Paper · 2008 · Archives of Phytopathology and Plant Protection

Osmopriming enhances pearl millet growth and induces downy mildew disease resistance

K. S. Roopa; N. P. Geetha; R. G. Sharathchandra; et al.

9
claims
20
verbatim quotes
5
citations
4
research areas
—
Not open access

Abstract

Abstract The osmoconditioning effect on pearl millet seeds was tested with different concentrations among which 1% showed an optimum effect. Seeds osmoprimed with mannitol for 3 h followed by overnight drying offered maximum germination of 99% and seedling vigour of 1465 followed by PEG and glycerol. All the three osmopriming agents recorded a significant increase on growth parameters like height of the plant, leaf area, number of tillers per plant. The results indicated that mannitol offered a maximum positive effect followed by PEG and glycerol. Notably, osmopriming has advanced five days of flowering and also has a positive effect on number and length of the earheads. The osmoconditioning agent increased the 1000 seed weight significantly over the untreated control. When the osmoprimed seeds were germinated and inoculated with downy mildew pathogen, the maximum protection of 61.76% was observed in mannitol treatment followed by PEG and glycerol under greenhouse conditions. Osmopriming has promoted seed germination percentage, seedling vigour index and growth parameters in pearl millet and also reduced downy mildew incidence.

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The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 9

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

A 1% osmoconditioning concentration had the optimum effect.

Taxon
pearl milletCenchrus americanuse0
Treatment
1%e0
Outcome
optimum effecte0
Direction
optimume0
Comparator
different concentrationse0

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

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“The osmoconditioning effect on pearl millet seeds was tested with different concentrations among which 1% showed an optimum effect.”

✓ located verbatim in the source · abstract, characters 9–140 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mannitol osmopriming gave maximum seed germination of 99%.

Taxon
pearl milletCenchrus americanust0
Treatment
osmoprimed with mannitol for 3 h followed by overnight dryinge0
Outcome
germinatione0
Direction
maximume0
Value
99%e0
Comparator
PEG and glycerole0

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

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Seeds osmoprimed with mannitol for 3 h followed by overnight drying offered maximum germination of 99% and seedling vigour of 1465 followed by PEG and glycerol.”

✓ located verbatim in the source · abstract, characters 141–301 · show in text ↑
t0

“pearl millet growth”

✓ located verbatim in the source · title, characters 21–40 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mannitol osmopriming gave maximum seedling vigour of 1465.

Taxon
pearl milletCenchrus americanust0
Treatment
osmoprimed with mannitol for 3 h followed by overnight dryinge0
Outcome
seedling vigoure0
Direction
maximume0
Value
1465e0
Comparator
PEG and glycerole0

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

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Seeds osmoprimed with mannitol for 3 h followed by overnight drying offered maximum germination of 99% and seedling vigour of 1465 followed by PEG and glycerol.”

✓ located verbatim in the source · abstract, characters 141–301 · show in text ↑
t0

“pearl millet growth”

✓ located verbatim in the source · title, characters 21–40 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

All three osmopriming agents significantly increased plant height, leaf area and tillers.

Taxon
pearl milletCenchrus americanust0
Treatment
three osmopriming agentse0
Outcome
height of the plant, leaf area, number of tillers per plante0
Direction
increasee0

Not reportedComparator

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

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“All the three osmopriming agents recorded a significant increase on growth parameters like height of the plant, leaf area, number of tillers per plant.”

✓ located verbatim in the source · abstract, characters 302–453 · show in text ↑
t0

“pearl millet growth”

✓ located verbatim in the source · title, characters 21–40 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mannitol had the greatest positive growth effect, followed by PEG and glycerol.

Taxon
pearl milletCenchrus americanust0
Treatment
mannitole0
Outcome
growth parameterse1
Direction
maximume0
Comparator
PEG and glycerole0

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

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“mannitol offered a maximum positive effect followed by PEG and glycerol.”

✓ located verbatim in the source · abstract, characters 481–553 · show in text ↑
e1

“growth parameters like height of the plant, leaf area, number of tillers per plant.”

✓ located verbatim in the source · abstract, characters 370–453 · show in text ↑
t0

“pearl millet growth”

✓ located verbatim in the source · title, characters 21–40 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Osmopriming advanced flowering by five days.

Taxon
pearl milletCenchrus americanust0
Treatment
osmopriminge0
Outcome
floweringe0
Direction
advancede0
Value
five dayse0

Not reportedComparator

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

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“osmopriming has advanced five days of flowering”

✓ located verbatim in the source · abstract, characters 563–610 · show in text ↑
t0

“pearl millet growth”

✓ located verbatim in the source · title, characters 21–40 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Osmopriming increased earhead number and length.

Taxon
pearl milletCenchrus americanust0
Treatment
osmopriminge1
Outcome
number and length of the earheadse0
Direction
positive effecte0

Not reportedComparator

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

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“also has a positive effect on number and length of the earheads.”

✓ located verbatim in the source · abstract, characters 615–679 · show in text ↑
e1

“osmopriming has advanced five days of flowering”

✓ located verbatim in the source · abstract, characters 563–610 · show in text ↑
t0

“pearl millet growth”

✓ located verbatim in the source · title, characters 21–40 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Osmoconditioning significantly increased 1000 seed weight relative to untreated control.

Taxon
pearl milletCenchrus americanust0
Treatment
osmoconditioning agente0
Outcome
1000 seed weighte0
Direction
increasede0
Comparator
untreated controle0

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

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“The osmoconditioning agent increased the 1000 seed weight significantly over the untreated control.”

✓ located verbatim in the source · abstract, characters 680–779 · show in text ↑
t0

“pearl millet growth”

✓ located verbatim in the source · title, characters 21–40 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mannitol treatment gave maximum downy mildew protection of 61.76% under greenhouse conditions.

Taxon
pearl milletCenchrus americanust0
Treatment
mannitol treatmente0
Interactor
downy mildew pathogene1pathogen
Outcome
protectione0
Direction
maximume0
Value
61.76%e0
Comparator
PEG and glycerole0
Setting
greenhouse conditionse0

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

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“the maximum protection of 61.76% was observed in mannitol treatment followed by PEG and glycerol under greenhouse conditions.”

✓ located verbatim in the source · abstract, characters 865–990 · show in text ↑
e1

“inoculated with downy mildew pathogen”

✓ located verbatim in the source · abstract, characters 826–863 · show in text ↑
t0

“pearl millet growth”

✓ located verbatim in the source · title, characters 21–40 · show in text ↑

mannitol · growth · Cenchrus americanus (pearl millet)Results 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 →

mannitol · control · Cenchrus americanus (pearl millet)Results 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 →

seed treatment · yield · Cenchrus americanus (pearl millet)Results differ

27 papers: 23 positive, 4 negative or no effect

22 papers in the same direction as this paper · 4 in the opposite direction

  1. no effect
  2. no effect
  3. no effect

23 papers more in this group

See all 27 papers →

processing · growth · Cenchrus americanus (pearl millet)Positive and negative results

4 papers: 2 positive, 2 negative or no effect

1 paper in the same direction as this paper · 2 in the opposite direction

  1. no effect
  2. negative
  3. positive
See all 4 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.