Paper · 2012 · TURKISH JOURNAL OF BIOLOGY

Effect of exogenous application of ascorbic acid on antioxidant enzyme activities, proline contents, and growth parameters of Saccharum spp. hybrid cv. HSF-240 under salt stress

BATOOL EJAZ; ZAHOOR AHMAD SAJID; FAHEEM AFTAB

5
claims
9
verbatim quotes
75
citations
1
research areas
✓
Open access

Abstract

The present study was undertaken to examine the effects of exogenous application of ascorbic acid (AA) through different modes on growth and associated biochemical parameters in Saccharum spp. hybrid cv. HSF-240, under salt stress. In a pot experiment, AA was applied through irrigation or foliar-spray at the concentrations of 0.1, 0.5, and 1 mM with or without 100 mM NaCl concentration. Vegetative growth measurements, antioxidant enzyme activities (POD and SOD), and protein and proline contents of plants were recorded to study the effects of these treatments. The presence of salt reduced the growth of sugarcane plants. The AA application not only mitigated the inhibitory effects of salt stress but also induced a stimulatory effect on all the studied growth parameters. The activities of antioxidant enzymes (POD and SOD) as well as proline contents of plants were increased, although the protein contents were decreased after AA application. The exogenous application of AA through either way significantly alleviated the adverse effects of salinity on growth and biochemical parameters of sugarcane plants. However, in this study, the AA application through irrigation proved to be a better option in mitigating the adverse effects of salinity.

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Claims 5

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Salt reduced sugarcane growth.

Taxon
sugarcanee0
Treatment
salte0
Outcome
growthe0
Direction
reducede0

Not reportedComparator

Verbatim

e0

“The presence of salt reduced the growth of sugarcane plants”

✓ located verbatim in the source · abstract, characters 566–625 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Ascorbic acid mitigated salinity inhibition and stimulated all studied growth parameters.

Taxon
Saccharum spp.Saccharumt0
Treatment
AA applicatione0
Outcome
growth parameterse0
Direction
stimulatory effecte0
Qualifier
salt stresse0

Not reportedComparator

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

Saccharum
Saccharum · Taxon · picture of the genus (one of its species)Ton Rulkens · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“The AA application not only mitigated the inhibitory effects of salt stress but also induced a stimulatory effect on all the studied growth parameters”

✓ located verbatim in the source · abstract, characters 627–777 · show in text ↑
t0

“Saccharum spp. hybrid cv. HSF-240”

✓ located verbatim in the source · title, characters 126–159 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Ascorbic acid increased POD and SOD activities and proline content.

Taxon
Saccharum spp.Saccharumt0
Treatment
AA applicatione0
Outcome
activities of antioxidant enzymes (POD and SOD) as well as proline contentse0
Direction
increasede0

Not reportedComparator

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

Saccharum
Saccharum · Taxon · picture of the genus (one of its species)Ton Rulkens · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“The activities of antioxidant enzymes (POD and SOD) as well as proline contents of plants were increased, although the protein contents were decreased after AA application”

✓ located verbatim in the source · abstract, characters 779–950 · show in text ↑
t0

“Saccharum spp. hybrid cv. HSF-240”

✓ located verbatim in the source · title, characters 126–159 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Ascorbic acid decreased plant protein content.

Taxon
Saccharum spp.Saccharumt0
Treatment
AA applicatione0
Outcome
protein contentse0
Direction
decreasede0

Not reportedComparator

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

Saccharum
Saccharum · Taxon · picture of the genus (one of its species)Ton Rulkens · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“the protein contents were decreased after AA application”

✓ located verbatim in the source · abstract, characters 894–950 · show in text ↑
t0

“Saccharum spp. hybrid cv. HSF-240”

✓ located verbatim in the source · title, characters 126–159 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Irrigation application of ascorbic acid mitigated salinity effects better than foliar application.

Treatment
AA application through irrigatione0
Outcome
adverse effects of salinitye0
Direction
bettere0
Comparator
foliar-spraye1

Not reportedTaxon

Verbatim

e0

“the AA application through irrigation proved to be a better option in mitigating the adverse effects of salinity”

✓ located verbatim in the source · abstract, characters 1142–1254 · show in text ↑
e1

“AA was applied through irrigation or foliar-spray”

✓ located verbatim in the source · abstract, characters 253–302 · show in text ↑

ascorbic acid · growth · SaccharumPositive and negative results

2 papers: 1 positive, 1 negative or no effect

1 in the opposite direction

  1. no effect
See all 2 papers →

salinity · growth · Saccharum officinarum (sugarcane)Positive and negative results

18 papers: 3 positive, 15 negative or no effect

14 papers in the same direction as this paper · 3 in the opposite direction

  1. positive
  2. positive
  3. positive

14 papers more in this group

See all 18 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.