Abstract
Glycine betaine is a quaternary ammonium compound that is naturally accumulated in many higher plants, including cotton. Field studies suggested that glycine betaine might enhance cotton ( Gossypium hirsutum L.) yields under water deficient conditions, even though cotton is known to accumulate glycine betaine naturally. To test this, three field experiments in 1998 and 1999 were conducted in Arkansas to determine the effects of glycine betaine on cotton in response to water‐deficit stress. In general, no significant differences were found in yield components, physiological processes, or endogenous levels in glycine betaine treated cotton. Significant differences were found in endogenous levels of glycine betaine in response to water‐deficit stress. While it is possible that cotton's drought resistance is enhanced by endogenous glycine betaine accumulation, foliar applications of the compound do not appear to improve yield.
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Claims 4
Claim · model-written summary
Glycine betaine treatment produced no significant differences in cotton yield components.
- Taxon
- cotton
Gossypium hirsutume0 - Treatment
- glycine betaine treatede0
- Outcome
- yield componentse0
- Direction
- no significant differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no significant differences were found in yield components, physiological processes, or endogenous levels in glycine betaine treated cotton”
Claim · model-written summary
Glycine betaine treatment produced no significant differences in physiological processes.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- glycine betaine treatede0
- Outcome
- physiological processese0
- Direction
- no significant differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no significant differences were found in yield components, physiological processes, or endogenous levels in glycine betaine treated cotton”
Claim · model-written summary
Glycine betaine treatment produced no significant differences in endogenous levels.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- glycine betaine treatede0
- Outcome
- endogenous levelse0
- Direction
- no significant differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no significant differences were found in yield components, physiological processes, or endogenous levels in glycine betaine treated cotton”
Claim · model-written summary
Water deficit significantly changed endogenous glycine betaine levels, with direction unstated.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- water‐deficit stresse0
- Outcome
- endogenous levels of glycine betainee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significant differences were found in endogenous levels of glycine betaine in response to water‐deficit stress”
t0“Cotton”
The same questions in other papers
glycine betaine · yield · Gossypium hirsutum (cotton)Results differ
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 →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.