Paper · 2012 · Seed

Study on the Effect of Pb(II) Stress on Radish(Raphanus Sativus L.) Seeds Germination,Seedlings Growth and Chlorophyll Biosynthesis

Xiaolu Yang

3
claims
6
verbatim quotes
0
citations
1
research areas
—
Not open access

Abstract

To further study the influence of the heavy metal Pb(Ⅱ) on the plant seeds germination and the development of seedlings.In this paper,the Radish(Raphanus Sativus L.) seeds germination,seedlings root growth and contents of chlorophyll affected by different concentrations of Pb(Ⅱ)were studied.The results showed that changes of the concentration of Pb(Ⅱ) could not affect Seeds Germination of Radish.But with the increasing of Pb(Ⅱ) concentration,the morphology,root length,form of root hair and the content of chlorophyll of seedlings were inhibited extensively.

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Claims 3

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Changes in Pb(II) concentration did not affect radish seed germination.

Taxon
Raphanus Sativus L.t0
Treatment
concentration of Pb(Ⅱ)e1
Outcome
Seeds Germinatione1
Direction
could not affecte1

Not reportedComparator

Verbatim

e1

“changes of the concentration of Pb(Ⅱ) could not affect Seeds Germination of Radish”

✓ located verbatim in the source · abstract, characters 316–398 · show in text ↑
t0

“Radish(Raphanus Sativus L.)”

✓ located verbatim in the source · title, characters 40–67 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing Pb(II) concentration inhibited seedling morphology, root length and root hair form in radish.

Taxon
Raphanus Sativus L.t0
Treatment
increasing of Pb(Ⅱ) concentratione2
Outcome
morphology,root length,form of root haire2
Direction
inhibitede2
Qualifier
extensivelye2

Not reportedComparator

Verbatim

e2

“with the increasing of Pb(Ⅱ) concentration,the morphology,root length,form of root hair and the content of chlorophyll of seedlings were inhibited extensively”

✓ located verbatim in the source · abstract, characters 403–561 · show in text ↑
t0

“Radish(Raphanus Sativus L.)”

✓ located verbatim in the source · title, characters 40–67 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing Pb(II) concentration inhibited the chlorophyll content of radish seedlings.

Taxon
Raphanus Sativus L.t0
Treatment
increasing of Pb(Ⅱ) concentratione2
Outcome
the content of chlorophyll of seedlingse2
Direction
inhibitede2
Qualifier
extensivelye2

Not reportedComparator

Verbatim

e2

“with the increasing of Pb(Ⅱ) concentration,the morphology,root length,form of root hair and the content of chlorophyll of seedlings were inhibited extensively”

✓ located verbatim in the source · abstract, characters 403–561 · show in text ↑
t0

“Radish(Raphanus Sativus L.)”

✓ located verbatim in the source · title, characters 40–67 · show in text ↑

lead atom · growth · Raphanus sativus (radish)Results differ

12 papers: 1 positive, 11 negative or no effect

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

  1. positive
  2. negative
  3. negative

8 papers more in this group

See all 12 papers →

lead atom · physiology: pigments · Raphanus sativus (radish)Results agree

3 papers: 0 positive, 3 negative or no effect

2 papers in the same direction as this paper

  1. negative
  2. negative
See all 3 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.