Abstract
Abstract A two-year experiment (2018–2020) was arranged as a factorial in a randomized complete block design with three replicates to study the response of camelina (Camelina sativa (L.) Crantz) to irrigation regimes at different sowing dates in Karaj, Iran. The experiment factors were four irrigation regimes including full irrigation and restricted irrigation starting either from silicle formation, or flowering and stage of maximum stem length, as well as three sowing dates including September 27 (27-Sep), October 12 (12-Oct) and 25 (25-Oct). Significant reductions were recorded in agronomic (numbers of silicle per plant and seed per silicle, and 1000-seed weight) and physiologic (RWC, relative water content) and chlorophyll content) traits when plants were subjected to drought stress. In contrast, the stomatal resistance (Rs), canopy temperature (CT), proline and carbohydrate contents increased under drought conditions compared with well-watered treatment. Delay in the sowing date led to reductions in numbers of silicle per plant and seed per silicle, 1000-seed weight, RWC, and chlorophyll content. The Rs, CT, proline and carbohydrate contents of plants sown on 12-Oct and 25-Oct had higher values than in 27-Sep. The highest oil contents were obtained from the full irrigation regime (31.02%), and 27-Sep sowing date (30.04%), and on each sowing date, the maximum seed yield belonged to the full irrigation regime. Overall, a significant reduction in water consumption can happen by delaying the sowing date to 12-Oct and restricting irrigation after silicle formation regarding the slight amount of seed yield depletion compared with the later sowing date and mild- and severe-stress irrigation regimes.
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 10
Claim · model-written summary
Drought reduced silicles per plant, seeds per silicle and thousand seed weight.
- Treatment
- drought stresse0
- Outcome
- numbers of silicle per plant and seed per silicle, and 1000-seed weighte0
- Direction
- reductionse0
CamelinaNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significant reductions were recorded in agronomic (numbers of silicle per plant and seed per silicle, and 1000-seed weight) and physiologic (RWC, relative water content) and chlorophyll content) traits when plants were subjected to drought stress.”
e1“camelina (Camelina sativa (L.) Crantz)”
Claim · model-written summary
Drought reduced relative water content and chlorophyll content.
- Treatment
- drought stresse0
- Outcome
- RWC, relative water content) and chlorophyll contente0
- Direction
- reductionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significant reductions were recorded in agronomic (numbers of silicle per plant and seed per silicle, and 1000-seed weight) and physiologic (RWC, relative water content) and chlorophyll content) traits when plants were subjected to drought stress.”
e1“camelina (Camelina sativa (L.) Crantz)”
Claim · model-written summary
Drought increased stomatal resistance, canopy temperature, proline and carbohydrate contents relative to well watered plants.
- Treatment
- drought conditionse0
- Outcome
- stomatal resistance (Rs), canopy temperature (CT), proline and carbohydrate contentse0
- Direction
- increasede0
- Comparator
- well-watered treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the stomatal resistance (Rs), canopy temperature (CT), proline and carbohydrate contents increased under drought conditions compared with well-watered treatment”
e1“camelina (Camelina sativa (L.) Crantz)”
Claim · model-written summary
Later sowing reduced silicles per plant, seeds per silicle and thousand seed weight.
- Treatment
- Delay in the sowing datee0
- Outcome
- numbers of silicle per plant and seed per silicle, 1000-seed weighte0
- Direction
- reductionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Delay in the sowing date led to reductions in numbers of silicle per plant and seed per silicle, 1000-seed weight, RWC, and chlorophyll content.”
e1“camelina (Camelina sativa (L.) Crantz)”
Claim · model-written summary
Later sowing reduced relative water content and chlorophyll content.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Delay in the sowing date led to reductions in numbers of silicle per plant and seed per silicle, 1000-seed weight, RWC, and chlorophyll content.”
e1“camelina (Camelina sativa (L.) Crantz)”
Claim · model-written summary
October 12 and 25 sowings had higher stomatal resistance, canopy temperature, proline and carbohydrate contents than September 27 sowing.
- Treatment
- 12-Oct and 25-Octe0
- Outcome
- Rs, CT, proline and carbohydrate contentse0
- Direction
- highere0
- Comparator
- 27-Sepe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The Rs, CT, proline and carbohydrate contents of plants sown on 12-Oct and 25-Oct had higher values than in 27-Sep.”
e1“camelina (Camelina sativa (L.) Crantz)”
Claim · model-written summary
Full irrigation gave the highest oil content of 31.02%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest oil contents were obtained from the full irrigation regime (31.02%)”
e1“camelina (Camelina sativa (L.) Crantz)”
Claim · model-written summary
September 27 sowing gave oil content of 30.04%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“27-Sep sowing date (30.04%)”
e1“The highest oil contents were obtained from the full irrigation regime (31.02%), and 27-Sep sowing date (30.04%)”
e2“camelina (Camelina sativa (L.) Crantz)”
Claim · model-written summary
Full irrigation produced maximum seed yield on each sowing date.
- Treatment
- full irrigation regimee0
- Outcome
- seed yielde0
- Direction
- maximume0
- Qualifier
- on each sowing datee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on each sowing date, the maximum seed yield belonged to the full irrigation regime”
e1“camelina (Camelina sativa (L.) Crantz)”
Claim · model-written summary
The authors recommend October 12 sowing with restricted irrigation after silicle formation to reduce water consumption with slight seed yield depletion.
- Outcome
- delaying the sowing date to 12-Oct and restricting irrigation after silicle formatione0
- Qualifier
- slight amount of seed yield depletione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a significant reduction in water consumption can happen by delaying the sowing date to 12-Oct and restricting irrigation after silicle formation regarding the slight amount of seed yield depletion”
e1“camelina (Camelina sativa (L.) Crantz)”
The same questions in other papers
drought · yield · CamelinaResults differ
2 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
drought · physiology: water · CamelinaPositive and negative results
1 in the opposite direction
- positive
sowing time · yield · CamelinaPositive and negative results
1 paper in the same direction as this paper · 8 in the opposite direction
- positive
- positive
- positive
6 papers more in this group
See all 10 papers →irrigation · yield · CamelinaResults agree
2 papers in the same direction as this paper
- positive
- positive
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.