Abstract
Effects of different copper concentration(0,50,100,200,400 mg/kg) on the growth,yield,mineral elements contents and enrichment characteristics of copper in stem and seeds of rape(B.napus cv.Qinyou 9) were studied in a pot culture experiment.Compared with the control,low copper level(50 mg/kg) stimulated the rape growth to some extent,the plant biomass,yield and mineral elements contents were slightly higher or equivalent to CK,but their difference was not significant.With the increasing of copper concentration in soil,the plant biomass,photosynthetic rate,yield,mineral elements contents,height and main inflorescence length all decreased obviously,while the change of first branch number was no significant.The copper enrichment characteristics of above-ground organs of rape showed significant difference.In general,copper concentration in stem was higher than that in seeds.
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Claims 5
Claim · model-written summary
Low copper slightly raised or maintained biomass, yield, and mineral contents without a significant difference.
- Taxon
- rape
_Brassica_napus_-_Habit.jpg?width=60)
Brassica napuse1 - Treatment
- low copper level(50 mg/kg)e0
- Outcome
- plant biomass,yield and mineral elements contentse0
- Direction
- slightly higher or equivalente0
- Comparator
- CKe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Brassica_napus_-_Habit.jpg?width=500)
Verbatim
e0“low copper level(50 mg/kg) stimulated the rape growth to some extent,the plant biomass,yield and mineral elements contents were slightly higher or equivalent to CK,but their difference was not significant”
e1“rape(B.napus cv.Qinyou 9)”
Claim · model-written summary
Increasing soil copper reduced biomass and photosynthetic rate.
- Taxon
- rapeBrassica napuse1
- Treatment
- increasing of copper concentration in soile0
- Outcome
- plant biomass,photosynthetic ratee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With the increasing of copper concentration in soil,the plant biomass,photosynthetic rate,yield,mineral elements contents,height and main inflorescence length all decreased obviously”
e1“rape(B.napus cv.Qinyou 9)”
Claim · model-written summary
Increasing soil copper reduced yield, mineral content, height and main inflorescence length.
- Taxon
- rapeBrassica napuse1
- Treatment
- increasing of copper concentration in soile0
- Outcome
- yield,mineral elements contents,height and main inflorescence lengthe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With the increasing of copper concentration in soil,the plant biomass,photosynthetic rate,yield,mineral elements contents,height and main inflorescence length all decreased obviously”
e1“rape(B.napus cv.Qinyou 9)”
Claim · model-written summary
First branch number showed no significant change with increasing copper.
- Taxon
- rapeBrassica napuse1
- Outcome
- first branch numbere0
- Direction
- no significante0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“while the change of first branch number was no significant”
e1“rape(B.napus cv.Qinyou 9)”
Claim · model-written summary
Copper concentration was higher in stems than seeds.
- Taxon
- rapeBrassica napuse1
- Organ / stage
- steme0
- Outcome
- copper concentratione0
- Direction
- highere0
- Comparator
- seedse0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“copper concentration in stem was higher than that in seeds”
e1“rape(B.napus cv.Qinyou 9)”
The same questions in other papers
copper atom · yield · Brassica napus (oilseed rape)Results differ
2 papers in the same direction as this paper · 6 in the opposite direction
- positive
- positive
- positive
5 papers more in this group
See all 9 papers →copper atom · physiology: photosynthesis · Brassica napus (oilseed rape)Results agree
1 paper in the same direction as this paper
- negative
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.