Abstract
Summary. Wheat and barley treated with the butoxyethyl ester of 2,4‐D at 2, 4 and 8 kg/ha (a.e.) at the jointing stage of growth were analysed for the amino‐acid composition of the protein of the grain. A slight decrease in the threonine and arginine, and an increase in the proline content of wheat protein were observed. In barley, only methionine showed a slight increase as a result of herbicide treatment. No significant difference in the amino‐acid composition of the protein was found in grain from hand‐weeded and un‐weeded plots. High doses of 2,4‐D may increase the protein percentage, but have only a very minor effect on the amino‐acid composition of the protein.
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Claims 7
Claim · model-written summary
decrease in threonine content of wheat grain protein after herbicide treatment.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- butoxyethyl ester of 2,4‐De1
- Outcome
- threoninee0
- Direction
- decreaseinferrede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A slight decrease in the threonine and arginine, and an increase in the proline content of wheat protein were observed.”
e1“Wheat and barley treated with the butoxyethyl ester of 2,4‐D at 2, 4 and 8 kg/ha (a.e.) at the jointing stage of growth”
Claim · model-written summary
decrease in arginine content of wheat grain protein after herbicide treatment.
- Taxon
- wheatTriticum aestivume0
- Treatment
- butoxyethyl ester of 2,4‐De1
- Outcome
- argininee0
- Direction
- decreaseinferrede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A slight decrease in the threonine and arginine, and an increase in the proline content of wheat protein were observed.”
e1“Wheat and barley treated with the butoxyethyl ester of 2,4‐D at 2, 4 and 8 kg/ha (a.e.) at the jointing stage of growth”
Claim · model-written summary
increase in proline content of wheat grain protein after herbicide treatment.
- Taxon
- wheatTriticum aestivume0
- Treatment
- butoxyethyl ester of 2,4‐De1
- Outcome
- prolinee0
- Direction
- increaseinferrede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A slight decrease in the threonine and arginine, and an increase in the proline content of wheat protein were observed.”
e1“Wheat and barley treated with the butoxyethyl ester of 2,4‐D at 2, 4 and 8 kg/ha (a.e.) at the jointing stage of growth”
Claim · model-written summary
Herbicide treatment slightly increased methionine in barley.
- Taxon
- barley
.jpg?width=60)
Hordeum vulgaree0 - Treatment
- herbicide treatmente0
- Outcome
- methioninee0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“In barley, only methionine showed a slight increase as a result of herbicide treatment.”
Claim · model-written summary
Amino acid composition did not differ significantly between hand-weeded and un-weeded plots.
Verbatim
e0“No significant difference in the amino‐acid composition of the protein was found in grain from hand‐weeded and un‐weeded plots.”
t0“WHEAT AND BARLEY”
Claim · model-written summary
High 2,4-D doses may increase protein percentage.
Not reportedComparator
Verbatim
e0“High doses of 2,4‐D may increase the protein percentage, but have only a very minor effect on the amino‐acid composition of the protein.”
t0“WHEAT AND BARLEY”
Claim · model-written summary
High 2,4-D doses may have only a minor effect on amino acid composition.
Not reportedComparatorDirection
Verbatim
e0“High doses of 2,4‐D may increase the protein percentage, but have only a very minor effect on the amino‐acid composition of the protein.”
t0“WHEAT AND BARLEY”
The same questions in other papers
2,4-D · quality: protein · Triticum aestivum (wheat)Results differ
4 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
2 papers more in this group
See all 6 papers →ester · molecular: metabolites · Triticum aestivum (wheat)Positive and negative results
1 in the opposite direction
- positive
2,4-D · molecular: metabolites · Triticum aestivum (wheat)Positive and negative results
1 paper in the same direction as this paper · 4 in the opposite direction
- positive
- positive
- positive
2 papers more in this group
See all 6 papers →2,4-D · quality: protein · Hordeum vulgare (barley)Results agree
1 paper in the same direction as this paper
- positive
herbicide · molecular: metabolites · Hordeum vulgare (barley)Positive and negative results
4 papers in the same direction as this paper · 5 in the opposite direction
- no effect
- negative
- negative
6 papers more in this group
See all 10 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.