Paper · 2013 · World Journal of Agricultural Research

Assessment of Diode Laser Pretreatments on Germination and Yield of Wheat (Triticum aestivum L.) under Salinity Stress

Leila Ferdosizadeh; Seyed Ahmad Sadat-Noori; Naeemeh Zare; et al.

4
claims
8
verbatim quotes
11
citations
2
research areas
—
Not open access

Abstract

The results of the effect of laser radiation on germination and yield of wheat under NaCl concentrations (i.e., 0, 100, 200 and 300 mM NaCl) are reported in irrigated water Final Germination Percentage, Mean Time for Germination, Mean Daily Germination, Daily Germination Speed and Yield were determined for Two diode\lasers, emitting 660nm semi-coherent red beam and 980nm infrared beam, and one second harmonics of Neodymium-Yttrium-Aluminum Garnet (Nd:YAG) laser emitting 532nm were chosen as illumination sources. The seeds of wheat were irradiated for 12 minutes. The standard germination test and yield improved significantly by increasing the intensity dose of laser irradiation. All different types of evaluated laser radiation (Red, Infra-Red and Nd:YAG lasers) improved standard germination test and yield considerably compared to control samples. Results showed that the best efficiency was related to Nd:YAG laser with two times illumination. Consequently, application of semi-coherent laser radiation, as a pretreatment, can significantly enhance the resistance of wheat to salinity stress comparing to the controlled samples.

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Claims 4

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Increasing the intensity dose of laser irradiation significantly improved standard germination and yield of wheat under NaCl salinity.

Taxon
Wheat (Triticum aestivum L.)Triticum aestivumt0
Treatment
intensity dose of laser irradiatione1
Outcome
standard germination test and yielde1
Direction
improvede1
Qualifier
NaCl concentrationse0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The results of the effect of laser radiation on germination and yield of wheat under NaCl concentrations (i.e., 0, 100, 200 and 300 mM NaCl) are reported in irrigated water”

✓ located verbatim in the source · abstract, characters 0–172 · show in text ↑
e1

“The standard germination test and yield improved significantly by increasing the intensity dose of laser irradiation”

✓ located verbatim in the source · abstract, characters 569–685 · show in text ↑
t0

“Wheat (Triticum aestivum L.)”

✓ located verbatim in the source · title, characters 68–96 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Red, infrared and Nd:YAG laser radiation each improved standard germination and yield of wheat compared with control samples.

Taxon
Wheat (Triticum aestivum L.)Triticum aestivumt0
Treatment
evaluated laser radiation (Red, Infra-Red and Nd:YAG lasers)e2
Outcome
standard germination test and yielde2
Direction
improvede2
Comparator
control samplese2

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e2

“All different types of evaluated laser radiation (Red, Infra-Red and Nd:YAG lasers) improved standard germination test and yield considerably compared to control samples”

✓ located verbatim in the source · abstract, characters 687–856 · show in text ↑
t0

“Wheat (Triticum aestivum L.)”

✓ located verbatim in the source · title, characters 68–96 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Nd:YAG laser with two times illumination gave the best efficiency among the laser treatments.

Taxon
Wheat (Triticum aestivum L.)Triticum aestivumt0
Treatment
Nd:YAG laser with two times illuminatione3
Outcome
best efficiencye3
Direction
beste3

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e3

“Results showed that the best efficiency was related to Nd:YAG laser with two times illumination”

✓ located verbatim in the source · abstract, characters 858–953 · show in text ↑
t0

“Wheat (Triticum aestivum L.)”

✓ located verbatim in the source · title, characters 68–96 · show in text ↑
Intervention effectauthor interpretationoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Semi-coherent laser radiation applied as a seed pretreatment can significantly enhance the resistance of wheat to salinity stress compared with controls.

Treatment
application of semi-coherent laser radiation, as a pretreatmente4
Outcome
resistance of wheat to salinity stresse4
Direction
enhancee4
Comparator
controlled samplese4

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e4

“application of semi-coherent laser radiation, as a pretreatment, can significantly enhance the resistance of wheat to salinity stress comparing to the controlled samples”

✓ located verbatim in the source · abstract, characters 969–1138 · show in text ↑

radiation · yield · Triticum aestivum (wheat)Results differ

39 papers: 23 positive, 16 negative or no effect

22 papers in the same direction as this paper · 16 in the opposite direction

  1. negative
  2. no effect
  3. negative

35 papers more in this group

See all 39 papers →

radiation · disease · Triticum aestivum (wheat)Positive and negative results

10 papers: 7 positive, 3 negative or no effect

6 papers in the same direction as this paper · 2 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
  2. negative
  3. no effect

6 papers more in this group

See all 10 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.