Paper · 2021 · Weed Technology

Characterization of carinata tolerance to select herbicides using field dose-response studies

Sandra R. Ethridge; Angela Post; Pratap Devkota; et al.

13
claims
27
verbatim quotes
9
citations
2
research areas
—
Not open access

Abstract

Abstract Field experiments were conducted from 2017 to 2019 to determine the tolerance of carinata to several preemergence and postemergence herbicides. Preliminary screenings identified herbicides that caused large variation on carinata injury, indicating the potential for selectivity. Dose-response field studies were conducted to quantify the tolerance of carinata to select herbicides. Diuron applied preemergence at rates of 280 g ai ha −1 or higher reduced carinata population density 54% to 84% compared to the nontreated control. In certain locations, clomazone applied preemergence caused minor injury with an acceptable level of carinata tolerance and only doses above 105 g ai ha −1 caused yield reductions. Napropamide doses of 2,856 g ai ha −1 or higher applied preemergence caused at least 25% injury to carinata; however, the damage was not severe enough to reduce yields. Simazine applied postemergence at rates above 1,594 g ai ha −1 caused 50% or more injury, resulting in yield losses ranging from 0% to 95% depending on location. Clopyralid applied postemergence at 2,512 g ai ha −1 caused 25% injury with relative yield reductions, which varied across locations. The present study identified clomazone and napropamide applied preemergence, and clopyralid applied postemergence as potential herbicides for weed control in carinata. In contrast, diuron, simazine, metribuzin, imazethapyr, and chlorimuron caused high levels of carinata mortality and can be used to control volunteer carinata plants in rotational crops.

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Claims 13

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Diuron applied preemergence at 280 g ai/ha or higher reduced carinata population density by 54% to 84%

Taxon
carinataBrassica carinatat0
Treatment
Diuron applied preemergencee0
Outcome
population densitye0
Direction
reducede0
Value
54% to 84%e0
Comparator
nontreated controle0

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

Brassica carinata
Brassica carinata · TaxonZtmcfaul · Public domain · Wikimedia Commons ↗

Verbatim

t0

“Characterization of carinata tolerance to select herbicides using field dose-response studies”

✓ located verbatim in the source · title, characters 0–93 · show in text ↑
e0

“Diuron applied preemergence at rates of 280 g ai ha −1 or higher reduced carinata population density 54% to 84% compared to the nontreated control”

✓ located verbatim in the source · abstract, characters 391–537 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Clomazone applied preemergence caused minor carinata injury with acceptable tolerance

Taxon
carinataBrassica carinatat0
Treatment
clomazone applied preemergencee1
Outcome
minor injurye1

Not reportedComparatorDirection

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

Brassica carinata
Brassica carinata · TaxonZtmcfaul · Public domain · Wikimedia Commons ↗

Verbatim

t0

“Characterization of carinata tolerance to select herbicides using field dose-response studies”

✓ located verbatim in the source · title, characters 0–93 · show in text ↑
e1

“clomazone applied preemergence caused minor injury with an acceptable level of carinata tolerance and only doses above 105 g ai ha −1 caused yield reductions”

✓ located verbatim in the source · abstract, characters 561–718 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Clomazone doses above 105 g ai/ha reduced carinata yield

Taxon
carinataBrassica carinatat0
Treatment
clomazone applied preemergencee1
Outcome
yielde1
Direction
reductionse1
Value
105 g ai ha −1e1

Not reportedComparator

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

Brassica carinata
Brassica carinata · TaxonZtmcfaul · Public domain · Wikimedia Commons ↗

Verbatim

t0

“Characterization of carinata tolerance to select herbicides using field dose-response studies”

✓ located verbatim in the source · title, characters 0–93 · show in text ↑
e1

“clomazone applied preemergence caused minor injury with an acceptable level of carinata tolerance and only doses above 105 g ai ha −1 caused yield reductions”

✓ located verbatim in the source · abstract, characters 561–718 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Napropamide at 2,856 g ai/ha or higher caused at least 25% carinata injury

