Paper · 2006 · Grassland and Turf

The influence of drought on seeds' germination ability of Poa pratensis cultivars

Yajun Chen

4
claims
6
verbatim quotes
0
citations
2
research areas
—
Not open access

Abstract

Using PEG solution of different concentrations to simulate drought,germination ability of 9 Poa pratensis cultivars in drought condition were studied.The results demonstrated that low concentration of PEG(0.025 mg/mL) could promote seeds' germination of Poa pratensis culticars.When concentration reached 0.05 mg/mL,germination of Poa pratensis cultivars was restrained,and with the increasing of concentration,restraining function increased.Restraining functions among different cultivars were significantly different.

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Claims 4

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

A low PEG concentration (0.025 mg/mL) promoted seed germination of Poa pratensis cultivars.

Taxon
Poa pratensisPoa pratensise0
Treatment
low concentration of PEG(0.025 mg/mL)e0
Outcome
seeds' germinatione0
Direction
promotee0

Not reportedComparator

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

Poa pratensis
Poa pratensis · TaxonRasbak 08:35, 1 May 2007 (UTC) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“low concentration of PEG(0.025 mg/mL) could promote seeds' germination of Poa pratensis culticars”

✓ located verbatim in the source · abstract, characters 180–277 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

At 0.05 mg/mL PEG, germination of Poa pratensis cultivars was restrained.

Taxon
Poa pratensisPoa pratensise0
Treatment
concentration reached 0.05 mg/mLe0
Outcome
germinatione0
Direction
restrainede0

Not reportedComparator

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

Poa pratensis
Poa pratensis · TaxonRasbak 08:35, 1 May 2007 (UTC) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“When concentration reached 0.05 mg/mL,germination of Poa pratensis cultivars was restrained”

✓ located verbatim in the source · abstract, characters 278–369 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

The restraining effect of PEG on germination of Poa pratensis increased with increasing PEG concentration.

Taxon
Poa pratensisPoa pratensist0
Treatment
increasing of concentratione0
Outcome
restraining functione0
Direction
increasede0

Not reportedComparator

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

Poa pratensis
Poa pratensis · TaxonRasbak 08:35, 1 May 2007 (UTC) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Poa pratensis”

✓ located verbatim in the source · title, characters 58–71 · show in text ↑
e0

“with the increasing of concentration,restraining function increased”

✓ located verbatim in the source · abstract, characters 374–441 · show in text ↑
Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Restraining functions of PEG differed significantly among the Poa pratensis cultivars.

Taxon
Poa pratensisPoa pratensist0
Material
different cultivarse0
Outcome
Restraining functionse0

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

Poa pratensis
Poa pratensis · TaxonRasbak 08:35, 1 May 2007 (UTC) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Poa pratensis”

✓ located verbatim in the source · title, characters 58–71 · show in text ↑
e0

“Restraining functions among different cultivars were significantly different”

✓ located verbatim in the source · abstract, characters 442–518 · show in text ↑

drought · growth · Poa pratensis (Kentucky bluegrass)Results differ

10 papers: 2 positive, 8 negative or no effect

1 paper in the same direction as this paper · 8 in the opposite direction

  1. negative
  2. negative
  3. negative

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.