Paper · 1991 · Tropical Pest Management

Methodology of the application of pyrethroids against cotton boll weevil and pink bollworm

F. S. Ramalho; J. V. Gonzaga

8
claims
9
verbatim quotes
8
citations
3
research areas
—
Not open access

Abstract

Abstract Field experiment was conducted at Queimadas, Paraiba, Brazil, during the cotton season of 1987 to evaluate methodologies of the application of Cyfluthrin EC and Cypermethrin ED against cotton boll weevil (Anthonomus grandis) and pink bollworm (Pectinophora gossypiella). The results obtained showed that: (1) Cytfluthrin EC, at 15 g, 20 g and 40 g a.i./ha, applied with handoperated knapsack sprayer along every row and alternate cotton rows, and Cypermethrin ED, at 3–91 g and 7–81 g a.i./ha, applied with ElectroDyn sprayer nozzle taken along alternate and interrow space, respectively, are effective for the control of the cotton boll weevil and pink bollworm. (2) Optimum methodologies of application of Cyfluthrin EC and Cypermethrin ED to control cotton boll weevil and pink bollworm are spraying the insecticides in alternate rows and inter‐row spaces, respectively. (3) The percentage of damage loculi of boll by cotton boll weevil is not suitablé for evaluating insecticides against cotton boll weevil. (4) The decreased dosages and specific placement of the Cyfluthrin EC and Cypermethrin ED in relation to pest behaviour are important tools in programmes of cotton boll weevil and pink bollworm management.

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Claims 8

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Cyfluthrin EC applied along every row controlled cotton boll weevil.

Treatment
Cytfluthrin EC, at 15 g, 20 g and 40 g a.i./ha, applied with handoperated knapsack sprayer along every rowe0
Interactor
cotton boll weevile0pest
Outcome
control of the cotton boll weevile0

Not reportedComparatorDirection

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Cytfluthrin EC, at 15 g, 20 g and 40 g a.i./ha, applied with handoperated knapsack sprayer along every row and alternate cotton rows, and Cypermethrin ED, at 3–91 g and 7–81 g a.i./ha, applied with ElectroDyn sprayer nozzle taken along alternate and interrow space, respectively, are effective for the control of the cotton boll weevil and pink bollworm”

✓ located verbatim in the source · abstract, characters 318–671 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Cyfluthrin EC applied in alternate cotton rows controlled pink bollworm.

Treatment
Cytfluthrin EC, at 15 g, 20 g and 40 g a.i./ha, applied with handoperated knapsack sprayer along every row and alternate cotton rowse0
Interactor
pink bollwormPectinophora gossypiellae0pest
Outcome
control of the cotton boll weevil and pink bollworme0

Not reportedComparatorDirection

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗
Pectinophora gossypiella
Pectinophora gossypiella · InteractorAlbertonatureza · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Cytfluthrin EC, at 15 g, 20 g and 40 g a.i./ha, applied with handoperated knapsack sprayer along every row and alternate cotton rows, and Cypermethrin ED, at 3–91 g and 7–81 g a.i./ha, applied with ElectroDyn sprayer nozzle taken along alternate and interrow space, respectively, are effective for the control of the cotton boll weevil and pink bollworm”

✓ located verbatim in the source · abstract, characters 318–671 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Cypermethrin ED applied along alternate rows controlled cotton boll weevil.

Treatment
Cypermethrin ED, at 3–91 g and 7–81 g a.i./ha, applied with ElectroDyn sprayer nozzle taken along alternate and interrow spacee0
Interactor
cotton boll weevile0pest
Outcome
control of the cotton boll weevile0

Not reportedComparatorDirection

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Cypermethrin ED, at 3–91 g and 7–81 g a.i./ha, applied with ElectroDyn sprayer nozzle taken along alternate and interrow space, respectively, are effective for the control of the cotton boll weevil and pink bollworm”

✓ located verbatim in the source · abstract, characters 456–671 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Cypermethrin ED applied in interrow space controlled pink bollworm.

