Abstract
Effects of soil condition and burial on boll weevil, Anthonomus grandis grandis Boheman, mortality in fallen cotton, Gossypium hirsutum L., fruit were assessed in this study.During hot weather immediately after summer harvest operations in the Lower Rio Grande Valley of Texas, burial of infested fruit in conventionally tilled Þeld plots permitted signiÞcantly greater survival of weevils than in no-tillage plots.Burial of infested squares protected developing weevils from heat and desiccation that cause high mortality on the soil surface during and after harvest in midsummer and late summer.A laboratory assay showed that burial of infested squares resulted in signiÞcantly greater weevil mortality in wet than in dry sandy or clay soils.SigniÞcantly fewer weevils rose to the soil surface after burial of infested bolls during winter compared with bolls set on the soil surface, a likely result of wetting by winter rainfall.A combination of leaving infested fruit exposed to heat before the onset of cooler winter temperatures and burial by tillage when temperatures begin to cool might be an important tactic for reducing populations of boll weevils that overwinter in cotton Þelds.
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Claims 5
Claim · model-written summary
Burial of infested fruit in conventionally tilled plots gave significantly greater weevil survival than no-tillage plots.
- Taxon
- Gossypium hirsutum
Gossypium hirsutume0 - Treatment
- burial of infested fruite1
- Interactor
- boll weevil
Anthonomus grandise0pest - Outcome
- survival of weevilse1
- Direction
- greatere1
- Comparator
- no-tillage plotse1
- Setting
- Lower Rio Grande Valley of Texase1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Effects of soil condition and burial on boll weevil, Anthonomus grandis grandis Boheman, mortality in fallen cotton, Gossypium hirsutum L., fruit were assessed in this study”
e1“During hot weather immediately after summer harvest operations in the Lower Rio Grande Valley of Texas, burial of infested fruit in conventionally tilled Þeld plots permitted signiÞcantly greater survival of weevils than in no-tillage plots”
Claim · model-written summary
Burial of infested squares protected developing weevils from heat and desiccation on the soil surface.
- Taxon
- Gossypium hirsutumGossypium hirsutume0
- Treatment
- Burial of infested squarese2
- Interactor
- weevilsCurculionidaee2pest
- Outcome
- mortalitye2
- Direction
- protectede2
- Comparator
- soil surfacee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Effects of soil condition and burial on boll weevil, Anthonomus grandis grandis Boheman, mortality in fallen cotton, Gossypium hirsutum L., fruit were assessed in this study”
e2“Burial of infested squares protected developing weevils from heat and desiccation that cause high mortality on the soil surface during and after harvest in midsummer and late summer”
Claim · model-written summary
In a laboratory assay, burial of infested squares caused significantly greater weevil mortality in wet soils than in dry sandy or clay soils.
- Taxon
- Gossypium hirsutumGossypium hirsutume0
- Treatment
- burial of infested squarese3
- Interactor
- weevile3pest
- Outcome
- weevil mortalitye3
- Direction
- greatere3
- Comparator
- dry sandy or clay soilse3
- Setting
- laboratory assaye3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Effects of soil condition and burial on boll weevil, Anthonomus grandis grandis Boheman, mortality in fallen cotton, Gossypium hirsutum L., fruit were assessed in this study”
e3“A laboratory assay showed that burial of infested squares resulted in signiÞcantly greater weevil mortality in wet than in dry sandy or clay soils”
Claim · model-written summary
Significantly fewer weevils rose to the soil surface after burial of infested bolls during winter than after bolls were left on the surface.
- Taxon
- Gossypium hirsutumGossypium hirsutume0
- Treatment
- burial of infested bollse4
- Interactor
- weevilsCurculionidaee4pest
- Outcome
- weevils rose to the soil surfacee4
- Direction
- fewere4
- Comparator
- bolls set on the soil surfacee4
- Setting
- during wintere4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Effects of soil condition and burial on boll weevil, Anthonomus grandis grandis Boheman, mortality in fallen cotton, Gossypium hirsutum L., fruit were assessed in this study”
e4“SigniÞcantly fewer weevils rose to the soil surface after burial of infested bolls during winter compared with bolls set on the soil surface”
Claim · model-written summary
Leaving infested fruit exposed to heat before cooler winter temperatures, combined with tillage burial, might be an important tactic for reducing overwintering boll weevil populations.
- Taxon
- cottonGossypium hirsutume5
- Treatment
- burial by tillagee5
- Interactor
- boll weevilsAnthonomus grandise5pest
- Outcome
- populations of boll weevilse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“A combination of leaving infested fruit exposed to heat before the onset of cooler winter temperatures and burial by tillage when temperatures begin to cool might be an important tactic for reducing populations of boll weevils that overwinter in cotton Þelds”
The same questions in other papers
infection · pest · Gossypium hirsutum (cotton)Positive and negative results
1 paper in the same direction as this paper · 1 reporting no difference from an alternative
- no effect
- positive
infection · Curculionidae · Gossypium hirsutum (cotton)Results agree
1 paper in the same direction as this paper
- positive
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.