Paper · 2007 · Pakistan Journal of Botany

Variation in seed germination and seedling growth in some diverse lines of safflower (Carthamus tinctorius L.) under salt stress

Ejaz Hussain Siddiqi; Muhammad Ashraf; Nudrat Aisha Akram

5
claims
10
verbatim quotes
30
citations
1
research areas
—
Not open access

Abstract

To assess inter-cultivar variation for salt tolerance in safflower (Carthamus tinctorius L.), 10 available lines [Safflower-31, Safflower-32, Safflower-33, Safflower-34, Safflower-35, Safflower36, Safflower-37, Safflower-38, Safflower-39 and Safflower-78] were screened at five levels (0, 60, 120, 180, and 240 mM) of NaCl at the germination and seedling stages. Salt stress caused a marked reduction in germination percentage and fresh and dry biomass of the seedlings of all 10 accessions of safflower. Maximum reduction was observed at higher levels (180 and 240 mM) of NaCl. Accessions Safflower-31 and Safflower-35 had higher germination percentage and seedling shoot dry weight than the other lines particularly at 180 and 240 mM of NaCl, but in contrast, Safflower-32, Safflower-33, Safflower-37, Safflower-38, and Safflower-78 were the lowest in germination percentage and shoot dry weight. Although a considerable magnitude of variation for salt tolerance was observed in a set of 10 available lines of safflower at the germination and seedling stages, it is not certain whether such variation exists at the later stages of growth. This needs to be further investigated.

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Claims 5

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Salt stress markedly reduced germination percentage and fresh and dry biomass of all 10 safflower accessions.

Treatment
Salt stresse1
Outcome
germination percentage and fresh and dry biomasse1
Direction
reductione1

Not reportedComparator

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

Carthamus tinctorius
Carthamus tinctorius · Taxon · picture from its Wikimedia Commons categoryH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“safflower (Carthamus tinctorius L.)”

✓ located verbatim in the source · title, characters 75–110 · show in text ↑
e1

“Salt stress caused a marked reduction in germination percentage and fresh and dry biomass of the seedlings of all 10 accessions of safflower”

✓ located verbatim in the source · abstract, characters 363–503 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

The maximum reduction under salt stress occurred at 180 and 240 mM NaCl.

Treatment
higher levels (180 and 240 mM) of NaCle2
Outcome
reductione2
Direction
Maximume2

Not reportedComparator

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

Carthamus tinctorius
Carthamus tinctorius · Taxon · picture from its Wikimedia Commons categoryH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“safflower (Carthamus tinctorius L.)”

✓ located verbatim in the source · title, characters 75–110 · show in text ↑
e2

“Maximum reduction was observed at higher levels (180 and 240 mM) of NaCl”

✓ located verbatim in the source · abstract, characters 505–577 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Safflower-31 and Safflower-35 had higher germination percentage and seedling shoot dry weight than the other lines, particularly at 180 and 240 mM NaCl.

Material
Safflower-31 and Safflower-35e3
Outcome
germination percentage and seedling shoot dry weighte3
Direction
highere3
Qualifier
particularly at 180 and 240 mM of NaCle3
Comparator
the other linese3

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

Carthamus tinctorius
Carthamus tinctorius · Taxon · picture from its Wikimedia Commons categoryH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“safflower (Carthamus tinctorius L.)”

✓ located verbatim in the source · title, characters 75–110 · show in text ↑
e3

“Accessions Safflower-31 and Safflower-35 had higher germination percentage and seedling shoot dry weight than the other lines particularly at 180 and 240 mM of NaCl”

✓ located verbatim in the source · abstract, characters 579–743 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Safflower-32, Safflower-33, Safflower-37, Safflower-38 and Safflower-78 had the lowest germination percentage and shoot dry weight.

Material
Safflower-32, Safflower-33, Safflower-37, Safflower-38, and Safflower-78e4
Outcome
germination percentage and shoot dry weighte4
Direction
loweste4

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

Carthamus tinctorius
Carthamus tinctorius · Taxon · picture from its Wikimedia Commons categoryH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“safflower (Carthamus tinctorius L.)”

✓ located verbatim in the source · title, characters 75–110 · show in text ↑
e4

“Safflower-32, Safflower-33, Safflower-37, Safflower-38, and Safflower-78 were the lowest in germination percentage and shoot dry weight”

✓ located verbatim in the source · abstract, characters 762–897 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

A considerable magnitude of variation for salt tolerance was observed among the 10 safflower lines.

Outcome
variation for salt tolerancee5

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

Carthamus tinctorius
Carthamus tinctorius · Taxon · picture from its Wikimedia Commons categoryH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“safflower (Carthamus tinctorius L.)”

✓ located verbatim in the source · title, characters 75–110 · show in text ↑
e5

“a considerable magnitude of variation for salt tolerance was observed in a set of 10 available lines of safflower”

✓ located verbatim in the source · abstract, characters 908–1021 · show in text ↑

salinity · growth · Carthamus tinctorius (safflower)Results agree

30 papers: 0 positive, 30 negative or no effect

29 papers in the same direction as this paper

  1. negative
  2. negative
  3. negative

26 papers more in this group

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.