants”

✓ located verbatim in the source · title, characters 17–39 · show in text ↑
e0

“No significant differences were observed among treatments for incidence on fruit nor for early-season yield.”

✓ located verbatim in the source · abstract, characters 1540–1648 · show in text ↑
e1

“Thermotherapy reduced the Neopestalotiopsis sp. inoculum”

✓ located verbatim in the source · abstract, characters 1649–1705 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors suggest integrating thermotherapy into strawberry disease management to reduce cryptic infections.

Taxon
strawberryFragaria ×ananassae0
Outcome
could be integrated into disease management programs to reduce cryptic infectionse0

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

“Thermotherapy reduced the Neopestalotiopsis sp. inoculum and could be integrated into disease management programs to reduce cryptic infections in strawberry transplants for commercial production.”

✓ located verbatim in the source · abstract, characters 1649–1844 · show in text ↑

transplanting · disease · Fragaria x ananassa (strawberry)Positive and negative results

4 papers: 3 positive, 1 negative or no effect

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

  1. no effect
  2. positive
  3. positive
See all 4 papers →

inoculation · disease · Fragaria x ananassa (strawberry)Positive and negative results

72 papers: 33 positive, 39 negative or no effect

32 papers in the same direction as this paper · 39 in the opposite direction

  1. negative
  2. positive
  3. negative

68 papers more in this group

See all 72 papers →

heat · disease · Fragaria x ananassa (strawberry)Results agree

18 papers: 18 positive, 0 negative or no effect

17 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

14 papers more in this group

See all 18 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.