Paper · 1981 · Canadian Journal of Plant Science

THE INFLUENCE OF NITROGEN, PHOSPHORUS AND POTASSIUM ON THE COLD ACCLIMATION OF WINTER WHEAT (Triticum aestivum L.)

N. J. TYLER; L. V. GUSTA; D. B. FOWLER

8
claims
22
verbatim quotes
27
citations
1
research areas
✓
Open access

Abstract

Mineral nutrition influenced the rate of cold acclimation and the level of hardiness attained by winter wheat plants grown in modified Hoagland’s solution. Plants grown in modified Hoagland’s solution at (a) one-half strength (control), (b) low potassium and (c) low phosphorus acclimated the fastest and were the hardiest. Plants grown in high and very high levels of nitrogen and a high level of phosphorus were the least hardy. For the acclimation period, significant correlation coefficients existed between the LT 50 and osmotic potential, crown moisture content and crown dry weight for all nutrient regimes. However, when differences due to nutrient regimes were considered, there were no significant correlations with LT 50 .

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Claims 8

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Winter wheat grown with low potassium acclimated faster than the one-half strength control.

Taxon
Triticum aestivumTriticum aestivumt0
Treatment
low potassiume1
Outcome
rate of cold acclimatione0
Direction
fasteste1
Comparator
one-half strength (control)e1

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

e1

“(a) one-half strength (control), (b) low potassium and (c) low phosphorus acclimated the fastest and were the hardiest”

✓ located verbatim in the source · abstract, characters 204–322 · show in text ↑
e0

“Mineral nutrition influenced the rate of cold acclimation and the level of hardiness attained”

✓ located verbatim in the source · abstract, characters 0–93 · show in text ↑
t0

“Triticum aestivum”

✓ located verbatim in the source · title, characters 93–110 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Winter wheat grown with low phosphorus acclimated faster than the one-half strength control.

Taxon
Triticum aestivumTriticum aestivumt0
Treatment
low phosphoruse1
Outcome
rate of cold acclimatione0
Direction
fasteste1
Comparator
one-half strength (control)e1

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

e1

“(a) one-half strength (control), (b) low potassium and (c) low phosphorus acclimated the fastest and were the hardiest”

✓ located verbatim in the source · abstract, characters 204–322 · show in text ↑
e0

“Mineral nutrition influenced the rate of cold acclimation and the level of hardiness attained”

✓ located verbatim in the source · abstract, characters 0–93 · show in text ↑
t0

“Triticum aestivum”

✓ located verbatim in the source · title, characters 93–110 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Winter wheat grown with low potassium reached the highest hardiness compared with the one-half strength control.

Taxon
Triticum aestivumTriticum aestivumt0
Treatment
low potassiume1
Outcome
level of hardinesse0
Direction
hardieste1
Comparator
one-half strength (control)e1

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

e1

“(a) one-half strength (control), (b) low potassium and (c) low phosphorus acclimated the fastest and were the hardiest”

✓ located verbatim in the source · abstract, characters 204–322 · show in text ↑
e0

“Mineral nutrition influenced the rate of cold acclimation and the level of hardiness attained”

✓ located verbatim in the source · abstract, characters 0–93 · show in text ↑
t0

“Triticum aestivum”

✓ located verbatim in the source · title, characters 93–110 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Winter wheat grown with low phosphorus reached the highest hardiness compared with the one-half strength control.

Taxon
Triticum aestivumTriticum aestivumt0
Treatment
low phosphoruse1
Outcome
level of hardinesse0
Direction
hardieste1
Comparator
one-half strength (control)e1

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

e1

“(a) one-half strength (control), (b) low potassium and (c) low phosphorus acclimated the fastest and were the hardiest”

✓ located verbatim in the source · abstract, characters 204–322 · show in text ↑
e0

“Mineral nutrition influenced the rate of cold acclimation and the level of hardiness attained”

✓ located verbatim in the source · abstract, characters 0–93 · show in text ↑
t0

“Triticum aestivum”

✓ located verbatim in the source · title, characters 93–110 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Winter wheat grown at high and very high nitrogen levels was the least hardy.

Taxon
Triticum aestivumTriticum aestivumt0
Treatment
high and very high levels of nitrogene2
Outcome
level of hardinesse0
Direction
least hardye2

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

“Plants grown in high and very high levels of nitrogen and a high level of phosphorus were the least hardy”

✓ located verbatim in the source · abstract, characters 324–429 · show in text ↑
e0

“Mineral nutrition influenced the rate of cold acclimation and the level of hardiness attained”

✓ located verbatim in the source · abstract, characters 0–93 · show in text ↑
t0

“Triticum aestivum”

✓ located verbatim in the source · title, characters 93–110 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Winter wheat grown at a high phosphorus level was the least hardy.

Taxon
Triticum aestivumTriticum aestivumt0
Treatment
a high level of phosphoruse2
Outcome
level of hardinesse0
Direction
least hardye2

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

“Plants grown in high and very high levels of nitrogen and a high level of phosphorus were the least hardy”

✓ located verbatim in the source · abstract, characters 324–429 · show in text ↑
e0

“Mineral nutrition influenced the rate of cold acclimation and the level of hardiness attained”

✓ located verbatim in the source · abstract, characters 0–93 · show in text ↑
t0

“Triticum aestivum”

✓ located verbatim in the source · title, characters 93–110 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

LT 50 was significantly correlated with osmotic potential, crown moisture content and crown dry weight during acclimation across all nutrient regimes.

Taxon
Triticum aestivumTriticum aestivumt0
Organ / stage
crowne3
Outcome
LT 50e3
Qualifier
for all nutrient regimese3

Not reportedDirection

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

“significant correlation coefficients existed between the LT 50 and osmotic potential, crown moisture content and crown dry weight for all nutrient regimes”

✓ located verbatim in the source · abstract, characters 459–613 · show in text ↑
t0

“Triticum aestivum”

✓ located verbatim in the source · title, characters 93–110 · show in text ↑
Associationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

When differences due to nutrient regimes were considered, LT 50 had no significant correlation with the measured traits.

Taxon
Triticum aestivumTriticum aestivumt0
Treatment
nutrient regimese4
Outcome
LT 50e4

Not reportedDirection

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

“when differences due to nutrient regimes were considered, there were no significant correlations with LT 50”

✓ located verbatim in the source · abstract, characters 624–731 · show in text ↑
t0

“Triticum aestivum”

✓ located verbatim in the source · title, characters 93–110 · show in text ↑

phosphorus · tolerance: abiotic · Triticum aestivum (wheat)Positive and negative results

5 papers: 2 positive, 3 negative or no effect

1 paper in the same direction as this paper · 3 in the opposite direction

  1. no effect
  2. negative
  3. no effect

1 paper more in this group

See all 5 papers →

potassium · tolerance: abiotic · Triticum aestivum (wheat)Positive and negative results

6 papers: 4 positive, 2 negative or no effect

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

  1. no effect
  2. negative
  3. positive

2 papers more in this group

See all 6 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.