Abstract
To assess the response of promising safflower genotypes to late-season drought stress in delayed planting conditions, an experiment was conducted in two years (2016-2017 and 2017-2018) in Iran. The irrigation regime was specified in two levels, including normal irrigation and irrigation cut off in the seed filling stage in main plots, and five safflower genotypes, including Soffe, Goldasht, Golmehr, Padideh, and Parnian were categorized in subplots. Applied drought stress significantly reduced the seed yield and yield components of all genotypes, which accompanied with a substantial decrease in oil content and oil yield of all genotypes. However, the highest seed and oil yield in drought stress conditions obtained in the Parnian genotype by value 2338 and 561 kg/ha, respectively. Moreover, a significant drought-induced increase in palmitic, stearic, and oleic acids, as well as a decrease in linoleic acid content, was observed in all genotypes. Parnian genotype with high unsaturated fatty acids content (90.9%) and the minimum amount of saturated fatty acids (8.7%) might be a promising genotype to starting a formal crop improvement program to achieve more drought-tolerant safflower genotype.
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Claims 10
Claim · model-written summary
Late-season drought decreased seed yield and yield components in all genotypes.
- Taxon
- safflower
Carthamus tinctoriust0 - Treatment
- Applied drought stresse0
- Outcome
- seed yield and yield componentse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“safflower genotypes”
e0“Applied drought stress significantly reduced the seed yield and yield components of all genotypes, which accompanied with a substantial decrease in oil content and oil yield of all genotypes”
Claim · model-written summary
Late-season drought decreased oil content in all genotypes.
- Taxon
- safflowerCarthamus tinctoriust0
- Treatment
- Applied drought stresse0
- Outcome
- oil contente0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“safflower genotypes”
e0“Applied drought stress significantly reduced the seed yield and yield components of all genotypes, which accompanied with a substantial decrease in oil content and oil yield of all genotypes”
Claim · model-written summary
Late-season drought decreased oil yield in all genotypes.
- Taxon
- safflowerCarthamus tinctoriust0
- Treatment
- Applied drought stresse0
- Outcome
- oil yielde0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“safflower genotypes”
e0“Applied drought stress significantly reduced the seed yield and yield components of all genotypes, which accompanied with a substantial decrease in oil content and oil yield of all genotypes”
Claim · model-written summary
Parnian had the highest seed yield under drought.
- Taxon
- safflowerCarthamus tinctoriust0
- Material
- Parniane0
- Treatment
- drought stress conditionse0
- Direction
- higheste0
- Value
- 2338e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“safflower genotypes”
e0“the highest seed and oil yield in drought stress conditions obtained in the Parnian genotype by value 2338 and 561 kg/ha, respectively”
e1“seed yield and yield components of all genotypes, which accompanied with a substantial decrease in oil content and oil yield”
Claim · model-written summary
Parnian had the highest oil yield under drought.
- Taxon
- safflowerCarthamus tinctoriust0
- Material
- Parniane0
- Treatment
- drought stress conditionse0
- Direction
- higheste0
- Value
- 561 kg/hae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“safflower genotypes”
e0“the highest seed and oil yield in drought stress conditions obtained in the Parnian genotype by value 2338 and 561 kg/ha, respectively”
e1“seed yield and yield components of all genotypes, which accompanied with a substantial decrease in oil content and oil yield”
Claim · model-written summary
Drought caused increase in palmitic, stearic, and oleic acids.
- Taxon
- safflowerCarthamus tinctoriust0
- Treatment
- droughte0
- Outcome
- palmitic, stearic, and oleic acidse0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“safflower genotypes”
e0“a significant drought-induced increase in palmitic, stearic, and oleic acids, as well as a decrease in linoleic acid content, was observed in all genotypes”
Claim · model-written summary
Drought caused decrease in linoleic acid content.
- Taxon
- safflowerCarthamus tinctoriust0
- Treatment
- droughte0
- Outcome
- linoleic acid contente0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“safflower genotypes”
e0“a significant drought-induced increase in palmitic, stearic, and oleic acids, as well as a decrease in linoleic acid content, was observed in all genotypes”
Claim · model-written summary
Parnian had high unsaturated fatty acids content.
- Taxon
- safflowerCarthamus tinctoriust0
- Material
- Parniane0
- Outcome
- unsaturated fatty acids contente0
- Direction
- highe0
- Value
- 90.9%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“safflower genotypes”
e0“Parnian genotype with high unsaturated fatty acids content (90.9%) and the minimum amount of saturated fatty acids (8.7%)”
Claim · model-written summary
Parnian had minimum saturated fatty acids.
- Taxon
- safflowerCarthamus tinctoriust0
- Material
- Parniane0
- Outcome
- saturated fatty acidse0
- Direction
- minimume0
- Value
- 8.7%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“safflower genotypes”
e0“Parnian genotype with high unsaturated fatty acids content (90.9%) and the minimum amount of saturated fatty acids (8.7%)”
Claim · model-written summary
The authors suggest Parnian for a drought-tolerance improvement program.
- Taxon
- safflowerCarthamus tinctoriust0
- Material
- Parniane1
- Outcome
- promising genotype to starting a formal crop improvement programe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“safflower genotypes”
e0“might be a promising genotype to starting a formal crop improvement program to achieve more drought-tolerant safflower genotype”
e1“Parnian genotype with high unsaturated fatty acids content”
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See all 30 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.