Paper · 2016 · Acta Agriculturae Scandinavica Section B - Soil & Plant Science

Amelioration of salinity stress in different basil (Ocimum basilicumL.) varieties by vesicular-arbuscular mycorrhizal fungi

Khalid Elhindi; Ahmed Sharaf El Din; Eslam Abdel-Salam; et al.

7
claims
14
verbatim quotes
10
citations
3
research areas
—
Not open access

Abstract

Although the salt resistance mechanisms in plants have received much consideration for many years, varieties’ differences affecting salt resistance are still unsettled. Within the Ocimum genus there occur about 200 species in different varieties and forms. A pot experiment was performed to better understand salt stress responses in crop plants; we compared the impacts of salinity stress on growth and physio-biochemical characteristics in three varieties of basil (Ocimum basilicum) var. odoratus, O. b. var. alba and O. b. var. purpurascens) grown under four levels of salinity stress (0, 50, 100, and 150 mM NaCl) with mycorrhiza (Glomus clarum Nicol. & Schenck) or without. Results showed significant differences within salinity treatments in all cultivars studied. In this study, the biomass production and physio-biochemical parameters of all cultivars reduced with raised salinity levels except concentration of reducing sugars, sodium, and proline at 150 mM of NaCl, only the variety ‘purpurascens’ didn't show reduction and observed resistant against severe salinity. The colonization of arbuscular mycorrhiza fungi enhanced the biomass production and accumulation of nutrients, reducing sugars, total soluble carbohydrates, photosynthetic pigments, proline, and protein by reducing Na. This study should help understand the function of AMF fungi in basil cultivars’ tolerance to salinity stress.

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Claims 7

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Increasing salinity reduced biomass production in the basil cultivars except purpurascens at 150 mM NaCl.

Treatment
raised salinity levelse1
Outcome
biomass productione1
Direction
reducede1
Qualifier
only the variety ‘purpurascens’ didn't show reductione1

Not reportedComparator

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

Ocimum basilicum
Ocimum basilicum · TaxonCastielli · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“basil (Ocimum basilicum)”

✓ located verbatim in the source · abstract, characters 461–485 · show in text ↑
e1

“the biomass production and physio-biochemical parameters of all cultivars reduced with raised salinity levels except concentration of reducing sugars, sodium, and proline at 150 mM of NaCl, only the variety ‘purpurascens’ didn't show reduction”

✓ located verbatim in the source · abstract, characters 787–1030 · show in text ↑
Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Increasing salinity reduced basil physio-biochemical parameters, apart from reducing sugars, sodium and proline at 150 mM NaCl.

Treatment
raised salinity levelse1
Outcome
physio-biochemical parameterse1
Direction
reducede1
Qualifier
except concentration of reducing sugars, sodium, and proline at 150 mM of NaCle1

Not reportedComparator

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

Ocimum basilicum
Ocimum basilicum · TaxonCastielli · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“basil (Ocimum basilicum)”

✓ located verbatim in the source · abstract, characters 461–485 · show in text ↑
e1

“physio-biochemical parameters of all cultivars reduced with raised salinity levels except concentration of reducing sugars, sodium, and proline at 150 mM of NaCl”

✓ located verbatim in the source · abstract, characters 814–975 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Purpurascens did not show reduction and was resistant under severe salinity.

Material
purpurascense1
Outcome
resistant against severe salinitye1

Not reportedDirection

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

Ocimum basilicum
Ocimum basilicum · TaxonCastielli · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“basil (Ocimum basilicum)”

✓ located verbatim in the source · abstract, characters 461–485 · show in text ↑
e1

“only the variety ‘purpurascens’ didn't show reduction and observed resistant against severe salinity”

✓ located verbatim in the source · abstract, characters 977–1077 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mycorrhizal colonization enhanced basil biomass production.

Treatment
colonization of arbuscular mycorrhiza fungie1
Interactor
arbuscular mycorrhiza fungie1symbiont
Outcome
biomass productione1
Direction
enhancede1

Not reportedComparator

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

Ocimum basilicum
Ocimum basilicum · TaxonCastielli · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“basil (Ocimum basilicum)”

✓ located verbatim in the source · abstract, characters 461–485 · show in text ↑
e1

“The colonization of arbuscular mycorrhiza fungi enhanced the biomass production and accumulation of nutrients, reducing sugars, total soluble carbohydrates, photosynthetic pigments, proline, and protein by reducing Na”

✓ located verbatim in the source · abstract, characters 1079–1296 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mycorrhizal colonization enhanced nutrient, sugar and carbohydrate accumulation in basil.

Treatment
colonization of arbuscular mycorrhiza fungie1
Interactor
arbuscular mycorrhiza fungie1symbiont
Outcome
accumulation of nutrients, reducing sugars, total soluble carbohydratese1
Direction
enhancede1

Not reportedComparator

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

Ocimum basilicum
Ocimum basilicum · TaxonCastielli · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“basil (Ocimum basilicum)”

✓ located verbatim in the source · abstract, characters 461–485 · show in text ↑
e1

“The colonization of arbuscular mycorrhiza fungi enhanced the biomass production and accumulation of nutrients, reducing sugars, total soluble carbohydrates, photosynthetic pigments, proline, and protein by reducing Na”

✓ located verbatim in the source · abstract, characters 1079–1296 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mycorrhizal colonization enhanced photosynthetic pigments, proline and protein accumulation in basil.

Treatment
colonization of arbuscular mycorrhiza fungie1
Interactor
arbuscular mycorrhiza fungie1symbiont
Outcome
photosynthetic pigments, proline, and proteine1
Direction
enhancede1

Not reportedComparator

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

Ocimum basilicum
Ocimum basilicum · TaxonCastielli · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“basil (Ocimum basilicum)”

✓ located verbatim in the source · abstract, characters 461–485 · show in text ↑
e1

“The colonization of arbuscular mycorrhiza fungi enhanced the biomass production and accumulation of nutrients, reducing sugars, total soluble carbohydrates, photosynthetic pigments, proline, and protein by reducing Na”

✓ located verbatim in the source · abstract, characters 1079–1296 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mycorrhizal colonization reduced Na in basil.

Treatment
colonization of arbuscular mycorrhiza fungie1
Interactor
arbuscular mycorrhiza fungie1symbiont
Outcome
Nae1
Direction
reducinge1

Not reportedComparator

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

Ocimum basilicum
Ocimum basilicum · TaxonCastielli · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“basil (Ocimum basilicum)”

✓ located verbatim in the source · abstract, characters 461–485 · show in text ↑
e1

“The colonization of arbuscular mycorrhiza fungi enhanced the biomass production and accumulation of nutrients, reducing sugars, total soluble carbohydrates, photosynthetic pigments, proline, and protein by reducing Na”

✓ located verbatim in the source · abstract, characters 1079–1296 · show in text ↑

mycorrhiza · quality: sugar starch · Ocimum basilicum (basil)Results differ

3 papers: 2 positive, 1 negative or no effect

1 paper in the same direction as this paper · 1 in the opposite direction

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

mycorrhiza · nutrient: content · Ocimum basilicum (basil)Results agree

7 papers: 7 positive, 0 negative or no effect

6 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

3 papers more in this group

See all 7 papers →

mycorrhiza · yield · Ocimum basilicum (basil)Results agree

7 papers: 7 positive, 0 negative or no effect

6 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

3 papers more in this group

See all 7 papers →

salinity · yield · Ocimum basilicum (basil)Results agree

14 papers: 0 positive, 14 negative or no effect

13 papers in the same direction as this paper

  1. negative
  2. negative
  3. negative

10 papers more in this group

See all 14 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.