Paper · 2010 · Hubei nongye kexue

Effects of Nutrient Deficiency on Roots Morphological Characteristics and Activity of Camellia oleifera Seedlings

Jun Yuan; Xiaofeng Tan; Deyi Yuan; et al.

5
claims
10
verbatim quotes
0
citations
3
research areas
—
Not open access

Abstract

Sand culture experiment was conducted to study the effects of nutrients deficiency on roots morphological and activity of Camellia oleifera seedlings,The result showed that the main roots length was inhibited,and root-shoot ratio(R /T) uncoordinated by nutrients deficiency,especially N deficiency;the lateral root differentiation and elongation was significantly reduced when seedlings grown in K deficiency,but promoted in N deficiency;The treatments with nutrients deficiency could reduce roots vigor.Nutritional imbalance had significant inhibitory effect on root development.

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Claims 5

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Nutrient deficiency, especially nitrogen deficiency, inhibited main root length.

Taxon
Camellia oleiferaCamellia oleiferat0
Treatment
nutrients deficiencye0
Outcome
main roots lengthe0
Direction
inhibitede0
Qualifier
especially N deficiencye0

Not reportedComparator

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

Camellia oleifera
Camellia oleifera · TaxonUSDA Agricultural Research Service · Public domain · Wikimedia Commons ↗

Verbatim

e0

“the main roots length was inhibited,and root-shoot ratio(R /T) uncoordinated by nutrients deficiency,especially N deficiency”

✓ located verbatim in the source · abstract, characters 173–297 · show in text ↑
t0

“Camellia oleifera Seedlings”

✓ located verbatim in the source · title, characters 86–113 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Nutrient deficiency disrupted root-shoot ratio.

Taxon
Camellia oleiferaCamellia oleiferat0
Treatment
nutrients deficiencye0
Outcome
root-shoot ratio(R /T)e0
Direction
uncoordinatede0

Not reportedComparator

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

Camellia oleifera
Camellia oleifera · TaxonUSDA Agricultural Research Service · Public domain · Wikimedia Commons ↗

Verbatim

e0

“root-shoot ratio(R /T) uncoordinated by nutrients deficiency,especially N deficiency”

✓ located verbatim in the source · abstract, characters 213–297 · show in text ↑
t0

“Camellia oleifera Seedlings”

✓ located verbatim in the source · title, characters 86–113 · show in text ↑
Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Potassium deficiency significantly reduced lateral root differentiation and elongation.

Taxon
Camellia oleiferaCamellia oleiferat0
Treatment
K deficiencye0
Outcome
lateral root differentiation and elongatione0
Direction
reducede0

Not reportedComparator

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

Camellia oleifera
Camellia oleifera · TaxonUSDA Agricultural Research Service · Public domain · Wikimedia Commons ↗

Verbatim

e0

“the lateral root differentiation and elongation was significantly reduced when seedlings grown in K deficiency”

✓ located verbatim in the source · abstract, characters 298–408 · show in text ↑
t0

“Camellia oleifera Seedlings”

✓ located verbatim in the source · title, characters 86–113 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Nitrogen deficiency promoted lateral root differentiation and elongation.

Taxon
Camellia oleiferaCamellia oleiferat0
Treatment
N deficiencye0
Outcome
lateral root differentiation and elongatione0
Direction
promotede0

Not reportedComparator

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

Camellia oleifera
Camellia oleifera · TaxonUSDA Agricultural Research Service · Public domain · Wikimedia Commons ↗

Verbatim

e0

“the lateral root differentiation and elongation was significantly reduced when seedlings grown in K deficiency,but promoted in N deficiency”

✓ located verbatim in the source · abstract, characters 298–437 · show in text ↑
t0

“Camellia oleifera Seedlings”

✓ located verbatim in the source · title, characters 86–113 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Nutrient deficiency reduced root vigor.

Taxon
Camellia oleiferaCamellia oleiferat0
Treatment
nutrients deficiencye0
Outcome
roots vigore0
Direction
reducee0

Not reportedComparator

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

Camellia oleifera
Camellia oleifera · TaxonUSDA Agricultural Research Service · Public domain · Wikimedia Commons ↗

Verbatim

e0

“The treatments with nutrients deficiency could reduce roots vigor.”

✓ located verbatim in the source · abstract, characters 438–504 · show in text ↑
t0

“Camellia oleifera Seedlings”

✓ located verbatim in the source · title, characters 86–113 · show in text ↑

nitrogen · growth · Camellia oleifera (tea-oil Camellia)Positive and negative results

5 papers: 3 positive, 2 negative or no effect

1 paper in the same direction as this paper · 3 in the opposite direction

This paper is about lacking the nutrient, so it counts the other way round here.

  1. positive
  2. positive
  3. positive

1 paper more in this group

See all 5 papers →

potassium · growth · Camellia oleifera (tea-oil Camellia)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

This paper is about lacking the nutrient, so it counts the other way round here.

  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.