Abstract
Feeding and oviposition preferences of the boll weevil, Anthonomus grandis grandis Boheman, for four different cotton square size classes in field conditions of the Lower Rio Grande Valley of Texas were studied during 2002 and 2003. Percentages of large (5.5–8-mm-diameter) squares used for oviposition and feeding were greater than pinhead or match-head squares. The preference for large squares as food and associated accelerated fecundity explain the substantial boll weevil population buildups that occur after large squares form. Medium-sized (3–5.5-mm-diameter) squares also were used but less than large squares. Feeding and oviposition on pinhead (1–2-mm-diameter) and match-head (2–3-mm-diameter) squares were negligible. Although planting date did not affect oviposition or feeding preferences for squares larger than pinhead and match-head sizes, the least amount of either damage to large squares was found in the earliest plantings during both years. This study indicates that pinhead and match-head squares, regardless of planting date, do not require pesticide applications to protect against boll weevil feeding and oviposition.
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Claims 7
Claim · model-written summary
Large cotton squares were used for boll weevil oviposition and feeding more than pinhead or match-head squares.
- Taxon
- cotton
Gossypium hirsutumt0 - Treatment
- large (5.5–8-mm-diameter) squarese2
- Interactor
- boll weevil
Anthonomus grandise1pest - Outcome
- used for oviposition and feedinge2
- Direction
- greatere2
- Comparator
- pinhead or match-head squarese2
- Setting
- field conditions of the Lower Rio Grande Valley of Texase1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Square Sizes”
e1“Feeding and oviposition preferences of the boll weevil, Anthonomus grandis grandis Boheman, for four different cotton square size classes in field conditions of the Lower Rio Grande Valley of Texas were studied during 2002 and 2003”
e2“Percentages of large (5.5–8-mm-diameter) squares used for oviposition and feeding were greater than pinhead or match-head squares”
Claim · model-written summary
Boll weevil population buildups after large squares form are explained by weevil preference for large squares as food and associated accelerated fecundity.
- Taxon
- cottonGossypium hirsutumt0
- Interactor
- boll weevilAnthonomus grandise3pest
- Outcome
- boll weevil population buildupse3
- Qualifier
- preference for large squares as food and associated accelerated fecunditye3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Square Sizes”
e3“The preference for large squares as food and associated accelerated fecundity explain the substantial boll weevil population buildups that occur after large squares form”
Claim · model-written summary
Medium-sized cotton squares were used less than large squares by boll weevil.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- Medium-sized (3–5.5-mm-diameter) squarese4
- Interactor
- boll weevilAnthonomus grandise1pest
- Outcome
- usede4
- Direction
- lesse4
- Comparator
- large squarese4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Square Sizes”
e1“Feeding and oviposition preferences of the boll weevil, Anthonomus grandis grandis Boheman, for four different cotton square size classes in field conditions of the Lower Rio Grande Valley of Texas were studied during 2002 and 2003”
e4“Medium-sized (3–5.5-mm-diameter) squares also were used but less than large squares”
Claim · model-written summary
Boll weevil feeding and oviposition on pinhead and match-head cotton squares were negligible.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- pinhead (1–2-mm-diameter) and match-head (2–3-mm-diameter) squarese5
- Interactor
- boll weevilAnthonomus grandise1pest
- Outcome
- Feeding and ovipositione5
- Qualifier
- negligiblee5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Square Sizes”
e1“Feeding and oviposition preferences of the boll weevil, Anthonomus grandis grandis Boheman, for four different cotton square size classes in field conditions of the Lower Rio Grande Valley of Texas were studied during 2002 and 2003”
e5“Feeding and oviposition on pinhead (1–2-mm-diameter) and match-head (2–3-mm-diameter) squares were negligible”
Claim · model-written summary
Planting date did not affect boll weevil oviposition or feeding preferences for squares larger than pinhead and match-head sizes.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- planting datee6
- Interactor
- boll weevilAnthonomus grandise1pest
- Outcome
- oviposition or feeding preferencese6
- Direction
- no_changeinferrede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Square Sizes”
e1“Feeding and oviposition preferences of the boll weevil, Anthonomus grandis grandis Boheman, for four different cotton square size classes in field conditions of the Lower Rio Grande Valley of Texas were studied during 2002 and 2003”
e6“Although planting date did not affect oviposition or feeding preferences for squares larger than pinhead and match-head sizes, the least amount of either damage to large squares was found in the earliest plantings during both years”
Claim · model-written summary
The least damage to large cotton squares by boll weevil occurred in the earliest plantings.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- earliest plantingse6
- Interactor
- boll weevilAnthonomus grandise1pest
- Outcome
- damage to large squarese6
- Direction
- least amounte6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Square Sizes”
e1“Feeding and oviposition preferences of the boll weevil, Anthonomus grandis grandis Boheman, for four different cotton square size classes in field conditions of the Lower Rio Grande Valley of Texas were studied during 2002 and 2003”
e6“Although planting date did not affect oviposition or feeding preferences for squares larger than pinhead and match-head sizes, the least amount of either damage to large squares was found in the earliest plantings during both years”
Claim · model-written summary
Pinhead and match-head cotton squares do not require pesticide applications to protect against boll weevil, regardless of planting date.
- Taxon
- cottonGossypium hirsutumt0
- Interactor
- boll weevilAnthonomus grandise7pest
- Outcome
- do not require pesticide applicationse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Square Sizes”
e7“This study indicates that pinhead and match-head squares, regardless of planting date, do not require pesticide applications to protect against boll weevil feeding and oviposition”
The same questions in other papers
sowing time · Anthonomus grandis · Gossypium hirsutum (cotton)Positive and negative results
3 in the opposite direction
- positive
- positive
- 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.