Paper · 1994 · New Zealand Journal of Crop and Horticultural Science

Differential sensitivity of citrus green mould isolates ( Penicillium digitatum Sacc.) to the fungicide imazalil

Brian L. Wild

7
claims
14
verbatim quotes
17
citations
2
research areas
—
Not open access

Abstract

Abstract Penicillium digitatum Sacc. isolates, obtained from Australian citrus fruit and from oranges and lemons imported from the United States were compared for their sensitivity to the fungicide imazalil. In vitro data showed the four strains from the United States were up to 13 times less sensitive than the four strains from Australia. A similar response was found in in vivo experiments with resistant strains more difficult to control than sensitive ones. The standard application of imazalil in water, as practised in Australia however still provided reasonable decay protection. A growth media concentration of 0.1 μg/ml imazalil was established as a suitable concentration for differentiating imazalil resistant strains. All strains from the United States that were tested were also resistant to the benzimidazole fungicides and were therefore classified as being double resistant to these two different groups of compounds. Two of the Australian strains were also resistant to the benzimidazoles. All were controllable with the standard application of the fungicide guazatine.

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Claims 7

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

US isolates of Penicillium digitatum were up to 13 times less sensitive to imazalil in vitro than Australian isolates.

Taxon
citrus fruitCitruse1
Material
four strains from the United Statese2
Interactor
Penicillium digitatum Sacc.Penicillium digitatume1pathogen
Outcome
sensitivity to the fungicide imazalile1
Direction
less sensitivee2
Value
13 timese2
Comparator
four strains from Australiae2

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

Citrus
Citrus · Taxon · picture of the genus (one of its species)Ellen Levy Finch ( Elf ) · CC BY-SA 3.0 · Wikimedia Commons ↗
Penicillium digitatum
Penicillium digitatum · InteractorKeith Seifert · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“Penicillium digitatum Sacc. isolates, obtained from Australian citrus fruit and from oranges and lemons imported from the United States were compared for their sensitivity to the fungicide imazalil”

✓ located verbatim in the source · abstract, characters 9–206 · show in text ↑
e2

“In vitro data showed the four strains from the United States were up to 13 times less sensitive than the four strains from Australia”

✓ located verbatim in the source · abstract, characters 208–340 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Resistant isolates were more difficult to control than sensitive ones in in vivo experiments.

Taxon
citrus fruitCitruse1
Material
resistant strainse3
Interactor
Penicillium digitatum Sacc.Penicillium digitatume1pathogen
Outcome
controle3
Direction
more difficulte3
Comparator
sensitive onese3

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

Citrus
Citrus · Taxon · picture of the genus (one of its species)Ellen Levy Finch ( Elf ) · CC BY-SA 3.0 · Wikimedia Commons ↗
Penicillium digitatum
Penicillium digitatum · InteractorKeith Seifert · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“Penicillium digitatum Sacc. isolates, obtained from Australian citrus fruit and from oranges and lemons imported from the United States were compared for their sensitivity to the fungicide imazalil”

✓ located verbatim in the source · abstract, characters 9–206 · show in text ↑
e3

“A similar response was found in in vivo experiments with resistant strains more difficult to control than sensitive ones”

✓ located verbatim in the source · abstract, characters 342–462 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The standard application of imazalil in water, as practised in Australia, still provided reasonable decay protection.

Taxon
citrus fruitCitruse1
Treatment
standard application of imazalil in watere4
Outcome
decay protectione4
Qualifier
reasonablee4
Setting
as practised in Australiae4

Not reportedComparatorDirection

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

Citrus
Citrus · Taxon · picture of the genus (one of its species)Ellen Levy Finch ( Elf ) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“Penicillium digitatum Sacc. isolates, obtained from Australian citrus fruit and from oranges and lemons imported from the United States were compared for their sensitivity to the fungicide imazalil”

✓ located verbatim in the source · abstract, characters 9–206 · show in text ↑
e4

“The standard application of imazalil in water, as practised in Australia however still provided reasonable decay protection”

✓ located verbatim in the source · abstract, characters 464–587 · show in text ↑
Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

A growth medium concentration of 0.1 μg/ml imazalil was established as suitable for differentiating imazalil-resistant strains.

