Paper · 2022 · Sustainability

Canola Seed Priming and Its Effect on Gas Exchange, Chlorophyll Photobleaching, and Enzymatic Activities in Response to Salt Stress

Waleed Iqbal; Muhammad Zahir Afridi; Aftab Jamal; et al.

4
claims
4
verbatim quotes
23
citations
1
research areas
✓
Open access · cc-by

Abstract

Canola is the second-largest oil seed crop in the world, providing oil mainly composed of long-chain fatty acids (C14 to C20). When mixed with fossil-diesel, canola-based biofuel can be used in passenger vehicles, trucks, or even in aviation. Canola is the most productive type of biofuel due to its oil’s long-chain and unbranched fatty acid composition, which makes it more fluid. However, canola yields are constrained by drought and salinity that can aggravate climate change, resulting in negative consequences. Therefore, it is becoming necessary for studies that involved the canola salt-tolerant genotypes to consider soil salinization by use of saline soil or salinized soil by a non-efficient irrigation method. This study was carried out to assess the effects of salinity on seed germination and the effect of CaCl2 (ψs = −1.2 MPa) on the promotion of regenerated plant memory when a new cycle of stress occurs. Our experiment shows that salt-stressed canola plants resulted in a high reduction in chlorophylls and carotenoids, with a high impact on gas exchange and a reduction in the efficiency of the chloroplast electron chain transporter, producing the negative effect of reduced molecules that affect the membrane integrity. However, canola seed priming could produce a memory in the regenerated plants when the second round of salt stress was applied. This research concludes that canola genotypes appear to have a tolerance mechanism against salt stress which could be an important trait for developing high-yielding canola varieties in future breeding programs under salt stress conditions.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗

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Claims 4

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Salt stress strongly reduced canola chlorophylls and carotenoids.

Treatment
salt-stressede0
Outcome
chlorophylls and carotenoidse0
Direction
reductione0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Brassica napus var. napus
Brassica napus var. napus · Taxoncontri from Yonezawa-Shi, Yamagata, Japan · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“salt-stressed canola plants resulted in a high reduction in chlorophylls and carotenoids”

✓ located verbatim in the source · abstract, characters 949–1037 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Salt stress strongly affected gas exchange in canola.

Treatment
salt-stressede0
Outcome
gas exchangee0

Not reportedComparatorDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Brassica napus var. napus
Brassica napus var. napus · Taxoncontri from Yonezawa-Shi, Yamagata, Japan · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“salt-stressed canola plants resulted in a high reduction in chlorophylls and carotenoids, with a high impact on gas exchange”

✓ located verbatim in the source · abstract, characters 949–1073 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Salt stress reduced efficiency of the chloroplast electron chain transporter in canola.

Treatment
salt-stressede0
Outcome
efficiency of the chloroplast electron chain transportere0
Direction
reductione0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Brassica napus var. napus
Brassica napus var. napus · Taxoncontri from Yonezawa-Shi, Yamagata, Japan · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“salt-stressed canola plants resulted in a high reduction in chlorophylls and carotenoids, with a high impact on gas exchange and a reduction in the efficiency of the chloroplast electron chain transporter”

✓ located verbatim in the source · abstract, characters 949–1153 · show in text ↑
Intervention effectauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Canola seed priming could produce stress memory in regenerated plants during a second salt stress.

Treatment
seed priminge0
Outcome
memory in the regenerated plantse0
Qualifier
when the second round of salt stress was appliede0

Not reportedComparatorDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Brassica napus var. napus
Brassica napus var. napus · Taxoncontri from Yonezawa-Shi, Yamagata, Japan · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“canola seed priming could produce a memory in the regenerated plants when the second round of salt stress was applied”

✓ located verbatim in the source · abstract, characters 1251–1368 · show in text ↑

salinity · molecular: metabolites · Brassica napus (oilseed rape)Positive and negative results

17 papers: 3 positive, 14 negative or no effect

13 papers in the same direction as this paper · 3 in the opposite direction

  1. positive
  2. positive
  3. positive

13 papers more in this group

See all 17 papers →

salinity · physiology: gas exchange · Brassica napus (oilseed rape)Results agree

3 papers: 0 positive, 3 negative or no effect

2 papers in the same direction as this paper

  1. negative
  2. no effect
See all 3 papers →

salinity · physiology: pigments · Brassica napus (oilseed rape)Results agree

12 papers: 0 positive, 12 negative or no effect

11 papers in the same direction as this paper

  1. negative
  2. negative
  3. negative

8 papers more in this group

See all 12 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.