Paper · 1971 · Applied Microbiology

Influence of Fungicides and Irrigation Practice on Aflatoxin in Peanuts Before Digging

Robert E. Pettit; Ruth Ann Taber; Harry W. Schroeder; et al.

12
claims
25
verbatim quotes
41
citations
3
research areas
✓
Open access

Abstract

Peanuts grown under dryland conditions where drought stress occurred accumulated more aflatoxin before digging than peanuts grown under irrigation. Kernels became more susceptible to Aspergillus flavus and A. parasiticus invasion when the soil moisture in the pod zone approached levels at which moisture moved from the pod into the soil and the kernel moisture dropped below 31%. Isolation frequencies of these aspergilli from fresh-dug kernels were lowest in 1968 (maximum of 3%). In 1967 and 1969, maximum percentages of 100 and 74, respectively, were noted. Kernel infestation was correlated with degree of aflatoxin contamination. Dryland fresh-dug kernels contained a maximum of 35,800 parts per billion aflatoxin while a maximum of 50 parts per billion was detected in kernels from irrigated plots. In 1969 A. flavus infestation was as high as 59% in peanuts from irrigated plots; however, no aflatoxin was detected. Absence of aflatoxin in these samples is attributed to the higher kernel moisture content which reduced the aflatoxin-producing potential of A. flavus. Statistical analysis of the data revealed no significant differences in degree of fungal infestation, production levels, and grade factors between any fungicide treatments.

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 12

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Peanuts grown dryland under drought stress accumulated more aflatoxin before digging than irrigated peanuts.

Taxon
PeanutsArachis hypogaeae0
Treatment
dryland conditions where drought stress occurrede0
Outcome
aflatoxine0
Direction
moree0
Comparator
peanuts grown under irrigatione0

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“Peanuts grown under dryland conditions where drought stress occurred accumulated more aflatoxin before digging than peanuts grown under irrigation”

✓ located verbatim in the source · abstract, characters 0–146 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Peanut kernels became more susceptible to Aspergillus flavus and A. parasiticus invasion when pod-zone soil moisture fell to levels where moisture moved from pod to soil and kernel moisture dropped below 31%.

Taxon
PeanutsArachis hypogaeat0
Organ / stage
Kernelse0
Interactor
Aspergillus flavusAspergillus flavuse0pathogen
Second interactor
A. parasiticusAspergillus parasiticuse0pathogen
Outcome
susceptible to Aspergillus flavus and A. parasiticus invasione0
Direction
moree0
Qualifier
kernel moisture dropped below 31%e0

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗
Aspergillus flavus
Aspergillus flavus · InteractorUS gov · Public domain · Wikimedia Commons ↗
Aspergillus parasiticus
Aspergillus parasiticus · Second interactorMedmyco · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Kernels became more susceptible to Aspergillus flavus and A. parasiticus invasion when the soil moisture in the pod zone approached levels at which moisture moved from the pod into the soil and the kernel moisture dropped below 31%”

✓ located verbatim in the source · abstract, characters 148–379 · show in text ↑
t0

“Peanuts”

✓ located verbatim in the source · title, characters 64–71 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Isolation frequencies of aspergilli from fresh-dug peanut kernels were lowest in 1968, with a maximum of 3%.

Taxon
PeanutsArachis hypogaeat0
Organ / stage
fresh-dug kernelse0
Interactor
aspergillie0pathogen
Outcome
Isolation frequencies of these aspergillie0
Value
3%e0
Qualifier
lowest in 1968e0

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“Isolation frequencies of these aspergilli from fresh-dug kernels were lowest in 1968 (maximum of 3%)”

✓ located verbatim in the source · abstract, characters 381–481 · show in text ↑
t0

“Peanuts”

✓ located verbatim in the source · title, characters 64–71 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Maximum isolation frequency of aspergilli from peanut kernels in 1967 was 100%.

Taxon
PeanutsArachis hypogaeat0
Interactor
aspergillie0pathogen
Outcome
Isolation frequencies of these aspergillie0
Value
100e1
Qualifier
In 1967e1

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“Isolation frequencies of these aspergilli from fresh-dug kernels were lowest in 1968 (maximum of 3%)”

✓ located verbatim in the source · abstract, characters 381–481 · show in text ↑
e1

“In 1967 and 1969, maximum percentages of 100 and 74, respectively, were noted”

✓ located verbatim in the source · abstract, characters 483–560 · show in text ↑
t0

“Peanuts”

✓ located verbatim in the source · title, characters 64–71 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Maximum isolation frequency of aspergilli from peanut kernels in 1969 was 74%.

Taxon
PeanutsArachis hypogaeat0
Interactor
aspergillie0pathogen
Outcome
Isolation frequencies of these aspergillie0
Value
74e1
Qualifier
1969e1

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“Isolation frequencies of these aspergilli from fresh-dug kernels were lowest in 1968 (maximum of 3%)”

✓ located verbatim in the source · abstract, characters 381–481 · show in text ↑
e1

“In 1967 and 1969, maximum percentages of 100 and 74, respectively, were noted”

✓ located verbatim in the source · abstract, characters 483–560 · show in text ↑
t0

“Peanuts”

✓ located verbatim in the source · title, characters 64–71 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Kernel infestation by Aspergillus was correlated with the degree of aflatoxin contamination in peanuts.

