Paper · 2008 · ASIAN JOURNAL OF ENVIRONMENTAL SCIENCE

Effect of biofertilizers on Jatropha curcas L. under tropical conditions.

Ghazala Kaukab Raja; B. D. Ranjitha Kumari

8
claims
20
verbatim quotes
1
citations
3
research areas
—
Not open access

Abstract

Jatropha curcas L. is a biofuel plant which substitutes the fossil fuels. A study was conducted to investigate the effects of Jatropha seeds inoculated with Vesicular arbuscular mycorrhizal (VAM) fungi, Azospirillum, Azotobacter and Phosphate solubilizing bacteria (PSB) at various combinations. The biofertilizer treated seeds were tested under field conditions and seedlings were uprooted at 30, 60 and 90 days. Combined microbial inoculations resulted in the significant increase of root and shoot length, shoot and root tolerance index, fresh and dry weight of shoot, root and leaves and leaf area of all treated plants compared to control. After 120 days, chlorophyll contents, total soluble sugars, free amino acids and total protein were analyzed and the results indicated that the plants inoculated with Azospirillum + Azotobacter + PSB +VAM fungi showed the significant increase. Morphological and biochemical contents of Jatropha plants were significantly increased by the effect of combined biofertilizers compared to either individual biofertilizer or control. Biofertilizers accelerated the assimilation of nutrients to the plants.

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Claims 8

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Combined microbial inoculations significantly increased root and shoot length of Jatropha curcas compared with control.

Taxon
Jatropha curcas L.Jatropha curcast0
Treatment
Combined microbial inoculationse0
Outcome
root and shoot lengthe0
Direction
increasee0
Comparator
controle0
Setting
field conditionse1

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

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Jatropha curcas L. under tropical conditions”

✓ located verbatim in the source · title, characters 28–72 · show in text ↑
e0

“Combined microbial inoculations resulted in the significant increase of root and shoot length, shoot and root tolerance index, fresh and dry weight of shoot, root and leaves and leaf area of all treated plants compared to control”

✓ located verbatim in the source · abstract, characters 414–643 · show in text ↑
e1

“The biofertilizer treated seeds were tested under field conditions and seedlings were uprooted at 30, 60 and 90 days”

✓ located verbatim in the source · abstract, characters 296–412 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Combined microbial inoculations significantly increased shoot and root tolerance index of Jatropha curcas compared with control.

Taxon
Jatropha curcas L.Jatropha curcast0
Treatment
Combined microbial inoculationse0
Outcome
shoot and root tolerance indexe0
Direction
increasee0
Comparator
controle0
Setting
field conditionse1

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

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Jatropha curcas L. under tropical conditions”

✓ located verbatim in the source · title, characters 28–72 · show in text ↑
e0

“Combined microbial inoculations resulted in the significant increase of root and shoot length, shoot and root tolerance index, fresh and dry weight of shoot, root and leaves and leaf area of all treated plants compared to control”

✓ located verbatim in the source · abstract, characters 414–643 · show in text ↑
e1

“The biofertilizer treated seeds were tested under field conditions and seedlings were uprooted at 30, 60 and 90 days”

✓ located verbatim in the source · abstract, characters 296–412 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Combined microbial inoculations significantly increased fresh and dry weight of shoot, root and leaves of Jatropha curcas compared with control.

Taxon
Jatropha curcas L.Jatropha curcast0
Treatment
Combined microbial inoculationse0
Outcome
fresh and dry weight of shoot, root and leavese0
Direction
increasee0
Comparator
controle0
Setting
field conditionse1

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

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Jatropha curcas L. under tropical conditions”

✓ located verbatim in the source · title, characters 28–72 · show in text ↑
e0

“Combined microbial inoculations resulted in the significant increase of root and shoot length, shoot and root tolerance index, fresh and dry weight of shoot, root and leaves and leaf area of all treated plants compared to control”

✓ located verbatim in the source · abstract, characters 414–643 · show in text ↑
e1

“The biofertilizer treated seeds were tested under field conditions and seedlings were uprooted at 30, 60 and 90 days”

✓ located verbatim in the source · abstract, characters 296–412 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Combined microbial inoculations significantly increased leaf area of Jatropha curcas compared with control.