Taxon
carinataBrassica carinatat0
Treatment
Napropamide doses of 2,856 g ai ha −1 or higher applied preemergencee2
Outcome
injurye2
Direction
increaseinferrede2
Value
at least 25%e2

Not reportedComparator

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

Brassica carinata
Brassica carinata · TaxonZtmcfaul · Public domain · Wikimedia Commons ↗

Verbatim

t0

“Characterization of carinata tolerance to select herbicides using field dose-response studies”

✓ located verbatim in the source · title, characters 0–93 · show in text ↑
e2

“Napropamide doses of 2,856 g ai ha −1 or higher applied preemergence caused at least 25% injury to carinata”

✓ located verbatim in the source · abstract, characters 720–827 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Napropamide injury did not reduce carinata yield

Taxon
carinataBrassica carinatat0
Treatment
Napropamidee2
Outcome
yieldse3
Direction
no_changeinferrede3

Not reportedComparator

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

Brassica carinata
Brassica carinata · TaxonZtmcfaul · Public domain · Wikimedia Commons ↗

Verbatim

t0

“Characterization of carinata tolerance to select herbicides using field dose-response studies”

✓ located verbatim in the source · title, characters 0–93 · show in text ↑
e2

“Napropamide doses of 2,856 g ai ha −1 or higher applied preemergence caused at least 25% injury to carinata”

✓ located verbatim in the source · abstract, characters 720–827 · show in text ↑
e3

“the damage was not severe enough to reduce yields”

✓ located verbatim in the source · abstract, characters 838–887 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Simazine at 1,594 g ai/ha or above caused 50% or more carinata injury

Taxon
carinataBrassica carinatat0
Treatment
Simazine applied postemergencee4
Outcome
injurye4
Direction
increaseinferrede4
Value
50% or moree4

Not reportedComparator

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

Brassica carinata
Brassica carinata · TaxonZtmcfaul · Public domain · Wikimedia Commons ↗

Verbatim

t0

“Characterization of carinata tolerance to select herbicides using field dose-response studies”

✓ located verbatim in the source · title, characters 0–93 · show in text ↑
e4

“Simazine applied postemergence at rates above 1,594 g ai ha −1 caused 50% or more injury, resulting in yield losses ranging from 0% to 95% depending on location”

✓ located verbatim in the source · abstract, characters 889–1049 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Simazine caused carinata yield losses ranging from 0% to 95%

Taxon
carinataBrassica carinatat0
Treatment
Simazine applied postemergencee4
Outcome
yield lossese4
Direction
increaseinferrede4
Value
0% to 95%e4

Not reportedComparator

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

Brassica carinata
Brassica carinata · TaxonZtmcfaul · Public domain · Wikimedia Commons ↗

Verbatim

t0

“Characterization of carinata tolerance to select herbicides using field dose-response studies”

✓ located verbatim in the source · title, characters 0–93 · show in text ↑
e4

“Simazine applied postemergence at rates above 1,594 g ai ha −1 caused 50% or more injury, resulting in yield losses ranging from 0% to 95% depending on location”

✓ located verbatim in the source · abstract, characters 889–1049 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Clopyralid at 2,512 g ai/ha caused 25% carinata injury

Taxon
carinataBrassica carinatat0
Treatment
Clopyralid applied postemergencee5
Outcome
injurye5
Direction
increaseinferrede5
Value
25%e5

Not reportedComparator

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

Brassica carinata
Brassica carinata · TaxonZtmcfaul · Public domain · Wikimedia Commons ↗

Verbatim

t0

“Characterization of carinata tolerance to select herbicides using field dose-response studies”

✓ located verbatim in the source · title, characters 0–93 · show in text ↑
e5

“Clopyralid applied postemergence at 2,512 g ai ha −1 caused 25% injury with relative yield reductions, which varied across locations”

✓ located verbatim in the source · abstract, characters 1051–1183 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Clopyralid relative yield reductions varied across locations

Taxon
carinataBrassica carinatat0
Treatment
Clopyralid applied postemergencee5
Outcome
relative yield reductionse5

