Abstract
During 1958 studies of the preferred feeding and egg-laying sites of the boll weevil (Anthonomus grandis Boheman) were conducted at Stoneville, Miss. Females damaged the fruit of the cotton plant more than males. The preferred feeding and egg-laying sites were the squares on the upper half of the plants when the population was low. As the population increased, small bolls were damaged as well as squares; the damage was intensified on the upper portions of the plants and reached into the lower fruiting branches. Bolls from 1 to 19 days old were subject to weevil damage. Exposure of the cotton plant to feeding and egg laying by the boll weevil for 4 or 5 days resulted initially in increased square abscission and slightly reduced boll abscission. No difference occurred in total boll set for the entire season between the test and check plants.
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Claims 7
Claim · model-written summary
Female weevils damaged cotton fruit more than males.
- Taxon
- cotton plant
Gossypium hirsutume0 - Interactor
- boll weevil
Anthonomus grandist0pest - Outcome
- fruit of the cotton plante0
- Direction
- moree0
- Comparator
- malese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Females damaged the fruit of the cotton plant more than males.”
t0“boll weevil”
Claim · model-written summary
At low population, weevils preferred upper squares for feeding and egg laying.
- Taxon
- cotton plantGossypium hirsutumt0
- Organ / stage
- squarese0
- Interactor
- boll weevilAnthonomus grandist1pest
- Outcome
- preferred feeding and egg-laying sitese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The preferred feeding and egg-laying sites were the squares on the upper half of the plants when the population was low.”
t0“Cotton Plant”
t1“Boll Weevil”
Claim · model-written summary
With higher weevil population, damage extended to small bolls and lower branches.
- Taxon
- cotton plantGossypium hirsutumt0
- Interactor
- boll weevilAnthonomus grandist1pest
- Outcome
- small bolls were damagede0
- Direction
- intensifiede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“As the population increased, small bolls were damaged as well as squares; the damage was intensified on the upper portions of the plants and reached into the lower fruiting branches.”
t0“Cotton Plant”
t1“Boll Weevil”
Claim · model-written summary
Bolls aged 1 to 19 days were susceptible to weevil damage.
- Taxon
- cotton plantGossypium hirsutumt0
- Organ / stage
- Bollse0
- Interactor
- boll weevilAnthonomus grandist1pest
- Outcome
- weevil damagee0
- Qualifier
- 1 to 19 days olde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Bolls from 1 to 19 days old were subject to weevil damage.”
t0“Cotton Plant”
t1“Boll Weevil”
Claim · model-written summary
Four or five days of weevil exposure initially increased square abscission.
- Taxon
- cotton plantGossypium hirsutume0
- Treatment
- Exposure of the cotton plant to feeding and egg laying by the boll weevil for 4 or 5 dayse0
- Interactor
- boll weevilAnthonomus grandise0pest
- Outcome
- square abscissione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Exposure of the cotton plant to feeding and egg laying by the boll weevil for 4 or 5 days resulted initially in increased square abscission and slightly reduced boll abscission.”
Claim · model-written summary
Four or five days of weevil exposure slightly reduced boll abscission.
- Taxon
- cotton plantGossypium hirsutume0
- Treatment
- Exposure of the cotton plant to feeding and egg laying by the boll weevil for 4 or 5 dayse0
- Interactor
- boll weevilAnthonomus grandise0pest
- Outcome
- boll abscissione0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Exposure of the cotton plant to feeding and egg laying by the boll weevil for 4 or 5 days resulted initially in increased square abscission and slightly reduced boll abscission.”
Claim · model-written summary
Seasonal total boll set did not differ between test and check plants.
- Taxon
- cotton plantGossypium hirsutumt0
- Treatment
- teste0
- Outcome
- total boll sete0
- Direction
- No differencee0
- Comparator
- check plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No difference occurred in total boll set for the entire season between the test and check plants.”
t0“Cotton Plant”
The same questions in other papers
Anthonomus grandis · yield · Gossypium hirsutum (cotton)Results agree
2 papers in the same direction as this paper
- positive
- positive
infection · yield · Gossypium hirsutum (cotton)Positive and negative results
4 papers in the same direction as this paper · 12 in the opposite direction
- no effect
- no effect
- negative
13 papers more in this group
See all 17 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.