Taxon
Jatropha curcas L.Jatropha curcast0
Treatment
Combined microbial inoculationse0
Outcome
leaf areae0
Direction
increasee0
Comparator
controle0
Setting
field conditionse1

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

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Jatropha curcas L. under tropical conditions”

✓ located verbatim in the source · title, characters 28–72 · show in text ↑
e0

“Combined microbial inoculations resulted in the significant increase of root and shoot length, shoot and root tolerance index, fresh and dry weight of shoot, root and leaves and leaf area of all treated plants compared to control”

✓ located verbatim in the source · abstract, characters 414–643 · show in text ↑
e1

“The biofertilizer treated seeds were tested under field conditions and seedlings were uprooted at 30, 60 and 90 days”

✓ located verbatim in the source · abstract, characters 296–412 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Azospirillum + Azotobacter + PSB + VAM fungi significantly increased chlorophyll contents, total soluble sugars and free amino acids of Jatropha curcas at 120 days.

Taxon
Jatropha curcas L.Jatropha curcast0
Treatment
Azospirillum + Azotobacter + PSB +VAM fungie2
Outcome
chlorophyll contents, total soluble sugars, free amino acidse2
Direction
increasee2
Qualifier
After 120 dayse2

Not reportedComparator

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

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Jatropha curcas L. under tropical conditions”

✓ located verbatim in the source · title, characters 28–72 · show in text ↑
e2

“After 120 days, chlorophyll contents, total soluble sugars, free amino acids and total protein were analyzed and the results indicated that the plants inoculated with Azospirillum + Azotobacter + PSB +VAM fungi showed the significant increase”

✓ located verbatim in the source · abstract, characters 645–887 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Azospirillum + Azotobacter + PSB + VAM fungi significantly increased total protein of Jatropha curcas at 120 days.

Taxon
Jatropha curcas L.Jatropha curcast0
Treatment
Azospirillum + Azotobacter + PSB +VAM fungie2
Outcome
total proteine2
Direction
increasee2
Qualifier
After 120 dayse2

Not reportedComparator

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

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Jatropha curcas L. under tropical conditions”

✓ located verbatim in the source · title, characters 28–72 · show in text ↑
e2

“After 120 days, chlorophyll contents, total soluble sugars, free amino acids and total protein were analyzed and the results indicated that the plants inoculated with Azospirillum + Azotobacter + PSB +VAM fungi showed the significant increase”

✓ located verbatim in the source · abstract, characters 645–887 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Combined biofertilizers significantly increased morphological and biochemical contents of Jatropha plants compared with either individual biofertilizer or control.

Taxon
Jatropha curcas L.Jatropha curcast0
Treatment
combined biofertilizerse3
Outcome
Morphological and biochemical contentse3
Direction
significantly increasede3
Comparator
either individual biofertilizer or controle3

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

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Jatropha curcas L. under tropical conditions”

✓ located verbatim in the source · title, characters 28–72 · show in text ↑
e3

“Morphological and biochemical contents of Jatropha plants were significantly increased by the effect of combined biofertilizers compared to either individual biofertilizer or control”

✓ located verbatim in the source · abstract, characters 889–1071 · show in text ↑
Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Biofertilizers accelerate the assimilation of nutrients by Jatropha curcas plants.

Taxon
Jatropha curcas L.Jatropha curcast0
Treatment
Biofertilizerse4
Outcome
assimilation of nutrientse4

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

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Jatropha curcas L. under tropical conditions”

✓ located verbatim in the source · title, characters 28–72 · show in text ↑
e4

“Biofertilizers accelerated the assimilation of nutrients to the plants”

✓ located verbatim in the source · abstract, characters 1073–1143 · show in text ↑

inoculation · growth · Jatropha curcasPositive and negative results

11 papers: 9 positive, 2 negative or no effect

8 papers in the same direction as this paper · 2 in the opposite direction

  1. no effect
  2. no effect
  3. positive

7 papers more in this group

See all 11 papers →

inoculation · physiology: pigments · Jatropha curcasResults agree

3 papers: 3 positive, 0 negative or no effect

2 papers in the same direction as this paper

  1. positive
  2. positive
See all 3 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.