Abstract
An experiment was conducted at five locations in North Carolina during 2000 and 2001 to evaluate weed control, crop injury, and cotton yield. Weed management systems included different combinations of pyrithiobac preemergence (PRE), fluometuron PRE, CGA-362622 postemergence (POST), pyrithiobac POST, and monosodium salt of methylarsonic acid (MSMA) plus prometryn applied late POST-directed (LAYBY). At Goldsboro in 2000, cotton was injured 74 to 78% by CGA-362622 POST when evaluated 4 to 7 d after treatment (DAT). Injury at Clayton, Goldsboro, and Lewiston in 2001 and Rocky Mount in 2000 was less than 16% 4 to 7 DAT with the same treatment and was not apparent by 62 DAT. CGA-362622 controlled common lambsquarters, common ragweed, Palmer amaranth, sicklepod, smooth pigweed, and Ipomoea species including entireleaf, ivyleaf, and pitted morningglory, and the addition of pyrithiobac to the herbicide system, either PRE or POST, increased control of Amaranthus species, jimsonweed, and prickly sida. CGA-362622 did not control jimsonweed or prickly sida. Fluometuron PRE, pyrithiobac PRE, and MSMA plus prometryn LAYBY were beneficial for increasing weed control and cotton lint yields. Prometryn plus MSMA LAYBY increased control of common ragweed, entireleaf morningglory, jimsonweed, pitted morningglory, and smooth pigweed and provided higher cotton yields than similar systems without a LAYBY. The greatest weed control and greatest cotton lint yields required complete weed management systems that included a combination of PRE, POST, and LAYBY treatments.
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Claims 9
Claim · model-written summary
CGA-362622 caused 74 to 78% cotton injury at Goldsboro shortly after application.
- Taxon
- cotton
Gossypium hirsutume1 - Treatment
- CGA-362622 POSTe0
- Outcome
- cotton was injurede0
- Direction
- injurede0
- Value
- 74 to 78%e0
- Qualifier
- 4 to 7 d after treatment (DAT)e0
- Setting
- Goldsboroe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At Goldsboro in 2000, cotton was injured 74 to 78% by CGA-362622 POST when evaluated 4 to 7 d after treatment (DAT).”
e1“crop injury, and cotton yield”
Claim · model-written summary
Cotton injury from the same treatment was below 16% at other sites and disappeared by day 62.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- same treatmente0
- Outcome
- Injurye0
- Direction
- less thane0
- Value
- 16%e0
- Qualifier
- not apparent by 62 DATe0
- Setting
- Clayton, Goldsboro, and Lewistone0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Injury at Clayton, Goldsboro, and Lewiston in 2001 and Rocky Mount in 2000 was less than 16% 4 to 7 DAT with the same treatment and was not apparent by 62 DAT.”
e1“crop injury, and cotton yield”
Claim · model-written summary
CGA-362622 controlled six named weed groups in cotton.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- CGA-362622e0
- Interactor
- common lambsquarters
Chenopodium albume0weed - Outcome
- controllede0
- Direction
- controllede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CGA-362622 controlled common lambsquarters, common ragweed, Palmer amaranth, sicklepod, smooth pigweed, and Ipomoea species including entireleaf, ivyleaf, and pitted morningglory”
e1“crop injury, and cotton yield”
Claim · model-written summary
Adding pyrithiobac increased control of Amaranthus species, jimsonweed and prickly sida.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- addition of pyrithiobace0
- Interactor
- Amaranthus species
_with_green_foliage%2C_photographed_in_Tamil_Nadu%2C_India.jpg?width=60)
Amaranthuse0weed - Outcome
- control of Amaranthus species, jimsonweed, and prickly sidae0
- Direction
- increasede0
- Comparator
- herbicide systeme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_with_green_foliage%2C_photographed_in_Tamil_Nadu%2C_India.jpg?width=500)
Verbatim
e0“the addition of pyrithiobac to the herbicide system, either PRE or POST, increased control of Amaranthus species, jimsonweed, and prickly sida.”
e1“crop injury, and cotton yield”
Claim · model-written summary
CGA-362622 did not control jimsonweed or prickly sida.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- CGA-362622e0
- Interactor
- jimsonweed
.jpg?width=60)
Datura stramoniume0weed - Outcome
- control jimsonweed or prickly sidae0
- Direction
- did not controle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“CGA-362622 did not control jimsonweed or prickly sida.”
e1“crop injury, and cotton yield”
Claim · model-written summary
Preemergence fluometuron and pyrithiobac plus late MSMA with prometryn increased weed control and cotton lint yield.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- Fluometuron PRE, pyrithiobac PRE, and MSMA plus prometryn LAYBYe0
- Outcome
- weed control and cotton lint yieldse0
- Direction
- increasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fluometuron PRE, pyrithiobac PRE, and MSMA plus prometryn LAYBY were beneficial for increasing weed control and cotton lint yields.”
e1“crop injury, and cotton yield”
Claim · model-written summary
Late prometryn plus MSMA increased control of five weeds.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- Prometryn plus MSMA LAYBYe0
- Interactor
- common ragweed
Ambrosia artemisiifoliae0weed - Outcome
- control of common ragweed, entireleaf morningglory, jimsonweed, pitted morningglory, and smooth pigweede0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Prometryn plus MSMA LAYBY increased control of common ragweed, entireleaf morningglory, jimsonweed, pitted morningglory, and smooth pigweed”
e1“crop injury, and cotton yield”
Claim · model-written summary
Late prometryn plus MSMA produced higher cotton yield than comparable systems without a late treatment.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- Prometryn plus MSMA LAYBYe0
- Outcome
- cotton yieldse0
- Direction
- highere0
- Comparator
- similar systems without a LAYBYe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Prometryn plus MSMA LAYBY increased control of common ragweed, entireleaf morningglory, jimsonweed, pitted morningglory, and smooth pigweed and provided higher cotton yields than similar systems without a LAYBY.”
e1“crop injury, and cotton yield”
Claim · model-written summary
The greatest weed control and cotton lint yield required complete preemergence, postemergence and late herbicide systems.
- Taxon
- cottonGossypium hirsutume1
- Outcome
- greatest weed control and greatest cotton lint yieldse0
- Qualifier
- complete weed management systemse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The greatest weed control and greatest cotton lint yields required complete weed management systems that included a combination of PRE, POST, and LAYBY treatments.”
e1“crop injury, and cotton yield”
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