Paper · 1998 · Journal of the American Society for Horticultural Science

Methionine-Riboflavin Mixtures with Surfactants and Metal Ions Reduce Powdery Mildew Infection in Strawberry Plants

Shiow Y. Wang; Dean Der-Syh Tzeng

6
claims
13
verbatim quotes
23
citations
2
research areas
✓
Open access

Abstract

Foliar application of a mixture of methionine (1 m m ) and riboflavin (26.6 μ m ) reduced the severity of powdery mildew [ Sphaerotheca macularia (Wallr. ex Fr.) Jacz. f. sp. fragariae ] infection in `Earliglow' strawberry ( Fragaria × ananassa Duch.) plants. Efficacy of this mixture on controlling powdery mildew infection was enhanced by supplements of copper, iron, and surfactants [sodium dodecyl sulfate (SDS), Triton X-100, Tween-20, or oxyalkylenemethylsiloxane (Silwet L-77)]. Free-radical scavengers (n-propyl gallate, thiourea) and antioxidants (α-tocopherol, β-carotene) reduced the efficacy of this mixture. Plants treated with a mixture of riboflavin (26.6 μ m ), d,l -methionine (1 m m ), copper sulfate pentahydrate (1 m m ), and surfactants (SDS or Silwet L-77 at concentrations of 0.05% to 0.1%) showed a decrease in powdery mildew infection. Results of this study suggest that treatment with a mixture of methionine and riboflavin is beneficial to strawberry plants and may serve as an alternative to fungicides for controlling powdery mildew.

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Claims 6

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Foliar application of methionine and riboflavin mixture reduced the severity of powdery mildew infection in Earliglow strawberry.

Taxon
strawberryFragaria ×ananassae1
Material
Earliglowe1
Treatment
Foliar application of a mixture of methionine (1 m m ) and riboflavin (26.6 μ m )e1
Interactor
Sphaerotheca maculariae1pathogen
Outcome
severity of powdery mildewe1
Direction
reducede1

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

e1

“Foliar application of a mixture of methionine (1 m m ) and riboflavin (26.6 μ m ) reduced the severity of powdery mildew [ Sphaerotheca macularia (Wallr. ex Fr.) Jacz. f. sp. fragariae ] infection in `Earliglow' strawberry ( Fragaria × ananassa Duch.) plants”

✓ located verbatim in the source · abstract, characters 0–258 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Copper, iron and surfactant supplements enhanced the efficacy of the methionine-riboflavin mixture against powdery mildew.

Taxon
Strawberry PlantsFragaria ×ananassat0
Treatment
supplements of copper, iron, and surfactantse2
Interactor
powdery mildewe2pathogen
Outcome
efficacy of this mixture on controlling powdery mildew infectione2
Direction
enhancede2

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

e2

“Efficacy of this mixture on controlling powdery mildew infection was enhanced by supplements of copper, iron, and surfactants”

✓ located verbatim in the source · abstract, characters 260–385 · show in text ↑
t0

“Strawberry Plants”

✓ located verbatim in the source · title, characters 98–115 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Free-radical scavengers reduced the efficacy of the methionine-riboflavin mixture against powdery mildew.

Taxon
Strawberry PlantsFragaria ×ananassat0
Treatment
Free-radical scavengers (n-propyl gallate, thiourea)e3
Interactor
powdery mildewe2pathogen
Outcome
efficacy of this mixturee3
Direction
reducede3

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

e3

“Free-radical scavengers (n-propyl gallate, thiourea) and antioxidants (α-tocopherol, β-carotene) reduced the efficacy of this mixture”

✓ located verbatim in the source · abstract, characters 486–619 · show in text ↑
e2

“Efficacy of this mixture on controlling powdery mildew infection was enhanced by supplements of copper, iron, and surfactants”

✓ located verbatim in the source · abstract, characters 260–385 · show in text ↑
t0

“Strawberry Plants”

✓ located verbatim in the source · title, characters 98–115 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Antioxidants reduced the efficacy of the methionine-riboflavin mixture against powdery mildew.

Taxon
Strawberry PlantsFragaria ×ananassat0
Treatment
antioxidants (α-tocopherol, β-carotene)e3
Interactor
powdery mildewe2pathogen
Outcome
efficacy of this mixturee3
Direction
reducede3

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

e3

“Free-radical scavengers (n-propyl gallate, thiourea) and antioxidants (α-tocopherol, β-carotene) reduced the efficacy of this mixture”

✓ located verbatim in the source · abstract, characters 486–619 · show in text ↑
e2

“Efficacy of this mixture on controlling powdery mildew infection was enhanced by supplements of copper, iron, and surfactants”

✓ located verbatim in the source · abstract, characters 260–385 · show in text ↑
t0

“Strawberry Plants”

✓ located verbatim in the source · title, characters 98–115 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

A riboflavin, methionine, copper sulfate and surfactant mixture decreased powdery mildew infection in treated plants.

Taxon
Strawberry PlantsFragaria ×ananassat0
Treatment
a mixture of riboflavin (26.6 μ m ), d,l -methionine (1 m m ), copper sulfate pentahydrate (1 m m ), and surfactants (SDS or Silwet L-77 at concentrations of 0.05% to 0.1%)e4
Interactor
powdery mildewe4pathogen
Outcome
powdery mildew infectione4
Direction
decreasee4

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

e4

“Plants treated with a mixture of riboflavin (26.6 μ m ), d,l -methionine (1 m m ), copper sulfate pentahydrate (1 m m ), and surfactants (SDS or Silwet L-77 at concentrations of 0.05% to 0.1%) showed a decrease in powdery mildew infection”

✓ located verbatim in the source · abstract, characters 621–859 · show in text ↑
t0

“Strawberry Plants”

✓ located verbatim in the source · title, characters 98–115 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Methionine and riboflavin treatment may serve as an alternative to fungicides for controlling powdery mildew in strawberry.

Taxon
strawberryFragaria ×ananassae5
Interactor
powdery mildewe5pathogen
Outcome
alternative to fungicides for controlling powdery mildewe5

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

e5

“Results of this study suggest that treatment with a mixture of methionine and riboflavin is beneficial to strawberry plants and may serve as an alternative to fungicides for controlling powdery mildew”

✓ located verbatim in the source · abstract, characters 861–1061 · show in text ↑
t0

“Strawberry Plants”

✓ located verbatim in the source · title, characters 98–115 · show in text ↑

iron atom · disease · Fragaria x ananassa (strawberry)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

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

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

copper atom · disease · Fragaria x ananassa (strawberry)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

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

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive
See all 4 papers →

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

40 papers: 35 positive, 5 negative or no effect

34 papers in the same direction as this paper · 4 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
  2. negative
  3. negative

36 papers more in this group

See all 40 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.