Not reportedComparatorDirection

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

Brassica carinata
Brassica carinata · TaxonZtmcfaul · Public domain · Wikimedia Commons ↗

Verbatim

t0

“Characterization of carinata tolerance to select herbicides using field dose-response studies”

✓ located verbatim in the source · title, characters 0–93 · show in text ↑
e5

“Clopyralid applied postemergence at 2,512 g ai ha −1 caused 25% injury with relative yield reductions, which varied across locations”

✓ located verbatim in the source · abstract, characters 1051–1183 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Diuron, simazine and metribuzin caused high carinata mortality

Taxon
carinataBrassica carinatat0
Treatment
diuron, simazine, metribuzine6
Outcome
carinata mortalitye6
Direction
highe6

Not reportedComparator

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

Brassica carinata
Brassica carinata · TaxonZtmcfaul · Public domain · Wikimedia Commons ↗

Verbatim

t0

“Characterization of carinata tolerance to select herbicides using field dose-response studies”

✓ located verbatim in the source · title, characters 0–93 · show in text ↑
e6

“diuron, simazine, metribuzin, imazethapyr, and chlorimuron caused high levels of carinata mortality and can be used to control volunteer carinata plants in rotational crops”

✓ located verbatim in the source · abstract, characters 1366–1538 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Imazethapyr and chlorimuron caused high carinata mortality

Taxon
carinataBrassica carinatat0
Treatment
imazethapyr, and chlorimurone6
Outcome
carinata mortalitye6
Direction
highe6

Not reportedComparator

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

Brassica carinata
Brassica carinata · TaxonZtmcfaul · Public domain · Wikimedia Commons ↗

Verbatim

t0

“Characterization of carinata tolerance to select herbicides using field dose-response studies”

✓ located verbatim in the source · title, characters 0–93 · show in text ↑
e6

“diuron, simazine, metribuzin, imazethapyr, and chlorimuron caused high levels of carinata mortality and can be used to control volunteer carinata plants in rotational crops”

✓ located verbatim in the source · abstract, characters 1366–1538 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Clomazone and napropamide (preemergence) and clopyralid (postemergence) are potential herbicides for weed control in carinata

Taxon
carinataBrassica carinatat0
Outcome
potential herbicides for weed control in carinatae7

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

Brassica carinata
Brassica carinata · TaxonZtmcfaul · Public domain · Wikimedia Commons ↗

Verbatim

t0

“Characterization of carinata tolerance to select herbicides using field dose-response studies”

✓ located verbatim in the source · title, characters 0–93 · show in text ↑
e7

“identified clomazone and napropamide applied preemergence, and clopyralid applied postemergence as potential herbicides for weed control in carinata”

✓ located verbatim in the source · abstract, characters 1203–1351 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Diuron, simazine, metribuzin, imazethapyr and chlorimuron can control volunteer carinata in rotational crops

Taxon
carinataBrassica carinatat0
Outcome
control volunteer carinata plants in rotational cropse6

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

Brassica carinata
Brassica carinata · TaxonZtmcfaul · Public domain · Wikimedia Commons ↗

Verbatim

t0

“Characterization of carinata tolerance to select herbicides using field dose-response studies”

✓ located verbatim in the source · title, characters 0–93 · show in text ↑
e6

“diuron, simazine, metribuzin, imazethapyr, and chlorimuron caused high levels of carinata mortality and can be used to control volunteer carinata plants in rotational crops”

✓ located verbatim in the source · abstract, characters 1366–1538 · show in text ↑

herbicide · yield · Brassica carinata (Ethiopian mustard)Positive and negative results

3 papers: 1 positive, 2 negative or no effect

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

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

herbicide · crop injury · Brassica carinata (Ethiopian mustard)Results agree

2 papers: 0 positive, 2 negative or no effect

1 paper in the same direction as this paper

  1. negative
    All postemergence herbicides injured carinata more under hot summer stress than in winter Florida growth conditions.

    Carinata Tolerance to Preemergence and Postemergence Herbicides · 2017 · compared with more favorable conditions for growth in Florida (i.e. winter)

    Same directionCited by this paper

See all 2 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.