Paper · 2002 · New Phytologist

Short‐term waterlogging has long‐term effects on the growth and physiology of wheat

Al Imran Malik; Timothy D. Colmer; Hans Lambers; et al.

10
claims
20
verbatim quotes
334
citations
2
research areas
✓
Open access

Abstract

Summary The effect of different durations of waterlogging and subsequent drainage is described for 3‐wk‐old wheat ( Triticum aestivum ) plants. In a pot experiment, plants were subjected to waterlogging to the soil surface for 0, 3, 7, 14, 21 or 28 d, and then drained to allow recovery for up to 25 d. During waterlogging, the seminal root system stopped growing. Adventitious roots grew to a maximum length of c . 150 mm. Leaf nitrogen concentration was severely decreased by waterlogging. When waterlogged pots were drained, seminal root mass did not recover to control values, even when waterlogging lasted only 3 or 7 d, due to death of existing apices and no initiation of new lateral roots. By contrast, adventitious roots resumed elongation after drainage. By the end of the experiment, shoot mass remained two‐ to threefold lower in plants from all waterlogged treatments compared with continuously drained controls, due to lower tiller numbers and shorter final leaf lengths in previously waterlogged plants. The results demonstrate that even short periods (as little as 3 d) of waterlogging have considerable long‐term effects on the growth of young wheat plants.

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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 10

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Seminal roots stopped growing during waterlogging.

Treatment
waterlogginge0
Outcome
seminal root systeme0
Direction
stopped growinge0

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 ↗

Schema note from the model: taxon from title

Verbatim

e0

“During waterlogging, the seminal root system stopped growing.”

✓ located verbatim in the source · abstract, characters 303–364 · show in text ↑
t0

“wheat”

✓ located verbatim in the source · title, characters 78–83 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Adventitious roots grew to about 150 mm.

Outcome
Adventitious rootse0
Direction
maximume0
Value
c . 150 mme0

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 ↗

Schema note from the model: taxon from title

Verbatim

e0

“Adventitious roots grew to a maximum length of c . 150 mm.”

✓ located verbatim in the source · abstract, characters 365–423 · show in text ↑
t0

“wheat”

✓ located verbatim in the source · title, characters 78–83 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Waterlogging severely reduced leaf nitrogen concentration.

Treatment
waterlogginge0
Outcome
Leaf nitrogen concentratione0
Direction
decreasede0

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 ↗

Schema note from the model: taxon from title

Verbatim

e0

“Leaf nitrogen concentration was severely decreased by waterlogging.”

✓ located verbatim in the source · abstract, characters 424–491 · show in text ↑
t0

“wheat”

✓ located verbatim in the source · title, characters 78–83 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Seminal root mass did not recover to control values after drainage, even following 3 or 7 days of waterlogging.

Treatment
waterlogginge0
Outcome
seminal root masse0
Direction
did not recovere0
Qualifier
3 or 7 de0
Comparator
control valuese0

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 ↗

Schema note from the model: taxon from title

Verbatim

e0

“seminal root mass did not recover to control values, even when waterlogging lasted only 3 or 7 d”

✓ located verbatim in the source · abstract, characters 528–624 · show in text ↑
t0

“wheat”

✓ located verbatim in the source · title, characters 78–83 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Existing seminal root apices died after waterlogging.

Outcome
death of existing apicese0

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 ↗

Schema note from the model: taxon from title

Verbatim

e0

“due to death of existing apices and no initiation of new lateral roots.”

✓ located verbatim in the source · abstract, characters 626–697 · show in text ↑
t0

“wheat”

✓ located verbatim in the source · title, characters 78–83 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

New lateral roots were not initiated after waterlogging.

Outcome
no initiation of new lateral rootse0

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 ↗

Schema note from the model: taxon from title

Verbatim

e0

“due to death of existing apices and no initiation of new lateral roots.”

✓ located verbatim in the source · abstract, characters 626–697 · show in text ↑
t0

“wheat”

✓ located verbatim in the source · title, characters 78–83 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Adventitious roots resumed elongation after drainage.

Outcome
adventitious roots resumed elongatione0
Qualifier
after drainagee0

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 ↗

Schema note from the model: taxon from title

Verbatim

e0

“adventitious roots resumed elongation after drainage.”

✓ located verbatim in the source · abstract, characters 711–764 · show in text ↑
t0

“wheat”

✓ located verbatim in the source · title, characters 78–83 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Shoot mass remained two- to threefold lower in previously waterlogged plants.

Treatment
waterlogged treatmentse0
Outcome
shoot masse0
Direction
lowere0
Value
two‐ to threefolde0
Comparator
continuously drained controlse0

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 ↗

Schema note from the model: taxon from title

Verbatim

e0

“shoot mass remained two‐ to threefold lower in plants from all waterlogged treatments compared with continuously drained controls”

✓ located verbatim in the source · abstract, characters 795–924 · show in text ↑
t0

“wheat”

✓ located verbatim in the source · title, characters 78–83 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Previously waterlogged plants had fewer tillers.

Treatment
previously waterloggede0
Outcome
tiller numberse0
Direction
lowere0

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 ↗

Schema note from the model: taxon from title

Verbatim

e0

“due to lower tiller numbers and shorter final leaf lengths in previously waterlogged plants.”

✓ located verbatim in the source · abstract, characters 926–1018 · show in text ↑
t0

“wheat”

✓ located verbatim in the source · title, characters 78–83 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Previously waterlogged plants had shorter final leaves.

Treatment
previously waterloggede0
Outcome
final leaf lengthse0
Direction
shortere0

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 ↗

Schema note from the model: taxon from title

Verbatim

e0

“due to lower tiller numbers and shorter final leaf lengths in previously waterlogged plants.”

✓ located verbatim in the source · abstract, characters 926–1018 · show in text ↑
t0

“wheat”

✓ located verbatim in the source · title, characters 78–83 · show in text ↑

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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.