Paper · 2014 · Trends in Biosciences/Trends in biosciences

Efficacy of tank mixture herbicides for weed control in maize.

Kamaiah Inalli; B. N. Aravinda Kumar; Ramesh Babu

7
claims
12
verbatim quotes
1
citations
3
research areas
—
Not open access

Abstract

A field experiment was conducted under rainfed conditions during kharif 2013 at Agricultural College farm, University of Agricultural Sciences, Dharwad, to study the effect of different doses of herbicides and to evaluate their efficacy as tank-mixtures for weed control in maize. Weed free check recorded lowest weed dry weight and higher maize yields. Tank mixture application of Atrazine @ 0.625 kg ha 1 + pendimethalin @ 0.5 kg ha 1 fb 2,4-D @ 0.5 kg ha1 - also recorded higher weed control efficiency, lower weed dry weight. atrazine @ 0.625 kg ha1 + pendimethalin @ 0.5 kg ha 1 fb 2,4-D @ 0.5 kg ha1 (T4) has recorded higher net returns. Atrazine @ 0.625 kgha1 + oxyfluorfen @0.10 kg ha1 fb 2, 4-D @0.5 kgha1 (T5), and alachlor @ 0.75 kg ha1 + oxyfluorfen @ 0.10 kg ha1 fb 2, 4-D @ 0.5 kg ha1 (T8) resulted in lower yield due to their phytotoxicity effect when combined.

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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 7

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Weed-free plots had the lowest weed dry weight.

Taxon
maizeZea mayse0
Treatment
Weed free checke0
Interactor
Weede0weed
Outcome
weed dry weighte0
Direction
loweste0

Not reportedComparator

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Weed free check recorded lowest weed dry weight and higher maize yields.”

✓ located verbatim in the source · abstract, characters 281–353 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Weed-free plots had higher maize yields.

Taxon
maizeZea mayse0
Treatment
Weed free checke0
Interactor
Weede0weed
Outcome
maize yieldse0
Direction
highere0

Not reportedComparator

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Weed free check recorded lowest weed dry weight and higher maize yields.”

✓ located verbatim in the source · abstract, characters 281–353 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The atrazine, pendimethalin and 2,4-D mixture increased weed-control efficiency.

Taxon
maizeZea mayst0
Treatment
Atrazine @ 0.625 kg ha 1 + pendimethalin @ 0.5 kg ha 1 fb 2,4-D @ 0.5 kg ha1e0
Interactor
weede0weed
Outcome
weed control efficiencye0
Direction
highere0

Not reportedComparator

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Tank mixture application of Atrazine @ 0.625 kg ha 1 + pendimethalin @ 0.5 kg ha 1 fb 2,4-D @ 0.5 kg ha1 - also recorded higher weed control efficiency, lower weed dry weight.”

✓ located verbatim in the source · abstract, characters 354–529 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 56–61 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The atrazine, pendimethalin and 2,4-D mixture lowered weed dry weight.

Taxon
maizeZea mayst0
Treatment
Atrazine @ 0.625 kg ha 1 + pendimethalin @ 0.5 kg ha 1 fb 2,4-D @ 0.5 kg ha1e0
Interactor
weede0weed
Outcome
weed dry weighte0
Direction
lowere0

Not reportedComparator

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Tank mixture application of Atrazine @ 0.625 kg ha 1 + pendimethalin @ 0.5 kg ha 1 fb 2,4-D @ 0.5 kg ha1 - also recorded higher weed control efficiency, lower weed dry weight.”

✓ located verbatim in the source · abstract, characters 354–529 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 56–61 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Treatment T4 recorded higher net returns.

Taxon
maizeZea mayst0
Treatment
atrazine @ 0.625 kg ha1 + pendimethalin @ 0.5 kg ha 1 fb 2,4-D @ 0.5 kg ha1e0
Outcome
net returnse0
Direction
highere0

Not reportedComparator

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“atrazine @ 0.625 kg ha1 + pendimethalin @ 0.5 kg ha 1 fb 2,4-D @ 0.5 kg ha1 (T4) has recorded higher net returns.”