Taxon
PeanutsArachis hypogaeat0
Organ / stage
Kernele0
Outcome
degree of aflatoxin contaminatione0

Not reportedDirection

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“Kernel infestation was correlated with degree of aflatoxin contamination”

✓ located verbatim in the source · abstract, characters 562–634 · show in text ↑
t0

“Peanuts”

✓ located verbatim in the source · title, characters 64–71 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Dryland fresh-dug peanut kernels contained a maximum of 35,800 parts per billion aflatoxin.

Taxon
PeanutsArachis hypogaeat0
Organ / stage
fresh-dug kernelse0
Outcome
aflatoxine0
Value
35,800 parts per billione0
Setting
Drylande0

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“Dryland fresh-dug kernels contained a maximum of 35,800 parts per billion aflatoxin while a maximum of 50 parts per billion was detected in kernels from irrigated plots”

✓ located verbatim in the source · abstract, characters 636–804 · show in text ↑
t0

“Peanuts”

✓ located verbatim in the source · title, characters 64–71 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Kernels from irrigated plots had a maximum of 50 parts per billion aflatoxin.

Taxon
PeanutsArachis hypogaeat0
Organ / stage
kernelse0
Outcome
aflatoxine0
Value
50 parts per billione0
Setting
irrigated plotse0

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“Dryland fresh-dug kernels contained a maximum of 35,800 parts per billion aflatoxin while a maximum of 50 parts per billion was detected in kernels from irrigated plots”

✓ located verbatim in the source · abstract, characters 636–804 · show in text ↑
t0

“Peanuts”

✓ located verbatim in the source · title, characters 64–71 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

In 1969, A. flavus infestation reached as high as 59% in peanuts from irrigated plots.

Taxon
PeanutsArachis hypogaeat0
Interactor
A. flavusAspergillus flavuse0pathogen
Outcome
A. flavus infestatione0
Value
59%e0
Setting
irrigated plotse0

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗
Aspergillus flavus
Aspergillus flavus · InteractorUS gov · Public domain · Wikimedia Commons ↗

Verbatim

e0

“In 1969 A. flavus infestation was as high as 59% in peanuts from irrigated plots; however, no aflatoxin was detected”

✓ located verbatim in the source · abstract, characters 806–922 · show in text ↑
t0

“Peanuts”

✓ located verbatim in the source · title, characters 64–71 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

No aflatoxin was detected in the 1969 irrigated-plot peanuts despite the A. flavus infestation.

Taxon
PeanutsArachis hypogaeat0
Interactor
A. flavusAspergillus flavuse0pathogen
Outcome
no aflatoxin was detectede0
Setting
irrigated plotse0

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗
Aspergillus flavus
Aspergillus flavus · InteractorUS gov · Public domain · Wikimedia Commons ↗

Verbatim

e0

“In 1969 A. flavus infestation was as high as 59% in peanuts from irrigated plots; however, no aflatoxin was detected”

✓ located verbatim in the source · abstract, characters 806–922 · show in text ↑
t0

“Peanuts”

✓ located verbatim in the source · title, characters 64–71 · show in text ↑
Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

The authors attribute the absence of aflatoxin in these samples to higher kernel moisture content reducing the aflatoxin-producing potential of A. flavus.

Taxon
PeanutsArachis hypogaeat0
Interactor
A. flavusAspergillus flavuse0pathogen
Outcome
Absence of aflatoxine0
Qualifier
higher kernel moisture contente0

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗
Aspergillus flavus
Aspergillus flavus · InteractorUS gov · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Absence of aflatoxin in these samples is attributed to the higher kernel moisture content which reduced the aflatoxin-producing potential of A. flavus”

✓ located verbatim in the source · abstract, characters 924–1074 · show in text ↑
t0

“Peanuts”

✓ located verbatim in the source · title, characters 64–71 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

No significant differences in fungal infestation, production levels or grade factors were found between fungicide treatments in peanuts.

Taxon
PeanutsArachis hypogaeat0
Treatment
fungicide treatmentse0
Outcome
degree of fungal infestation, production levels, and grade factorse0
Direction
no significant differencese0

Not reportedComparator

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“Statistical analysis of the data revealed no significant differences in degree of fungal infestation, production levels, and grade factors between any fungicide treatments”

✓ located verbatim in the source · abstract, characters 1076–1247 · show in text ↑
t0

“Peanuts”

✓ located verbatim in the source · title, characters 64–71 · show in text ↑

fungicide · pest · Arachis hypogaea (peanut)Positive and negative results

10 papers: 8 positive, 2 negative or no effect

1 paper in the same direction as this paper · 8 in the opposite direction

  1. positive
  2. positive
  3. positive

6 papers more in this group

See all 10 papers →

drought · disease · Arachis hypogaea (peanut)Positive and negative results

13 papers: 4 positive, 9 negative or no effect

8 papers in the same direction as this paper · 4 in the opposite direction

  1. positive
  2. negative
  3. negative

9 papers more in this group

See all 13 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.