Taxon
citrus fruitCitruse1
Treatment
growth media concentration of 0.1 μg/ml imazalile5
Interactor
Penicillium digitatum Sacc.Penicillium digitatume1pathogen
Outcome
differentiating imazalil resistant strainse5
Value
0.1 μg/mle5

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

Citrus
Citrus · Taxon · picture of the genus (one of its species)Ellen Levy Finch ( Elf ) · CC BY-SA 3.0 · Wikimedia Commons ↗
Penicillium digitatum
Penicillium digitatum · InteractorKeith Seifert · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“Penicillium digitatum Sacc. isolates, obtained from Australian citrus fruit and from oranges and lemons imported from the United States were compared for their sensitivity to the fungicide imazalil”

✓ located verbatim in the source · abstract, characters 9–206 · show in text ↑
e5

“A growth media concentration of 0.1 μg/ml imazalil was established as a suitable concentration for differentiating imazalil resistant strains”

✓ located verbatim in the source · abstract, characters 589–730 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

All US strains tested were resistant to benzimidazole fungicides and were therefore classed as double resistant.

Taxon
citrus fruitCitruse1
Material
strains from the United Statese6
Interactor
Penicillium digitatum Sacc.Penicillium digitatume1pathogen
Compound
benzimidazole fungicidese6
Outcome
resistant to the benzimidazole fungicidese6

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

Citrus
Citrus · Taxon · picture of the genus (one of its species)Ellen Levy Finch ( Elf ) · CC BY-SA 3.0 · Wikimedia Commons ↗
Penicillium digitatum
Penicillium digitatum · InteractorKeith Seifert · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“Penicillium digitatum Sacc. isolates, obtained from Australian citrus fruit and from oranges and lemons imported from the United States were compared for their sensitivity to the fungicide imazalil”

✓ located verbatim in the source · abstract, characters 9–206 · show in text ↑
e6

“All strains from the United States that were tested were also resistant to the benzimidazole fungicides”

✓ located verbatim in the source · abstract, characters 732–835 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Two of the Australian strains were also resistant to benzimidazoles.

Taxon
citrus fruitCitruse1
Material
Two of the Australian strainse7
Interactor
Penicillium digitatum Sacc.Penicillium digitatume1pathogen
Compound
benzimidazolese7
Outcome
resistant to the benzimidazolese7

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

Citrus
Citrus · Taxon · picture of the genus (one of its species)Ellen Levy Finch ( Elf ) · CC BY-SA 3.0 · Wikimedia Commons ↗
Penicillium digitatum
Penicillium digitatum · InteractorKeith Seifert · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“Penicillium digitatum Sacc. isolates, obtained from Australian citrus fruit and from oranges and lemons imported from the United States were compared for their sensitivity to the fungicide imazalil”

✓ located verbatim in the source · abstract, characters 9–206 · show in text ↑
e7

“Two of the Australian strains were also resistant to the benzimidazoles”

✓ located verbatim in the source · abstract, characters 936–1007 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

All isolates were controllable with the standard application of the fungicide guazatine.

Taxon
citrus fruitCitruse1
Treatment
standard application of the fungicide guazatinee7
Interactor
Penicillium digitatum Sacc.Penicillium digitatume1pathogen
Outcome
controllablee7

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

Citrus
Citrus · Taxon · picture of the genus (one of its species)Ellen Levy Finch ( Elf ) · CC BY-SA 3.0 · Wikimedia Commons ↗
Penicillium digitatum
Penicillium digitatum · InteractorKeith Seifert · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“Penicillium digitatum Sacc. isolates, obtained from Australian citrus fruit and from oranges and lemons imported from the United States were compared for their sensitivity to the fungicide imazalil”

✓ located verbatim in the source · abstract, characters 9–206 · show in text ↑
e7

“All were controllable with the standard application of the fungicide guazatine”

✓ located verbatim in the source · abstract, characters 1009–1087 · show in text ↑

enilconazole · disease · CitrusResults agree

6 papers: 6 positive, 0 negative or no effect

5 papers in the same direction as this paper

  1. positive
  2. positive
  3. 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.