Abstract
A pot experiment was conducted in sand culture to evaluate the effect of heat and moisture stress treatments on seedling growth parameters of eight wheat varieties sown on two dates under laboratory condition in 2003. Seeds obtained from normal sowing recorded significantly higher shoot length and root and shoot dry weights than those from late sown crop. Unfavorable conditions (moisture/heat) for growth of the seedlings under moisture/temperature stress adversely affected seedling growth. Among varieties, UP 2425 and Raj 3765 consistently showed higher seedling vigour values compared to other varieties which may be attributed to their large seed size. Variety WH 542 with lowest grain size produced lowest shoot and root dry weight. Therefore, it appears that seedling vigor parameters are related to seed size which was evident from significantly positive correlation between 1000 grain weight and shoot length, shoot dry weight and root dry weight. The values for acquired moisture stress tolerance were higher than acquired heat stress tolerance. The result of acquired stress tolerance of seedlings showed that varieties UP 2425, Raj 3765 and PBW 373 had better tolerance to stress situation as compared to other varieties. Acquired stress tolerance for heat stress (r = 0.87) and moisture stress (r = 0.80) showed positive correlation with 1000 grain weight.
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Claims 9
Claim · model-written summary
Seeds from normal sowing had higher shoot length and root and shoot dry weights than late sowing seeds.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- normal sowinge0
- Outcome
- shoot length and root and shoot dry weightse0
- Direction
- highere0
- Comparator
- late sown crope0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds obtained from normal sowing recorded significantly higher shoot length and root and shoot dry weights than those from late sown crop”
t0“wheat”
Claim · model-written summary
Moisture and heat stress adversely affected seedling growth.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- moisture/temperature stresse0
- Outcome
- seedling growthe0
- Direction
- adversely affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Unfavorable conditions (moisture/heat) for growth of the seedlings under moisture/temperature stress adversely affected seedling growth”
t0“wheat”
Claim · model-written summary
UP 2425 and Raj 3765 had higher seedling vigour than other varieties.
- Taxon
- wheatTriticum aestivumt0
- Material
- UP 2425 and Raj 3765e0
- Outcome
- seedling vigour valuese0
- Direction
- highere0
- Comparator
- other varietiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“UP 2425 and Raj 3765 consistently showed higher seedling vigour values compared to other varieties”
t0“wheat”
Claim · model-written summary
WH 542 had the lowest shoot and root dry weight.
- Taxon
- wheatTriticum aestivumt0
- Material
- WH 542e0
- Outcome
- shoot and root dry weighte0
- Direction
- loweste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Variety WH 542 with lowest grain size produced lowest shoot and root dry weight”
t0“wheat”
Claim · model-written summary
Thousand grain weight correlated positively with shoot length and shoot and root dry weight.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- shoot length, shoot dry weight and root dry weighte0
- Direction
- positivee0
- Comparator
- 1000 grain weighte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significantly positive correlation between 1000 grain weight and shoot length, shoot dry weight and root dry weight”
t0“wheat”
Claim · model-written summary
Acquired moisture stress tolerance exceeded acquired heat stress tolerance.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- acquired moisture stress tolerancee0
- Direction
- highere0
- Comparator
- acquired heat stress tolerancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The values for acquired moisture stress tolerance were higher than acquired heat stress tolerance”
t0“wheat”
Claim · model-written summary
UP 2425, Raj 3765 and PBW 373 showed better acquired stress tolerance than other varieties.
- Taxon
- wheatTriticum aestivumt0
- Material
- UP 2425, Raj 3765 and PBW 373e0
- Outcome
- tolerance to stress situatione0
- Direction
- bettere0
- Comparator
- other varietiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“varieties UP 2425, Raj 3765 and PBW 373 had better tolerance to stress situation as compared to other varieties”
t0“wheat”
Claim · model-written summary
Acquired heat stress tolerance correlated positively with thousand grain weight at r = 0.87.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- Acquired stress tolerance for heat stresse0
- Direction
- positivee0
- Value
- r = 0.87e0
- Comparator
- 1000 grain weighte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Acquired stress tolerance for heat stress (r = 0.87) and moisture stress (r = 0.80) showed positive correlation with 1000 grain weight”
t0“wheat”
Claim · model-written summary
Acquired moisture stress tolerance correlated positively with thousand grain weight at r = 0.80.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- moisture stresse0
- Direction
- positivee0
- Value
- r = 0.80e0
- Comparator
- 1000 grain weighte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Acquired stress tolerance for heat stress (r = 0.87) and moisture stress (r = 0.80) showed positive correlation with 1000 grain weight”
t0“wheat”
The same questions in other papers
sowing time · growth · Triticum aestivum (wheat)Positive and negative results
64 papers in the same direction as this paper · 47 in the opposite direction · 1 reporting no difference from an alternative
- negative
- negative
- negative
109 papers more in this group
See all 113 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.