Paper · 2006 · Journal of Nuclear Agricultural Sciences

EFFECT OF METHIONINE AND Na_2CO_3 ON ROOT DEVELOPMENT OF SALT ALAKLINE TOLERANCE RICE

Xian Liu

9
claims
20
verbatim quotes
0
citations
1
research areas
—
Not open access

Abstract

12 Helongjiang main planted varieties with different salt alakline tolerance and 7 tolerance alakline and salt mutants were treat by 0.02% methionine and 0.2% Na_2CO_3.The lateral root number and seminal root length were investigated after 10 days culture in medium.Results demonstrated that both lateral root number and seminal root length of mutants were reduced compared with controls,but which among wild variety didn't show difference.The mutants absorb less Na_2CO_3 than CK and the resistance to Na_2CO_3 was improved.The lateral root number of local varieties treated with methionine was much less than control,but there were positive effect and negative effect in the seminal root length.After treated with Na_2CO_3,the lateral root number of mutants was much less,and seminal root length was shorter.It is concluded that negative change of lateral root number and seminal root length after methionine and Na_2CO_3 treatment 10 days could be a new index of salt alakline tolerance.

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Claims 9

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Mutants had fewer lateral roots and shorter seminal roots than controls.

Material
mutantse0
Outcome
lateral root number and seminal root lengthe0
Direction
reducede0
Comparator
controlse0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“both lateral root number and seminal root length of mutants were reduced compared with controls”

✓ located verbatim in the source · abstract, characters 292–387 · show in text ↑
t0

“RICE”

✓ located verbatim in the source · title, characters 81–85 · show in text ↑
Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Wild varieties did not differ in those root traits.

Material
wild varietye0
Outcome
differencee0
Direction
didn't show differencee0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“which among wild variety didn't show difference”

✓ located verbatim in the source · abstract, characters 392–439 · show in text ↑
t0

“RICE”

✓ located verbatim in the source · title, characters 81–85 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Mutants absorbed less Na_2CO_3 than CK.

Material
mutantse0
Outcome
absorb less Na_2CO_3e0
Direction
lesse0
Comparator
CKe0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“The mutants absorb less Na_2CO_3 than CK”

✓ located verbatim in the source · abstract, characters 440–480 · show in text ↑
t0

“RICE”

✓ located verbatim in the source · title, characters 81–85 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Mutant resistance to Na_2CO_3 improved.

Outcome
resistance to Na_2CO_3e0
Direction
improvede0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“the resistance to Na_2CO_3 was improved”

✓ located verbatim in the source · abstract, characters 485–524 · show in text ↑
t0

“RICE”

✓ located verbatim in the source · title, characters 81–85 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Methionine reduced lateral root number in local varieties relative to control.

Material
local varietiese0
Treatment
methioninee0
Outcome
lateral root numbere0
Direction
much lesse0
Comparator
controle0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“The lateral root number of local varieties treated with methionine was much less than control”

✓ located verbatim in the source · abstract, characters 525–618 · show in text ↑
t0

“RICE”

✓ located verbatim in the source · title, characters 81–85 · show in text ↑
Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Methionine had positive and negative effects on seminal root length.

Treatment
methioninee1
Outcome
seminal root lengthe0

Not reportedComparatorDirection

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“there were positive effect and negative effect in the seminal root length”

✓ located verbatim in the source · abstract, characters 623–696 · show in text ↑
e1

“treated with methionine”

✓ located verbatim in the source · abstract, characters 568–591 · show in text ↑
t0

“RICE”

✓ located verbatim in the source · title, characters 81–85 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Na_2CO_3 reduced mutant lateral root number.

Material
mutantse0
Treatment
Na_2CO_3e0
Outcome
lateral root numbere0
Direction
much lesse0

Not reportedComparator

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“After treated with Na_2CO_3,the lateral root number of mutants was much less”

✓ located verbatim in the source · abstract, characters 697–773 · show in text ↑
t0

“RICE”

✓ located verbatim in the source · title, characters 81–85 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Na_2CO_3 shortened mutant seminal roots.

Treatment
Na_2CO_3e1
Outcome
seminal root lengthe0
Direction
shortere0

Not reportedComparator

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“seminal root length was shorter”

✓ located verbatim in the source · abstract, characters 778–809 · show in text ↑
e1

“After treated with Na_2CO_3”

✓ located verbatim in the source · abstract, characters 697–724 · show in text ↑
t0

“RICE”

✓ located verbatim in the source · title, characters 81–85 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors propose negative root trait changes after 10 days as a salt alkali tolerance index.

Outcome
new index of salt alakline tolerancee0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“negative change of lateral root number and seminal root length after methionine and Na_2CO_3 treatment 10 days could be a new index of salt alakline tolerance”

✓ located verbatim in the source · abstract, characters 831–989 · show in text ↑
t0

“RICE”

✓ located verbatim in the source · title, characters 81–85 · show in text ↑

methionine · growth · Oryza sativa (rice)Results agree

4 papers: 0 positive, 4 negative or no effect

3 papers in the same direction as this paper

  1. negative
  2. negative
  3. negative
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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.