✓ located verbatim in the source · abstract, characters 530–643 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 56–61 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Treatment T5 gave lower yield attributed to phytotoxicity.

Taxon
maizeZea mayst0
Treatment
Atrazine @ 0.625 kgha1 + oxyfluorfen @0.10 kg ha1 fb 2, 4-D @0.5 kgha1e0
Outcome
yielde0
Direction
lowere0
Qualifier
phytotoxicity effecte0

Not reportedComparator

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Atrazine @ 0.625 kgha1 + oxyfluorfen @0.10 kg ha1 fb 2, 4-D @0.5 kgha1 (T5), and alachlor @ 0.75 kg ha1 + oxyfluorfen @ 0.10 kg ha1 fb 2, 4-D @ 0.5 kg ha1 (T8) resulted in lower yield due to their phytotoxicity effect when combined.”

✓ located verbatim in the source · abstract, characters 644–876 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 56–61 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Treatment T8 gave lower yield attributed to phytotoxicity.

Taxon
maizeZea mayst0
Treatment
alachlor @ 0.75 kg ha1 + oxyfluorfen @ 0.10 kg ha1 fb 2, 4-D @ 0.5 kg ha1e0
Outcome
yielde0
Direction
lowere0
Qualifier
phytotoxicity effecte0

Not reportedComparator

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Atrazine @ 0.625 kgha1 + oxyfluorfen @0.10 kg ha1 fb 2, 4-D @0.5 kgha1 (T5), and alachlor @ 0.75 kg ha1 + oxyfluorfen @ 0.10 kg ha1 fb 2, 4-D @ 0.5 kg ha1 (T8) resulted in lower yield due to their phytotoxicity effect when combined.”

✓ located verbatim in the source · abstract, characters 644–876 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 56–61 · show in text ↑

pendimethalin · yield · Zea mays (maize)Results differ

54 papers: 52 positive, 2 negative or no effect

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

  1. positive
  2. negative
  3. no effect

50 papers more in this group

See all 54 papers →

atrazine · weed · Zea mays (maize)Results differ

202 papers: 197 positive, 5 negative or no effect

196 papers in the same direction as this paper · 5 in the opposite direction

  1. positive
  2. positive
  3. negative

198 papers more in this group

See all 202 papers →

atrazine · yield · Zea mays (maize)Results differ

240 papers: 205 positive, 35 negative or no effect

204 papers in the same direction as this paper · 29 in the opposite direction · 6 reporting no difference from an alternative

  1. positive
  2. positive
  3. negative

236 papers more in this group

See all 240 papers →

Oxyfluorfen · yield · Zea mays (maize)Positive and negative results

3 papers: 2 positive, 1 negative or no effect

2 in the opposite direction

  1. positive
  2. positive
See all 3 papers →

alachlor · yield · Zea mays (maize)Positive and negative results

27 papers: 20 positive, 7 negative or no effect

6 papers in the same direction as this paper · 20 in the opposite direction

  1. positive
  2. positive
  3. positive

23 papers more in this group

See all 27 papers →

2,4-D · yield · Zea mays (maize)Positive and negative results

36 papers: 30 positive, 6 negative or no effect

29 papers in the same direction as this paper · 6 in the opposite direction

  1. negative
  2. negative
  3. negative

32 papers more in this group

See all 36 papers →

2,4-D · weed · Zea mays (maize)Positive and negative results

36 papers: 31 positive, 5 negative or no effect

30 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

32 papers more in this group

See all 36 papers →

pendimethalin · weed · Zea mays (maize)Positive and negative results

44 papers: 43 positive, 1 negative or no effect

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

  1. positive
  2. positive
  3. negative

40 papers more in this group

See all 44 papers →

8 of 10 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.

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.