Paper · 2015 · Notulae Scientia Biologicae

Seed Priming to Overcome Salinity Stress in Persian Cultivars of Alfalfa (Medicago sativa L.)

Ali SEPEHRI; Saeed NAJARI; Hossein Reza ROUHI

9
claims
18
verbatim quotes
5
citations
2
research areas
✓
Open access · cc-by

Abstract

In order to investigate the effect of hydro-priming on seed germination with distilled water on germination of five Alfalfa cultivars under salinity stress, an experiment was conducted as a factorial experiment based on a completely randomized design with three replications. Seven levels of hydro-priming and salinity of NaCl including prime and non-salinity, prime and 50 mM salinity, prime and 100 mM salinity, prime and 150 mM salinity, prime and 200 mM salinity, prime and 250 mM salinity and without prime and salinity and five alfalfa varieties, including ‘Hamedani’, ‘Isfahani’, ‘Bami’, ‘Yazdi’ and ‘Ghareh Yonjeh’ were used. The results showed that the main effect of prime, salinity and cultivars and their interaction in all studied traits were significantly affected at the 5% probability level. Priming treatments in non-salinity of all cultivars were the highest. In all cultivars, final germination percentage, length and weight of radicle, plumule and seedling, germination rate and time, relative radicle elongation, vigor index and stress index, were significantly improved in response to priming in salinity levels of 50-200 mM, compared to control. Radicle produced higher length and weight than the plumule in hydro- priming and salinity treatments. ‘Hamedani’ cultivar in most of studied characteristics had a better response than others. The lowest response to salinity stress and priming was observed in ‘Yazdi’ cultivar.

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Claims 9

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Priming, salinity and cultivar interacted significantly for all studied traits.

Taxon
AlfalfaMedicago sativat0
Treatment
prime, salinity and cultivarse0
Outcome
all studied traitse0

Not reportedDirection

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

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“the main effect of prime, salinity and cultivars and their interaction in all studied traits were significantly affected at the 5% probability level”

✓ located verbatim in the source · abstract, characters 658–806 · show in text ↑
t0

“Alfalfa (Medicago sativa L.)”

✓ located verbatim in the source · title, characters 65–93 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Primed treatments without salinity were highest across cultivars.

Taxon
AlfalfaMedicago sativat0
Outcome
Priming treatments in non-salinity of all cultivars were the higheste0
Direction
higheste0

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

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“Priming treatments in non-salinity of all cultivars were the highest”

✓ located verbatim in the source · abstract, characters 808–876 · show in text ↑
t0

“Alfalfa (Medicago sativa L.)”

✓ located verbatim in the source · title, characters 65–93 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Priming improved final germination percentage at 50-200 mM salinity.

Taxon
AlfalfaMedicago sativat0
Treatment
priming in salinity levels of 50-200 mMe0
Outcome
final germination percentagee0
Direction
improvede0
Comparator
controle0

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

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“In all cultivars, final germination percentage, length and weight of radicle, plumule and seedling, germination rate and time, relative radicle elongation, vigor index and stress index, were significantly improved in response to priming in salinity levels of 50-200 mM, compared to control”

✓ located verbatim in the source · abstract, characters 878–1167 · show in text ↑
t0

“Alfalfa (Medicago sativa L.)”

✓ located verbatim in the source · title, characters 65–93 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Priming improved radicle, plumule and seedling length and weight at 50-200 mM salinity.

Taxon
AlfalfaMedicago sativat0
Treatment
priming in salinity levels of 50-200 mMe0
Outcome
length and weight of radicle, plumule and seedlinge0
Direction
improvede0
Comparator
controle0

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

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“In all cultivars, final germination percentage, length and weight of radicle, plumule and seedling, germination rate and time, relative radicle elongation, vigor index and stress index, were significantly improved in response to priming in salinity levels of 50-200 mM, compared to control”

✓ located verbatim in the source · abstract, characters 878–1167 · show in text ↑
t0

“Alfalfa (Medicago sativa L.)”

✓ located verbatim in the source · title, characters 65–93 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Priming improved germination rate and time at 50-200 mM salinity.

Taxon
AlfalfaMedicago sativat0
Treatment
priming in salinity levels of 50-200 mMe0
Outcome
germination rate and timee0
Direction
improvede0
Comparator
controle0

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

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“In all cultivars, final germination percentage, length and weight of radicle, plumule and seedling, germination rate and time, relative radicle elongation, vigor index and stress index, were significantly improved in response to priming in salinity levels of 50-200 mM, compared to control”

✓ located verbatim in the source · abstract, characters 878–1167 · show in text ↑
t0

“Alfalfa (Medicago sativa L.)”

✓ located verbatim in the source · title, characters 65–93 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Priming improved relative radicle elongation, vigor index and stress index at 50-200 mM salinity.

Taxon
AlfalfaMedicago sativat0
Treatment
priming in salinity levels of 50-200 mMe0
Outcome
relative radicle elongation, vigor index and stress indexe0
Direction
improvede0
Comparator
controle0

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

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“In all cultivars, final germination percentage, length and weight of radicle, plumule and seedling, germination rate and time, relative radicle elongation, vigor index and stress index, were significantly improved in response to priming in salinity levels of 50-200 mM, compared to control”

✓ located verbatim in the source · abstract, characters 878–1167 · show in text ↑
t0

“Alfalfa (Medicago sativa L.)”

✓ located verbatim in the source · title, characters 65–93 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Radicles were longer and heavier than plumules under hydro-priming and salinity.

Taxon
AlfalfaMedicago sativat0
Organ / stage
Radiclee0
Outcome
length and weighte0
Direction
highere0
Comparator
plumulee0

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

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“Radicle produced higher length and weight than the plumule in hydro- priming and salinity treatments”

✓ located verbatim in the source · abstract, characters 1169–1269 · show in text ↑
t0

“Alfalfa (Medicago sativa L.)”

✓ located verbatim in the source · title, characters 65–93 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Hamedani responded better than other cultivars for most traits.

Taxon
AlfalfaMedicago sativat0
Material
‘Hamedani’e0
Outcome
most of studied characteristicse0
Direction
bettere0
Comparator
otherse0

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

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“‘Hamedani’ cultivar in most of studied characteristics had a better response than others”

✓ located verbatim in the source · abstract, characters 1271–1359 · show in text ↑
t0

“Alfalfa (Medicago sativa L.)”

✓ located verbatim in the source · title, characters 65–93 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Yazdi had the lowest response to salinity stress and priming.

Taxon
AlfalfaMedicago sativat0
Material
‘Yazdi’e0
Outcome
response to salinity stress and priminge0
Direction
loweste0

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

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“The lowest response to salinity stress and priming was observed in ‘Yazdi’ cultivar”

✓ located verbatim in the source · abstract, characters 1361–1444 · show in text ↑
t0

“Alfalfa (Medicago sativa L.)”

✓ located verbatim in the source · title, characters 65–93 · show in text ↑

seed treatment · growth · Medicago sativa (alfalfa)Positive and negative results

34 papers: 23 positive, 11 negative or no effect

22 papers in the same direction as this paper · 11 in the opposite direction

  1. positive
  2. negative
  3. no effect

30 papers more in this group

See all 34 papers →

salinity · growth · Medicago sativa (alfalfa)Positive and negative results

95 papers: 19 positive, 76 negative or no effect

18 papers in the same direction as this paper · 76 in the opposite direction

  1. negative
  2. negative
  3. negative

91 papers more in this group

See all 95 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.