Abstract
The effect of exogenously applied brassinolide (BR) at various concentrations viz. 0.01, 0.1 and 1.0 mg/l on growth and physiological attributes of Leymus chinensis (Trin.) Tzvel. was studied at low temperature stress in a pot culture. Foliar application of BR exerted an ameliorative effect on plant height, leaf area, plant fresh and dry weight, chlorophyll a and b, total chlorophyll, carotenoids and chlorophyll a/b ratio, while, further boosting the accumulation of proline, soluble proteins and sugars, exaggerating the activity of antioxidant enzymes and reducing the accumulation of Malendialdehye (MDA). And the highest value was obtained by treatment with 0.1 mg/l BR. The application of BR enhanced the growth and development of L. chinensis under low temperature stress by improving the biosynthesis of photosynthetic pigments and reducing MDA accumulation by modulating the osmolyte contents and activity of antioxidant enzymes.
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Claims 9
Claim · model-written summary
Foliar brassinolide improved plant height and leaf area of Leymus chinensis under low temperature stress in pot culture.
- Taxon
- Leymus chinensisLeymus chinensist0
- Treatment
- Foliar application of BRe0
- Outcome
- plant height, leaf areae0
- Direction
- increaseinferrede0
- Qualifier
- low temperature stresse1
- Setting
- pot culturee1
Not reportedComparator
Verbatim
t0“Leymus chinensis”
e0“Foliar application of BR exerted an ameliorative effect on plant height, leaf area”
e1“at low temperature stress in a pot culture”
Claim · model-written summary
Foliar brassinolide improved plant fresh and dry weight of Leymus chinensis under low temperature stress.
- Taxon
- Leymus chinensisLeymus chinensist0
- Treatment
- Foliar application of BRe0
- Outcome
- plant fresh and dry weighte1
- Direction
- increaseinferrede1
- Qualifier
- low temperature stresse2
- Setting
- pot culturee2
Not reportedComparator
Verbatim
t0“Leymus chinensis”
e0“Foliar application of BR”
e1“plant fresh and dry weight”
e2“at low temperature stress in a pot culture”
Claim · model-written summary
Foliar brassinolide improved chlorophyll a, chlorophyll b and total chlorophyll of Leymus chinensis under low temperature stress.
- Taxon
- Leymus chinensisLeymus chinensist0
- Treatment
- Foliar application of BRe0
- Outcome
- chlorophyll a and b, total chlorophylle1
- Direction
- increaseinferrede1
- Qualifier
- low temperature stresse2
- Setting
- pot culturee2
Not reportedComparator
Verbatim
t0“Leymus chinensis”
e0“Foliar application of BR”
e1“chlorophyll a and b, total chlorophyll”
e2“at low temperature stress in a pot culture”
Claim · model-written summary
Foliar brassinolide improved carotenoids and the chlorophyll a/b ratio of Leymus chinensis under low temperature stress.
- Taxon
- Leymus chinensisLeymus chinensist0
- Treatment
- Foliar application of BRe0
- Outcome
- carotenoids and chlorophyll a/b ratioe1
- Direction
- increaseinferrede1
- Qualifier
- low temperature stresse2
- Setting
- pot culturee2
Not reportedComparator
Verbatim
t0“Leymus chinensis”
e0“Foliar application of BR”
e1“carotenoids and chlorophyll a/b ratio”
e2“at low temperature stress in a pot culture”
Claim · model-written summary
Foliar brassinolide further boosted accumulation of proline, soluble proteins and sugars in Leymus chinensis under low temperature stress.
- Taxon
- Leymus chinensisLeymus chinensist0
- Treatment
- Foliar application of BRe0
- Outcome
- accumulation of proline, soluble proteins and sugarse1
- Direction
- boostinge1
- Qualifier
- low temperature stresse2
- Setting
- pot culturee2
Not reportedComparator
Verbatim
t0“Leymus chinensis”
e0“Foliar application of BR”
e1“further boosting the accumulation of proline, soluble proteins and sugars”
e2“at low temperature stress in a pot culture”
Claim · model-written summary
Foliar brassinolide increased the activity of antioxidant enzymes in Leymus chinensis under low temperature stress.
- Taxon
- Leymus chinensisLeymus chinensist0
- Treatment
- Foliar application of BRe0
- Outcome
- activity of antioxidant enzymese1
- Direction
- exaggeratinge1
- Qualifier
- low temperature stresse2
- Setting
- pot culturee2
Not reportedComparator
Verbatim
t0“Leymus chinensis”
e0“Foliar application of BR”
e1“exaggerating the activity of antioxidant enzymes”
e2“at low temperature stress in a pot culture”
Claim · model-written summary
Foliar brassinolide reduced accumulation of malondialdehyde (MDA) in Leymus chinensis under low temperature stress.
- Taxon
- Leymus chinensisLeymus chinensist0
- Treatment
- Foliar application of BRe0
- Outcome
- accumulation of Malendialdehye (MDA)e1
- Direction
- reducinge1
- Qualifier
- low temperature stresse2
- Setting
- pot culturee2
Not reportedComparator
Verbatim
t0“Leymus chinensis”
e0“Foliar application of BR”
e1“reducing the accumulation of Malendialdehye (MDA)”
e2“at low temperature stress in a pot culture”
Claim · model-written summary
The highest values of the measured attributes of Leymus chinensis were obtained with 0.1 mg/l BR.
- Taxon
- Leymus chinensisLeymus chinensist0
- Treatment
- 0.1 mg/l BRe0
- Outcome
- highest valuee0
- Direction
- higheste0
Not reportedComparator
Verbatim
t0“Leymus chinensis”
e0“the highest value was obtained by treatment with 0.1 mg/l BR”
Claim · model-written summary
BR is asserted to enhance growth and development of L. chinensis under low temperature stress by improving biosynthesis of photosynthetic pigments and reducing MDA accumulation, via modulating osmolyte contents and antioxidant enzyme activity.
- Taxon
- L. chinensisLeymus chinensise0
- Treatment
- application of BRe0
- Outcome
- growth and developmente0
- Qualifier
- improving the biosynthesis of photosynthetic pigments and reducing MDA accumulation by modulating the osmolyte contents and activity of antioxidant enzymese0
Verbatim
e0“The application of BR enhanced the growth and development of L. chinensis under low temperature stress by improving the biosynthesis of photosynthetic pigments and reducing MDA accumulation by modulating the osmolyte contents and activity of antioxidant enzymes”
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See all 7 papers →brassinolide · physiology: osmolytes · Leymus chinensisResults agree
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See all 7 papers →application · growth · Leymus chinensisPositive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
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application · physiology: pigments · Leymus chinensisResults agree
1 paper in the same direction as this paper
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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.