Abstract
Two glasshouse experiments were conducted at the Department of Plant Production, University of Helsinki, Finland, to study the effect of foliar application of aqueous 0.1 and 0.3M glycinebetaine on leaf growth of drought-stressed tobacco (Nicotiana tabacum L.) cv. Samsun. Leaf nitrogen and glycinebetaine concentrations were estimated periodically. After 16 days of treatment, leaves were harvested, and fresh and dry weights, and area determined. The number of total and green leaves was also recorded. Significant increases in leaf fresh and dry weights, and area were associated with glycinebetaine application, especially when drought was induced early. The application of 0.3M glycinebetaine reduced leaf area duration. Residual leaf glycinebetaine content remained high 16 days after application. The results indicate that exogenous glycinebetaine has the potential to improve the drought tolerance of leaf tobacco.
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Claims 4
Claim · model-written summary
Foliar glycinebetaine application significantly increased leaf fresh weight, dry weight and area of drought-stressed tobacco, especially when drought was induced early.
- Taxon
- tobacco
Nicotiana tabacume0 - Treatment
- glycinebetaine applicatione1
- Outcome
- leaf fresh and dry weights, and areae1
- Direction
- increasese1
- Qualifier
- especially when drought was induced earlye1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tobacco (Nicotiana tabacum L.)”
e1“Significant increases in leaf fresh and dry weights, and area were associated with glycinebetaine application, especially when drought was induced early”
Claim · model-written summary
Application of 0.3M glycinebetaine reduced leaf area duration of drought-stressed tobacco.
- Taxon
- tobaccoNicotiana tabacume0
- Treatment
- 0.3M glycinebetainee1
- Outcome
- leaf area duratione1
- Direction
- reducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tobacco (Nicotiana tabacum L.)”
e1“The application of 0.3M glycinebetaine reduced leaf area duration”
Claim · model-written summary
Residual leaf glycinebetaine content remained high 16 days after application.
- Taxon
- tobaccoNicotiana tabacume0
- Outcome
- Residual leaf glycinebetaine contente1
- Qualifier
- 16 days after applicatione1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tobacco (Nicotiana tabacum L.)”
e1“Residual leaf glycinebetaine content remained high 16 days after application”
Claim · model-written summary
The authors conclude that exogenous glycinebetaine has the potential to improve drought tolerance of leaf tobacco.
- Taxon
- tobaccoNicotiana tabacume0
- Treatment
- exogenous glycinebetainee0
- Outcome
- drought tolerancee0
- Direction
- improvee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous glycinebetaine has the potential to improve the drought tolerance of leaf tobacco”
The same questions in other papers
glycine betaine · tolerance: abiotic · Nicotiana tabacum (tobacco)Results agree
2 papers in the same direction as this paper
- positive
- positive
glycine betaine · growth · Nicotiana tabacum (tobacco)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 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.