Paper · 2020 · Chilean journal of agricultural research

Response of some sorghum varieties to GA3 concentrations under different salt compositions

Nimir Eltyb Ahmed Nimir; Guisheng Zhou; Guanglong Zhu; et al.

13
claims
25
verbatim quotes
11
citations
2
research areas
✓
Open access · cc-by-nc

Abstract

Germination is a very sensitive stage for the harmful effect of salinity stress. Plants respond differently to different types of salt. Gibberellic acid (GA3) is the most important hormone to mitigate salt stress. A controlled germination study was conducted to evaluate the impact of different salts (0, 150 mM NaCl, and 150 mM Na2SO4) and different GA3 concentrations (0, 50, 100, 250, and 300 mg L -1 ) on the germination of the two most used Sudanese sorghum (Sorghum bicolor [L.] Moench) varieties Wadahmed and Tabat. The studied parameters were seed water uptake after 8 h imbibition, germination percentage, germination rate, shoot and root length, shoot and root fresh weight, shoot and root dry weight, and seed vigor index. Results showed that Na2SO4 reduced germination percentage, germination rate, shoot length, root length, root fresh weight, shoot dry weight, root dry weight, and seed vigor index by 17.0%, 50.0%, 86.99%, 89.03%, 76.8%, 54.5%, 66.6%, and 89.7%, respectively, when compared with the non-saline treatment. The maximum values for seed water uptake, germination percentage, germination rate, shoot length, and seed vigor index were achieved at 100 mg L -1 GA3. The Na2SO4 salt had a more harmful effect than NaCl. The 100 mg L -1 GA3 concentration can be recommended to improve seed water uptake, germination parameters, and seedling growth under salt stress in the two Sudanese sorghum varieties (Wadahmed and Tabat). 'Wadahmed' was more tolerant to salinity stress than 'Tabat' at the germination stage.

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Claims 13

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Na2SO4 reduced germination percentage by 17.0% versus no salt.

Taxon
sorghumSorghumt0
Treatment
Na2SO4e0
Outcome
germination percentagee0
Direction
reducede0
Value
17.0%e0
Comparator
non-saline treatmente0

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Na2SO4 reduced germination percentage, germination rate, shoot length, root length, root fresh weight, shoot dry weight, root dry weight, and seed vigor index by 17.0%, 50.0%, 86.99%, 89.03%, 76.8%, 54.5%, 66.6%, and 89.7%, respectively, when compared with the non-saline treatment”

✓ located verbatim in the source · abstract, characters 754–1035 · show in text ↑
t0

“sorghum”

✓ located verbatim in the source · title, characters 17–24 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Na2SO4 reduced germination rate by 50.0%.

Taxon
sorghumSorghumt0
Treatment
Na2SO4e0
Outcome
germination ratee0
Direction
reducede0
Value
50.0%e0
Comparator
non-saline treatmente0

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Na2SO4 reduced germination percentage, germination rate, shoot length, root length, root fresh weight, shoot dry weight, root dry weight, and seed vigor index by 17.0%, 50.0%, 86.99%, 89.03%, 76.8%, 54.5%, 66.6%, and 89.7%, respectively, when compared with the non-saline treatment”

✓ located verbatim in the source · abstract, characters 754–1035 · show in text ↑
t0

“sorghum”

✓ located verbatim in the source · title, characters 17–24 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Na2SO4 reduced shoot length by 86.99%.

Taxon
sorghumSorghumt0
Treatment
Na2SO4e0
Outcome
shoot lengthe0
Direction
reducede0
Value
86.99%e0
Comparator
non-saline treatmente0

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Na2SO4 reduced germination percentage, germination rate, shoot length, root length, root fresh weight, shoot dry weight, root dry weight, and seed vigor index by 17.0%, 50.0%, 86.99%, 89.03%, 76.8%, 54.5%, 66.6%, and 89.7%, respectively, when compared with the non-saline treatment”

✓ located verbatim in the source · abstract, characters 754–1035 · show in text ↑
t0

“sorghum”

✓ located verbatim in the source · title, characters 17–24 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Na2SO4 reduced root length by 89.03%.

Taxon
sorghumSorghumt0
Treatment
Na2SO4e0
Outcome
root lengthe0
Direction
reducede0
Value
89.03%e0
Comparator
non-saline treatmente0

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Na2SO4 reduced germination percentage, germination rate, shoot length, root length, root fresh weight, shoot dry weight, root dry weight, and seed vigor index by 17.0%, 50.0%, 86.99%, 89.03%, 76.8%, 54.5%, 66.6%, and 89.7%, respectively, when compared with the non-saline treatment”

✓ located verbatim in the source · abstract, characters 754–1035 · show in text ↑
t0

“sorghum”

✓ located verbatim in the source · title, characters 17–24 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Na2SO4 reduced root fresh weight by 76.8%.

Taxon
sorghumSorghumt0
Treatment
Na2SO4e0
Outcome
root fresh weighte0
Direction
reducede0
Value
76.8%e0
Comparator
non-saline treatmente0

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Na2SO4 reduced germination percentage, germination rate, shoot length, root length, root fresh weight, shoot dry weight, root dry weight, and seed vigor index by 17.0%, 50.0%, 86.99%, 89.03%, 76.8%, 54.5%, 66.6%, and 89.7%, respectively, when compared with the non-saline treatment”

✓ located verbatim in the source · abstract, characters 754–1035 · show in text ↑
t0

“sorghum”

✓ located verbatim in the source · title, characters 17–24 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Na2SO4 reduced shoot dry weight by 54.5%.

