Paper · 2008

Effects of water deficit on the leaf water relations of pot-grown olive cultivars

Francesca Grisafi; Eĺisabetta Oddo; Francesca Di Virgilio; et al.

8
claims
13
verbatim quotes
1
citations
3
research areas
—
Not open access

Abstract

An experiment was conducted to investigate the water relations of potted young olive trees (Olea europaea L.) cultivar ‘Biancolilla’, ‘Giarraffa’ and ‘Nocellara del Belice’ during water stress and after relief from stress. The aim was to highlight the different responses of the three cultivars and obtain a decision-making aid for planning an efficient watering schedule for potted plants grown in nurseries. Leaf water potential ( ), relative water content (RWC) and conductance to water vapour (gL) were measured in three-year-old plants. All three olive cultivars were able to survive the severe stress imposed by withholding water for three weeks, but gas exchange was strongly impaired and recovery after rewatering was slow, resulting in a potential reduction of growth. The cultivars showed different responses to drought: ‘Giarraffa’ was the most sensitive, showing the earliest reduction in and the lowest recovery in gL. ‘Biancolilla’ showed higher gL, leaf hydration and under water deficit and appeared to be best adapted to drought. The behaviour of ‘Nocellara del Belice’ was similar to that of ‘Biancolilla’, and a particularly good recovery of gL after rewatering occurred. _____________________________________________________________________________________________________________

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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 8

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

All three olive cultivars survived three weeks without water.

Taxon
oliveOlea europaeae0
Treatment
withholding water for three weekse0
Outcome
survivee0

Not reportedComparatorDirection

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

Olea europaea
Olea europaea · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“All three olive cultivars were able to survive the severe stress imposed by withholding water for three weeks”

✓ located verbatim in the source · abstract, characters 542–651 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Gas exchange was strongly impaired during severe water stress.

Taxon
oliveOlea europaeae0
Treatment
withholding water for three weekse0
Outcome
gas exchangee0
Direction
impairede0

Not reportedComparator

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

Olea europaea
Olea europaea · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“All three olive cultivars were able to survive the severe stress imposed by withholding water for three weeks, but gas exchange was strongly impaired”

✓ located verbatim in the source · abstract, characters 542–691 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Recovery after rewatering was slow.

Taxon
oliveOlea europaeae0
Outcome
recovery after rewateringe0
Direction
slowe0

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

Olea europaea
Olea europaea · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“olive cultivars were able to survive the severe stress imposed by withholding water for three weeks, but gas exchange was strongly impaired and recovery after rewatering was slow”

✓ located verbatim in the source · abstract, characters 552–730 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Giarraffa was the most drought-sensitive cultivar, with the earliest reduction in the unnamed water relation metric and lowest gL recovery.

Taxon
oliveOlea europaeat0
Material
‘Giarraffa’e0
Outcome
lowest recovery in gLe0
Direction
loweste0

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

Olea europaea
Olea europaea · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“‘Giarraffa’ was the most sensitive, showing the earliest reduction in and the lowest recovery in gL”

✓ located verbatim in the source · abstract, characters 831–930 · show in text ↑
t0

“olive cultivars”

✓ located verbatim in the source · title, characters 66–81 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Biancolilla had higher gL, leaf hydration and an unnamed metric under water deficit.

Taxon
oliveOlea europaeat0
Material
‘Biancolilla’e0
Outcome
gL, leaf hydratione0
Direction
highere0

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

Olea europaea
Olea europaea · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“‘Biancolilla’ showed higher gL, leaf hydration and under water deficit”

✓ located verbatim in the source · abstract, characters 932–1002 · show in text ↑
t0

“olive cultivars”

✓ located verbatim in the source · title, characters 66–81 · show in text ↑
Observationauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Biancolilla appeared best adapted to drought.

Taxon
oliveOlea europaeat0
Material
‘Biancolilla’e0
Outcome
best adapted to droughte0

Not reportedDirection

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

Olea europaea
Olea europaea · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“‘Biancolilla’ showed higher gL, leaf hydration and under water deficit and appeared to be best adapted to drought”

✓ located verbatim in the source · abstract, characters 932–1045 · show in text ↑
t0

“olive cultivars”

✓ located verbatim in the source · title, characters 66–81 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Nocellara del Belice responded similarly to Biancolilla.

Taxon
oliveOlea europaeat0
Material
‘Nocellara del Belice’e0
Outcome
behavioure0
Direction
similare0
Comparator
‘Biancolilla’e0

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

Olea europaea
Olea europaea · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The behaviour of ‘Nocellara del Belice’ was similar to that of ‘Biancolilla’”

✓ located verbatim in the source · abstract, characters 1047–1123 · show in text ↑
t0

“olive cultivars”

✓ located verbatim in the source · title, characters 66–81 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Nocellara del Belice had particularly good gL recovery after rewatering.

Taxon
oliveOlea europaeat0
Material
‘Nocellara del Belice’e0
Outcome
recovery of gL after rewateringe0
Direction
goode0

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

Olea europaea
Olea europaea · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“‘Nocellara del Belice’ was similar to that of ‘Biancolilla’, and a particularly good recovery of gL after rewatering occurred”

✓ located verbatim in the source · abstract, characters 1064–1189 · show in text ↑
t0

“olive cultivars”

✓ located verbatim in the source · title, characters 66–81 · show in text ↑

drought · physiology: gas exchange · Olea europaea (common olive)Positive and negative results

7 papers: 1 positive, 6 negative or no effect

5 papers in the same direction as this paper · 1 in the opposite direction

  1. positive
  2. negative
  3. negative

3 papers more in this group

See all 7 papers →

drought · survival · Olea europaea (common olive)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 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.