Abstract
The influence of cadmium presence on growth of shoots of four poplar clones from section Leuce cultivated in tissue culture is presented in this work. Shoots of clones L-12, L-80, L-111/81 and LBM were multiplicated by Micro-propagation on ACM (Aspen Culture Medium) with 0,5 mg/l 6-benzylaminopurine (BAP) and 0,02 mg/l α- naphthalene-acetic acid (NAA). Terminal shoots, about 1,5cm long, were cultivated 30 days on the ACM medium with addition of 0,1 mM and 0,5 mM of Cd. Parameters examinated in shoot cultures included: length of the main shoot, shoot multiplication (number of axillary shoots per explant) and fresh mass. It was observed that the addition of 0,5 mM Cd (here considered as high concentration) was toxic for shoots of all investigated clones. The symptoms included were decrease of growth vigor and leaf clorosis. Length, fresh mass and shoot multiplication were decreased compared to control. Low concentration of cadmium (0,1 mM) had stimulatory effects on fresh mass (in total) of investigated clones especially for clone L-111/81. These results indicate possible use of investigated clones in phytoremediation of soils that contain lower concentration of cadmium, especially clone L-111/81 which was assumed as the most suitable for this purpose.
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Claims 6
Claim · model-written summary
At 0,5 mM cadmium, shoots of all investigated poplar clones showed toxicity.
PopulusNot reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It was observed that the addition of 0,5 mM Cd (here considered as high concentration) was toxic for shoots of all investigated clones.”
t0“poplar”
Claim · model-written summary
High cadmium reduced poplar growth vigor and produced leaf chlorosis.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The symptoms included were decrease of growth vigor and leaf clorosis.”
e1“It was observed that the addition of 0,5 mM Cd (here considered as high concentration) was toxic for shoots of all investigated clones.”
t0“poplar”
Claim · model-written summary
High cadmium decreased poplar shoot length, fresh mass and multiplication relative to control.
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Length, fresh mass and shoot multiplication were decreased compared to control.”
t0“poplar”
Claim · model-written summary
Low cadmium concentration stimulated total fresh mass, especially in clone L-111/81.
- Material
- clone L-111/81e0
- Treatment
- cadmium (0,1 mM)e0
- Outcome
- fresh mass (in total)e0
- Direction
- stimulatorye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Low concentration of cadmium (0,1 mM) had stimulatory effects on fresh mass (in total) of investigated clones especially for clone L-111/81.”
t0“poplar”
Claim · model-written summary
The authors suggest these poplar clones for phytoremediation of soils with lower cadmium concentrations.
- Outcome
- possible use of investigated clones in phytoremediation of soils that contain lower concentration of cadmiume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These results indicate possible use of investigated clones in phytoremediation of soils that contain lower concentration of cadmium, especially clone L-111/81 which was assumed as the most suitable for this purpose.”
t0“poplar”
Claim · model-written summary
The authors considered clone L-111/81 most suitable for that phytoremediation use.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“especially clone L-111/81 which was assumed as the most suitable for this purpose.”
t0“poplar”
The same questions in other papers
cadmium atom · growth · Populus (poplar)Results differ
1 paper in the same direction as this paper · 9 in the opposite direction
- negative
- negative
- negative
7 papers more in this group
See all 11 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.