Taxon
sorghumSorghumt0
Treatment
Na2SO4e0
Outcome
shoot dry weighte0
Direction
reducede0
Value
54.5%e0
Comparator
non-saline treatmente0

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Na2SO4 reduced germination percentage, germination rate, shoot length, root length, root fresh weight, shoot dry weight, root dry weight, and seed vigor index by 17.0%, 50.0%, 86.99%, 89.03%, 76.8%, 54.5%, 66.6%, and 89.7%, respectively, when compared with the non-saline treatment”

✓ located verbatim in the source · abstract, characters 754–1035 · show in text ↑
t0

“sorghum”

✓ located verbatim in the source · title, characters 17–24 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Na2SO4 reduced root dry weight by 66.6%.

Taxon
sorghumSorghumt0
Treatment
Na2SO4e0
Outcome
root dry weighte0
Direction
reducede0
Value
66.6%e0
Comparator
non-saline treatmente0

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Na2SO4 reduced germination percentage, germination rate, shoot length, root length, root fresh weight, shoot dry weight, root dry weight, and seed vigor index by 17.0%, 50.0%, 86.99%, 89.03%, 76.8%, 54.5%, 66.6%, and 89.7%, respectively, when compared with the non-saline treatment”

✓ located verbatim in the source · abstract, characters 754–1035 · show in text ↑
t0

“sorghum”

✓ located verbatim in the source · title, characters 17–24 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Na2SO4 reduced seed vigor index by 89.7%.

Taxon
sorghumSorghumt0
Treatment
Na2SO4e0
Outcome
seed vigor indexe0
Direction
reducede0
Value
89.7%e0
Comparator
non-saline treatmente0

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Na2SO4 reduced germination percentage, germination rate, shoot length, root length, root fresh weight, shoot dry weight, root dry weight, and seed vigor index by 17.0%, 50.0%, 86.99%, 89.03%, 76.8%, 54.5%, 66.6%, and 89.7%, respectively, when compared with the non-saline treatment”

✓ located verbatim in the source · abstract, characters 754–1035 · show in text ↑
t0

“sorghum”

✓ located verbatim in the source · title, characters 17–24 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Seed water uptake, germination percentage and rate were maximal at 100 mg L -1 GA3.

Taxon
sorghumSorghumt0
Treatment
100 mg L -1 GA3e0
Outcome
seed water uptake, germination percentage, germination ratee0
Direction
maximume0

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“The maximum values for seed water uptake, germination percentage, germination rate, shoot length, and seed vigor index were achieved at 100 mg L -1 GA3”

✓ located verbatim in the source · abstract, characters 1037–1188 · show in text ↑
t0

“sorghum”

✓ located verbatim in the source · title, characters 17–24 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Shoot length and seed vigor index were maximal at 100 mg L -1 GA3.

Taxon
sorghumSorghumt0
Treatment
100 mg L -1 GA3e0
Outcome
shoot length, and seed vigor indexe0
Direction
maximume0

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“The maximum values for seed water uptake, germination percentage, germination rate, shoot length, and seed vigor index were achieved at 100 mg L -1 GA3”

✓ located verbatim in the source · abstract, characters 1037–1188 · show in text ↑
t0

“sorghum”

✓ located verbatim in the source · title, characters 17–24 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Na2SO4 was more harmful than NaCl.

Taxon
sorghumSorghumt0
Treatment
Na2SO4e0
Outcome
more harmful effecte0
Direction
more harmfule0
Comparator
NaCle0

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“The Na2SO4 salt had a more harmful effect than NaCl”

✓ located verbatim in the source · abstract, characters 1190–1241 · show in text ↑
t0

“sorghum”

✓ located verbatim in the source · title, characters 17–24 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors recommend 100 mg L -1 GA3 to improve germination and seedling growth under salinity.

Taxon
sorghumSorghume0
Outcome
100 mg L -1 GA3 concentration can be recommended to improve seed water uptake, germination parameters, and seedling growthe0

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“The 100 mg L -1 GA3 concentration can be recommended to improve seed water uptake, germination parameters, and seedling growth under salt stress in the two Sudanese sorghum varieties (Wadahmed and Tabat)”

✓ located verbatim in the source · abstract, characters 1243–1446 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Wadahmed was more salt tolerant than Tabat during germination.

Taxon
sorghumSorghumt0
Material
'Wadahmed'e0
Organ / stage
germination stagee0
Outcome
tolerant to salinity stresse0
Direction
more tolerante0
Comparator
'Tabat'e0

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“'Wadahmed' was more tolerant to salinity stress than 'Tabat' at the germination stage”

✓ located verbatim in the source · abstract, characters 1448–1533 · show in text ↑
t0

“sorghum”

✓ located verbatim in the source · title, characters 17–24 · show in text ↑

sodium sulfate · growth · SorghumResults agree

3 papers: 0 positive, 3 negative or no effect

2 papers in the same direction as this paper

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  2. negative
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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.