Paper · 1976 · Weed Science

Control of Volunteer Corn and Giant Foxtail in Soybeans

Robert N. Andersen

10
claims
16
verbatim quotes
33
citations
2
research areas
—
Not open access

Abstract

In field studies, HOE 22870 [4-(4′-chlorophenoxy)-phenoxy-α-propionic-isobutylester] and HOE 23408 methyl 2-[4-(2,4-dichlorophenoxy)phenoxy] propanoate at 0.84 to 3.36 kg/ha were sprayed over the top of soybeans [ Glycine max (L.) Merr.], corn ( Zea mays L.), and giant foxtail ( Setaria faberi Herrm.). Rates of 0.84 or 1.68 kg/ha of either herbicide controlled corn and giant foxtail. Soybeans tolerated 3.36 kg/ha (the highest rate used) of either herbicide. Both herbicides performed quite similarly, but HOE 22870 was generally more effective on giant foxtail and less effective on corn than was HOE 23408. The optimum time of application, in terms of soybean development, was the first trifoliolate stage. At this stage, corn had four to five leaves and giant foxtail had three to five leaves. HOE 23408 was applied to 32 inbred lines of corn in a greenhouse study. Several inbreds had considerable tolerance. When HOE 23408 at 0.56 kg/ha was applied to these 32 inbreds in a field study, control ranged from 100% for the most susceptible inbred to 22% for the most resistant inbred. At 1.12 kg/ha, control of corn ranged from 100% to 42%.

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Claims 10

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Herbicide rates of 0.84 or 1.68 kg/ha controlled corn and giant foxtail in soybean.

Taxon
soybeansGlycine maxe0
Treatment
0.84 or 1.68 kg/ha of either herbicidee1
Interactor
giant foxtaile1weed
Second interactor
cornZea mays subsp. mayse1weed
Outcome
controle1
Direction
controllede1

Not reportedComparator

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗
Zea mays subsp. mays
Zea mays subsp. mays · Second interactorDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“were sprayed over the top of soybeans”

✓ located verbatim in the source · abstract, characters 174–211 · show in text ↑
e1

“Rates of 0.84 or 1.68 kg/ha of either herbicide controlled corn and giant foxtail”

✓ located verbatim in the source · abstract, characters 304–385 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Soybeans tolerated the highest herbicide rate of 3.36 kg/ha.

Taxon
SoybeansGlycine maxe2
Treatment
3.36 kg/ha (the highest rate used) of either herbicidee2
Outcome
toleratede2

Not reportedComparatorDirection

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e2

“Soybeans tolerated 3.36 kg/ha (the highest rate used) of either herbicide”

✓ located verbatim in the source · abstract, characters 387–460 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

HOE 22870 was more effective than HOE 23408 on giant foxtail in soybean.

Taxon
soybeansGlycine maxe0
Treatment
HOE 22870e3
Interactor
giant foxtaile3weed
Outcome
effective on giant foxtaile3
Direction
more effectivee3
Comparator
HOE 23408e3

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“were sprayed over the top of soybeans”

✓ located verbatim in the source · abstract, characters 174–211 · show in text ↑
e3

“Both herbicides performed quite similarly, but HOE 22870 was generally more effective on giant foxtail and less effective on corn than was HOE 23408”

✓ located verbatim in the source · abstract, characters 462–610 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

HOE 22870 was less effective than HOE 23408 on corn in soybean.

Taxon
soybeansGlycine maxe0
Treatment
HOE 22870e3
Interactor
cornZea mays subsp. mayse3weed
Outcome
effective on corne3
Direction
less effectivee3
Comparator
HOE 23408e3

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗
Zea mays subsp. mays
Zea mays subsp. mays · InteractorDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“were sprayed over the top of soybeans”

✓ located verbatim in the source · abstract, characters 174–211 · show in text ↑
e3

“Both herbicides performed quite similarly, but HOE 22870 was generally more effective on giant foxtail and less effective on corn than was HOE 23408”

✓ located verbatim in the source · abstract, characters 462–610 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

The optimum time of herbicide application in soybean was the first trifoliolate stage.

Taxon
soybeanGlycine maxe4
Organ / stage
first trifoliolate stagee4
Outcome
optimum time of applicatione4

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e4

“The optimum time of application, in terms of soybean development, was the first trifoliolate stage”

✓ located verbatim in the source · abstract, characters 612–710 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Several corn inbred lines had considerable tolerance to HOE 23408 in a greenhouse study.

Material
32 inbred linese5
Treatment
HOE 23408e5
Outcome
tolerancee5
Qualifier
considerablee5
Setting
greenhouse studye5

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

Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e5

“HOE 23408 was applied to 32 inbred lines of corn in a greenhouse study. Several inbreds had considerable tolerance”

✓ located verbatim in the source · abstract, characters 800–914 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

The most susceptible corn inbred reached 100% control with HOE 23408 at 0.56 kg/ha in the field.

Material
most susceptible inbrede6
Treatment
HOE 23408 at 0.56 kg/hae6
Outcome
controle6
Value
100%e6
Setting
field studye6

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

Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e5

“HOE 23408 was applied to 32 inbred lines of corn in a greenhouse study. Several inbreds had considerable tolerance”

✓ located verbatim in the source · abstract, characters 800–914 · show in text ↑
e6

“When HOE 23408 at 0.56 kg/ha was applied to these 32 inbreds in a field study, control ranged from 100% for the most susceptible inbred to 22% for the most resistant inbred”

✓ located verbatim in the source · abstract, characters 916–1088 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

The most resistant corn inbred reached 22% control with HOE 23408 at 0.56 kg/ha in the field.

Material
most resistant inbrede6
Treatment
HOE 23408 at 0.56 kg/hae6
Outcome
controle6
Value
22%e6
Setting
field studye6

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

Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e5

“HOE 23408 was applied to 32 inbred lines of corn in a greenhouse study. Several inbreds had considerable tolerance”

✓ located verbatim in the source · abstract, characters 800–914 · show in text ↑
e6

“When HOE 23408 at 0.56 kg/ha was applied to these 32 inbreds in a field study, control ranged from 100% for the most susceptible inbred to 22% for the most resistant inbred”

✓ located verbatim in the source · abstract, characters 916–1088 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

HOE 23408 at 1.12 kg/ha gave control of corn ranging from 100% to 42% across inbreds.

Treatment
1.12 kg/hae7
Outcome
control of corne7
Value
100% to 42%e7

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

Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e7

“At 1.12 kg/ha, control of corn ranged from 100% to 42%”

✓ located verbatim in the source · abstract, characters 1090–1144 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Both herbicides performed quite similarly in soybean.

Taxon
soybeansGlycine maxe0
Treatment
Both herbicidese3
Outcome
performed quite similarlye3
Direction
no_changeinferrede3

Not reportedComparator

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“were sprayed over the top of soybeans”

✓ located verbatim in the source · abstract, characters 174–211 · show in text ↑
e3

“Both herbicides performed quite similarly, but HOE 22870 was generally more effective on giant foxtail and less effective on corn than was HOE 23408”

✓ located verbatim in the source · abstract, characters 462–610 · show in text ↑

herbicide · control · Glycine max (soybean)Positive and negative results

123 papers: 99 positive, 24 negative or no effect

98 papers in the same direction as this paper · 18 in the opposite direction · 6 reporting no difference from an alternative

  1. positive
  2. positive
  3. positive

119 papers more in this group

See all 123 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.