Abstract
Abstract The need for an effective and nontoxic preharvest desiccant for grain sorghum ( Sorghum bicolor (L.) Moench) has been recognized for many years. Studies were conducted to compare glyphosate [(N‐phosphonomethyl) glycine] to sodium chlorate and paraquat (1,1'‐dimethyl‐4,4'‐bipyridinium ion) on hybrids RS 626 and Tophand. Glyphosate was more effective than sodium chlorate or paraquat in reducing grain, leaf, and stem moisture content. Glyphosate reduced grain moisture content to 13% or lower within 1 week after treatment from original grain moisture content of 20, 30 or 40%. Glyphosate prevented growth of axillary buds of grain sorghum and killed all established johnsongrass and Coloradograss in treated agreas. Lodging of grain sorghum was insignificant for 3 weeks following glyphosate treatment, despite heavy rainfall and high wind velocity. Germination of treated grain was not affected by glyphosate at rates of 0.56 and 1.12 kg/ha. The low mammalian toxicity and the absence of phytotoxicity from soil residue suggests that glyphosate may be a valuable preharvest grain sorghum desiccant.
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Claims 7
Claim · model-written summary
Glyphosate was more effective than sodium chlorate or paraquat in reducing grain, leaf and stem moisture content of grain sorghum.
- Taxon
- grain sorghum
Sorghum bicolore0 - Treatment
- Glyphosatee1
- Outcome
- reducing grain, leaf, and stem moisture contente1
- Direction
- more effectivee1
- Comparator
- sodium chlorate or paraquate1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The need for an effective and nontoxic preharvest desiccant for grain sorghum ( Sorghum bicolor (L.) Moench) has been recognized for many years”
e1“Glyphosate was more effective than sodium chlorate or paraquat in reducing grain, leaf, and stem moisture content”
Claim · model-written summary
Glyphosate reduced grain moisture content of grain sorghum to 13% or lower within 1 week after treatment.
- Taxon
- grain sorghumSorghum bicolore0
- Treatment
- Glyphosatee2
- Outcome
- grain moisture contente2
- Direction
- reducede2
- Value
- 13% or lowere2
- Qualifier
- within 1 week after treatmente2
- Comparator
- original grain moisture content of 20, 30 or 40%e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The need for an effective and nontoxic preharvest desiccant for grain sorghum ( Sorghum bicolor (L.) Moench) has been recognized for many years”
e2“Glyphosate reduced grain moisture content to 13% or lower within 1 week after treatment from original grain moisture content of 20, 30 or 40%”
Claim · model-written summary
Glyphosate prevented axillary bud growth in grain sorghum.
- Taxon
- grain sorghumSorghum bicolore0
- Treatment
- Glyphosatee3
- Outcome
- growth of axillary budse3
- Direction
- preventede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The need for an effective and nontoxic preharvest desiccant for grain sorghum ( Sorghum bicolor (L.) Moench) has been recognized for many years”
e3“Glyphosate prevented growth of axillary buds of grain sorghum”
Claim · model-written summary
Glyphosate killed all established johnsongrass and Coloradograss in treated areas of grain sorghum.
- Taxon
- grain sorghumSorghum bicolore0
- Treatment
- Glyphosatee4
- Interactor
- johnsongrass
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Sorghum halepensee4weed - Second interactor
- Coloradograsse4weed
- Outcome
- established johnsongrass and Coloradograsse4
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“The need for an effective and nontoxic preharvest desiccant for grain sorghum ( Sorghum bicolor (L.) Moench) has been recognized for many years”
e4“Glyphosate prevented growth of axillary buds of grain sorghum and killed all established johnsongrass and Coloradograss”
Claim · model-written summary
Lodging of grain sorghum was insignificant for 3 weeks after glyphosate treatment, despite heavy rainfall and high wind.
- Taxon
- grain sorghumSorghum bicolore0
- Treatment
- glyphosate treatmente5
- Outcome
- Lodginge5
- Direction
- insignificante5
- Qualifier
- despite heavy rainfall and high wind velocitye5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The need for an effective and nontoxic preharvest desiccant for grain sorghum ( Sorghum bicolor (L.) Moench) has been recognized for many years”
e5“Lodging of grain sorghum was insignificant for 3 weeks following glyphosate treatment, despite heavy rainfall and high wind velocity”
Claim · model-written summary
Germination of treated grain was not affected by glyphosate at 0.56 and 1.12 kg/ha.
- Taxon
- grain sorghumSorghum bicolore0
- Treatment
- glyphosate at rates of 0.56 and 1.12 kg/hae6
- Outcome
- Germination of treated graine6
- Direction
- not affectede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The need for an effective and nontoxic preharvest desiccant for grain sorghum ( Sorghum bicolor (L.) Moench) has been recognized for many years”
e6“Germination of treated grain was not affected by glyphosate at rates of 0.56 and 1.12 kg/ha”
Claim · model-written summary
Low mammalian toxicity and absence of phytotoxicity from soil residue suggest glyphosate may be a valuable preharvest desiccant for grain sorghum.
- Taxon
- grain sorghumSorghum bicolore0
- Outcome
- valuable preharvest grain sorghum desiccante7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The need for an effective and nontoxic preharvest desiccant for grain sorghum ( Sorghum bicolor (L.) Moench) has been recognized for many years”
e7“The low mammalian toxicity and the absence of phytotoxicity from soil residue suggests that glyphosate may be a valuable preharvest grain sorghum desiccant”
The same questions in other papers
glyphosate · growth · Sorghum bicolor (sorghum)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
glyphosate · Sorghum halepense · Sorghum bicolor (sorghum)Results agree
2 papers in the same direction as this paper
- 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.