Paper · 2015 · Redai zuowu xuebao

Effects of Drought Stress on the Physiological Characteristics of Cassava Seeding

Shan Zhong-yin

7
claims
16
verbatim quotes
0
citations
1
research areas
—
Not open access

Abstract

In order to investig ate the physiological characteristics of cassava under various drought stresses, the seedlings of ‘ Xinxuan 048' were grown under the water supply regimes of 20%, 40%, 60% and 80% water-holding capacity respectively in a greenhouse, with no water supply as the control. The results showed that, with the increasing of water supply, plant height, stem diameter, total water content, free water content and the rates of free water and bound water in leaves increased; while the content of proline, soluble sugar(SS), soluble proteins,the cell membrane permeability, and the activities of superoxide dismutase(SOD), peroxidase(POD) decreased. In short, the grouth of cassava seedings were getting worse with the aggravating drought degree, and the best water condition was 80% of field soil moisture capacity in the study.

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Claims 7

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Plant height and stem diameter increased with water supply.

Treatment
increasing of water supplye0
Outcome
plant height, stem diametere0
Direction
increasede0

Not reportedComparator

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

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“with the increasing of water supply, plant height, stem diameter, total water content, free water content and the rates of free water and bound water in leaves increased”

✓ located verbatim in the source · abstract, characters 316–485 · show in text ↑
t0

“cassava”

✓ located after whitespace/quote normalisation · title, characters 66–73 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Total and free leaf water content and the free/bound water rates increased with water supply.

Treatment
increasing of water supplye0
Outcome
total water content, free water content and the rates of free water and bound water in leavese0
Direction
increasede0

Not reportedComparator

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

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“with the increasing of water supply, plant height, stem diameter, total water content, free water content and the rates of free water and bound water in leaves increased”

✓ located verbatim in the source · abstract, characters 316–485 · show in text ↑
t0

“cassava”

✓ located after whitespace/quote normalisation · title, characters 66–73 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Proline, soluble sugar and soluble protein contents decreased with water supply.

Treatment
water supplye1
Outcome
content of proline, soluble sugar(SS), soluble proteinse0
Direction
decreasede0

Not reportedComparator

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

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“while the content of proline, soluble sugar(SS), soluble proteins,the cell membrane permeability, and the activities of superoxide dismutase(SOD), peroxidase(POD) decreased.”

✓ located verbatim in the source · abstract, characters 487–660 · show in text ↑
e1

“with the increasing of water supply”

✓ located verbatim in the source · abstract, characters 316–351 · show in text ↑
t0

“cassava”

✓ located after whitespace/quote normalisation · title, characters 66–73 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Cell membrane permeability decreased with water supply.

Treatment
water supplye1
Outcome
cell membrane permeabilitye0
Direction
decreasede0

Not reportedComparator

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

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“while the content of proline, soluble sugar(SS), soluble proteins,the cell membrane permeability, and the activities of superoxide dismutase(SOD), peroxidase(POD) decreased.”

✓ located verbatim in the source · abstract, characters 487–660 · show in text ↑
e1

“with the increasing of water supply”

✓ located verbatim in the source · abstract, characters 316–351 · show in text ↑
t0

“cassava”

✓ located after whitespace/quote normalisation · title, characters 66–73 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Superoxide dismutase and peroxidase activities decreased with water supply.

Treatment
water supplye1
Outcome
activities of superoxide dismutase(SOD), peroxidase(POD)e0
Direction
decreasede0

Not reportedComparator

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

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“while the content of proline, soluble sugar(SS), soluble proteins,the cell membrane permeability, and the activities of superoxide dismutase(SOD), peroxidase(POD) decreased.”

✓ located verbatim in the source · abstract, characters 487–660 · show in text ↑
e1

“with the increasing of water supply”

✓ located verbatim in the source · abstract, characters 316–351 · show in text ↑
t0

“cassava”

✓ located after whitespace/quote normalisation · title, characters 66–73 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Cassava growth worsened as drought intensified.

Treatment
aggravating drought degreee0
Outcome
grouth of cassava seedingse0
Direction
getting worsee0

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

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“the grouth of cassava seedings were getting worse with the aggravating drought degree”

✓ located verbatim in the source · abstract, characters 671–756 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors judged 80% field soil moisture capacity the best water condition.

Outcome
best water conditione0
Value
80% of field soil moisture capacitye0

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

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“the best water condition was 80% of field soil moisture capacity in the study”

✓ located verbatim in the source · abstract, characters 762–839 · show in text ↑
t0

“cassava”

✓ located after whitespace/quote normalisation · title, characters 66–73 · show in text ↑

irrigation · growth · Manihot esculenta (cassava)Results differ

18 papers: 14 positive, 4 negative or no effect

13 papers in the same direction as this paper · 4 in the opposite direction

  1. negative
  2. no effect
  3. negative

14 papers more in this group

See all 18 papers →

irrigation · soil: physics · Manihot esculenta (cassava)Results agree

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive
See all 4 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.