Abstract
Wheat is globally an important cereal crop. Environmental stress, especially drought stress can play an important role in the reduction of plant growth, specifically during germination in arid and semi-arid regions. Polyethylene glycol (PEG) treated hydroponic conditions create negative osmotic potential which is compared with moisture deficit stress. The main objective of this study was to investigate the effects of PEG 6000 induced moderate osmotic stress on germination indices of 22 wheat varieties. In order to study the effects of osmotic stress on germination indices in wheat cultivars, an experiment was conducted, using a completely randomized design with three replications under two different levels of PEG-6000: 0% and 10%. PEG stress significantly reduced percent germination, shoot length and root length. PEG stress significantly increased root-shoot ratio and oven dry weight. Principal component analysis revealed response of traits of tolerant wheat varieties under osmotic stress. Correlation study revealed the significant relationships among germination indices. The variety BARI Gom-30 recorded comparatively higher root length (6 cm), shoot length (7.8 cm), root-shoot ratio (1.37) followed by the variety Sonalika whereas the variety Kalaysona recorded the lowest root length (2.7 cm) and shoot length (2.8 cm) under PEG stress. Evolved information of this research including selected traits such as germination percentage, root-shoot ratio and dry weight of seedlings could be exploited in wheat breeding program for drought and osmotic stress tolerance.
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Claims 12
Claim · model-written summary
PEG stress significantly reduced wheat germination percentage.
- Taxon
- wheat
Triticum aestivume1 - Treatment
- PEG stresse0
- Outcome
- percent germinatione0
- Direction
- reducede0
- Comparator
- 0%e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“PEG stress significantly reduced percent germination, shoot length and root length.”
e1“22 wheat varieties”
e2“0% and 10%”
Claim · model-written summary
PEG stress significantly reduced wheat shoot and root length.
- Taxon
- wheatTriticum aestivume1
- Treatment
- PEG stresse0
- Outcome
- shoot length and root lengthe0
- Direction
- reducede0
- Comparator
- 0%e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“PEG stress significantly reduced percent germination, shoot length and root length.”
e1“22 wheat varieties”
e2“0% and 10%”
Claim · model-written summary
PEG stress significantly increased wheat root-shoot ratio and oven dry weight.
- Taxon
- wheatTriticum aestivume1
- Treatment
- PEG stresse0
- Outcome
- root-shoot ratio and oven dry weighte0
- Direction
- increasede0
- Comparator
- 0%e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“PEG stress significantly increased root-shoot ratio and oven dry weight.”
e1“22 wheat varieties”
e2“0% and 10%”
Claim · model-written summary
Principal component analysis distinguished trait responses of tolerant wheat varieties under osmotic stress.
- Taxon
- wheatTriticum aestivume0
- Outcome
- response of traits of tolerant wheat varietiese0
- Comparator
- osmotic stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Principal component analysis revealed response of traits of tolerant wheat varieties under osmotic stress.”
Claim · model-written summary
Germination indices in wheat showed significant relationships.
- Taxon
- wheatTriticum aestivume1
- Organ / stage
- germinatione0
- Outcome
- relationships among germination indicese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Correlation study revealed the significant relationships among germination indices.”
e1“22 wheat varieties”
Claim · model-written summary
Under PEG stress, BARI Gom-30 had comparatively higher root length of 6 cm than other varieties.
- Taxon
- wheatTriticum aestivume1
- Material
- BARI Gom-30e0
- Outcome
- root lengthe0
- Direction
- highere0
- Value
- 6 cme0
- Qualifier
- under PEG stresse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The variety BARI Gom-30 recorded comparatively higher root length (6 cm), shoot length (7.8 cm), root-shoot ratio (1.37) followed by the variety Sonalika”
e1“22 wheat varieties”
e2“under PEG stress”
Claim · model-written summary
Under PEG stress, BARI Gom-30 had comparatively higher shoot length of 7.8 cm.
- Taxon
- wheatTriticum aestivume1
- Material
- BARI Gom-30e0
- Outcome
- shoot lengthe0
- Value
- 7.8 cme0
- Qualifier
- under PEG stresse2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The variety BARI Gom-30 recorded comparatively higher root length (6 cm), shoot length (7.8 cm), root-shoot ratio (1.37) followed by the variety Sonalika”
e1“22 wheat varieties”
e2“under PEG stress”
Claim · model-written summary
Under PEG stress, BARI Gom-30 had root-shoot ratio 1.37.
- Taxon
- wheatTriticum aestivume1
- Material
- BARI Gom-30e0
- Outcome
- root-shoot ratioe0
- Value
- 1.37e0
- Qualifier
- under PEG stresse2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The variety BARI Gom-30 recorded comparatively higher root length (6 cm), shoot length (7.8 cm), root-shoot ratio (1.37) followed by the variety Sonalika”
e1“22 wheat varieties”
e2“under PEG stress”
Claim · model-written summary
Sonalika followed BARI Gom-30 for the measured seedling traits.
- Taxon
- wheatTriticum aestivume1
- Material
- Sonalikae0
- Outcome
- root length (6 cm), shoot length (7.8 cm), root-shoot ratio (1.37)e0
- Qualifier
- under PEG stresse2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root length (6 cm), shoot length (7.8 cm), root-shoot ratio (1.37) followed by the variety Sonalika”
e1“22 wheat varieties”
e2“under PEG stress”
Claim · model-written summary
Kalaysona had the lowest root length, 2.7 cm, under PEG stress.
- Taxon
- wheatTriticum aestivume1
- Material
- Kalaysonae0
- Outcome
- root lengthe0
- Direction
- loweste0
- Value
- 2.7 cme0
- Qualifier
- under PEG stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the variety Kalaysona recorded the lowest root length (2.7 cm) and shoot length (2.8 cm) under PEG stress”
e1“22 wheat varieties”
Claim · model-written summary
Kalaysona had shoot length 2.8 cm under PEG stress, the lowest among varieties.
- Taxon
- wheatTriticum aestivume1
- Material
- Kalaysonae0
- Outcome
- shoot lengthe0
- Value
- 2.8 cme0
- Qualifier
- under PEG stresse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the variety Kalaysona recorded the lowest root length (2.7 cm) and shoot length (2.8 cm) under PEG stress”
e1“22 wheat varieties”
Claim · model-written summary
The authors propose using germination, root-shoot ratio and seedling dry weight in wheat breeding for stress tolerance.
- Taxon
- wheatTriticum aestivume0
- Outcome
- selected traits such as germination percentage, root-shoot ratio and dry weight of seedlings could be exploited in wheat breeding program for drought and osmotic stress tolerancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“selected traits such as germination percentage, root-shoot ratio and dry weight of seedlings could be exploited in wheat breeding program for drought and osmotic stress tolerance”
The same questions in other papers
poly(ethylene glycol) · growth · Triticum aestivum (wheat)Positive and negative results
16 papers in the same direction as this paper · 6 in the opposite direction
- negative
- positive
- positive
19 papers more in this group
See all 23 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.