Treatment
Cypermethrin ED, at 3–91 g and 7–81 g a.i./ha, applied with ElectroDyn sprayer nozzle taken along alternate and interrow spacee0
Interactor
pink bollwormPectinophora gossypiellae0pest
Outcome
control of the cotton boll weevil and pink bollworme0

Not reportedComparatorDirection

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗
Pectinophora gossypiella
Pectinophora gossypiella · InteractorAlbertonatureza · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Cypermethrin ED, at 3–91 g and 7–81 g a.i./ha, applied with ElectroDyn sprayer nozzle taken along alternate and interrow space, respectively, are effective for the control of the cotton boll weevil and pink bollworm”

✓ located verbatim in the source · abstract, characters 456–671 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Alternate-row spraying of Cyfluthrin EC was identified as optimal for cotton pest control.

Treatment
Cyfluthrin ECe0
Interactor
cotton boll weevile0pest
Outcome
spraying the insecticides in alternate rowse0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Optimum methodologies of application of Cyfluthrin EC and Cypermethrin ED to control cotton boll weevil and pink bollworm are spraying the insecticides in alternate rows and inter‐row spaces, respectively”

✓ located verbatim in the source · abstract, characters 677–881 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Interrow spraying of Cypermethrin ED was identified as optimal for cotton pest control.

Treatment
Cypermethrin EDe0
Interactor
pink bollwormPectinophora gossypiellae0pest
Outcome
inter‐row spacese0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗
Pectinophora gossypiella
Pectinophora gossypiella · InteractorAlbertonatureza · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Optimum methodologies of application of Cyfluthrin EC and Cypermethrin ED to control cotton boll weevil and pink bollworm are spraying the insecticides in alternate rows and inter‐row spaces, respectively”

✓ located verbatim in the source · abstract, characters 677–881 · show in text ↑
Method / resourceobservedoriginal resultnegativemeasured

Claim · model-written summary

Percentage of damaged boll loculi was unsuitable for evaluating insecticides against cotton boll weevil.

Interactor
cotton boll weevile0pest
Outcome
percentage of damage loculi of boll by cotton boll weevile0
Direction
not suitablée0
Comparator
Cyfluthrin EC and Cypermethrin EDe1

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The percentage of damage loculi of boll by cotton boll weevil is not suitablé for evaluating insecticides against cotton boll weevil”

✓ located verbatim in the source · abstract, characters 887–1019 · show in text ↑
e1

“application of Cyfluthrin EC and Cypermethrin ED to control cotton boll weevil and pink bollworm”

✓ located verbatim in the source · abstract, characters 702–798 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Reduced doses and specific placement of the insecticides were considered important for cotton pest management.

Interactor
cotton boll weevile0pest
Second interactor
pink bollwormPectinophora gossypiellae0pest
Outcome
decreased dosages and specific placement of the Cyfluthrin EC and Cypermethrin EDe0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗
Pectinophora gossypiella
Pectinophora gossypiella · Second interactorAlbertonatureza · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The decreased dosages and specific placement of the Cyfluthrin EC and Cypermethrin ED in relation to pest behaviour are important tools in programmes of cotton boll weevil and pink bollworm management”

✓ located verbatim in the source · abstract, characters 1025–1225 · show in text ↑

cypermethrin · Pectinophora gossypiella · Gossypium hirsutum (cotton)Positive and negative results

7 papers: 6 positive, 1 negative or no effect

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

  1. negative
  2. positive
  3. positive

3 papers more in this group

See all 7 papers →

application · Pectinophora gossypiella · Gossypium hirsutum (cotton)Positive and negative results

13 papers: 12 positive, 1 negative or no effect

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

  1. negative
  2. positive
  3. positive

9 papers more in this group

See all 13 papers →

application · control · Gossypium hirsutum (cotton)Positive and negative results

15 papers: 11 positive, 4 negative or no effect

10 papers in the same direction as this paper · 3 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
  2. negative
  3. no effect

11 papers more in this group

See all 15 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.