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1
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The effect of plant growth regulators and sucrose on the micropropagation of common lilac (Syringa vulgaris L.)

100%
Ilczuk A., Jagiello-Kubiec K.
Annals of Warsaw University of Life Sciences - SGGW. Horticulture and Landscape Architecture
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2015
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tom 36
2

Effect of aluminium on in vitro rooting of birch [Betula pendula Roth.] and poplar [Populus tremula L. x P. alba L.] microcuttings

100%
Bojarczuk K.
Acta Societatis Botanicorum Poloniae
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2000
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tom 69
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nr 4
3
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
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Wplyw auksyn na ukorzenianie mikrosadzonek i adaptacje roslin Columnea hirta Klotzsch et Hanst. Cz.II. Nastepczy wplyw w uprawie szklarniowej

80%
Swistowska A., Hetman J.
Acta Scientiarum Polonorum. Hortorum Cultus
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2004
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tom 03
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nr 2
239-248
The aim of this study was to investigate of the consequent influence of auxins: IAA, IBA, NAA, used in the medium in vitro in the concentrations: 5, 10, 20, 40 μM, on the growth and development of Columnea hirta plants in the greenhouse. Microcuttings were planted in the sphagnum peat and coconut fibre. The planting was compared in two terms: spring and summer. Auxins used for the rooting of shoots in tissue culture had an influence on the capability for acclimatization and development of the microcuttings. The best quality of plants was observed when microcuttings were rooted in vitro on the medium containing 20 μM IBA, and then were cultured in the sphagnum peat during spring season.
4
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The influence of growth regulators on dahlia propagation in tissue culture and acclimatization of plants in ex vitro conditions

80%
Marcinek B., Parzymies M., Poniewozik M., Kozak D., Durlak W.
Acta Scientiarum Polonorum. Hortorum Cultus
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2019
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tom 18
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nr 5
The aim of the work was to evaluate the influence of cytokinins on in vitro propagated dahlia and their consequent effect on acclimatization. Plant material consisted of shoot tips and nodes. Among the three cytokinins, benzyladenine, kinetin and 2-isopentenyl-adenine, only BA effectively stimulated the shoot multiplication from axiliary buds. The highest multiplication rate was obtained from nodes in the presence of 0.25– 0.5 mg·dm–3 BA. Higher concentrations shortened the internodes and decreased the leaf blades and growth of callus. 1 mg·dm–3 of KIN and 2iP positively influenced the shoot growth and size of leaves. Gibberellic acid (GA3) used with BA increased the number of auxillary shoots. The best quality shoots and the highest multiplication rate were obtained when 2 mg·dm–3 BA was used with 5 mg·dm–3 GA3. Cytokinins affected the rooting and acclimatization ex vitro. Dahlia shoots multiplicated in the presence of 1 mg·dm–3 KIN or 2iP rooted faster in the soil and 100% survived in field, while those from 1 mg·dm–3 BA media rooted slowly, had shorter shoots and only 60% of them survived. Plants bloomed after 11–12 weeks in the field. Dahlia plants that had been multiplicated in the presence of KIN had larger diameter and fresh weight in the field. BA and 2iP positively influenced the flower diameter, length of flower stalk and a number of the first-order shoots.
5
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
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Wplyw auksyn na ukorzenianie mikrosadzonek i adaptacje roslin Columnea hirta Klotzsch et Hanst. Cz.I. W kulturze in vitro

80%
Swistowska A., Kozak D.
Acta Scientiarum Polonorum. Hortorum Cultus
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2004
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tom 03
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nr 2
229-238
The aim of this study was to investigate the influence of auxins and different their concentrations on rooting of Columnea hirta Klotzsch et Hanst. shoots in vitro. Shoots obtained from aseptically grown shoot clusters were cultured 3 weeks on Murashige and Skoog agar medium (MS) supplemented with: IAA, IBA or NAA in various concentrations: 5, 10, 20, 40 μM. Control cultures were incubated on MS medium devoid of any plant growth regulators. It was observed the significant influence of auxins on the growth of shoots, and the induction of roots. Microcuttings with the highest number of roots (11.24) were obtained on the media with 10 μM IBA, where mean length of root was 5.93 mm. The best elongation of roots was observed on the medium with 5 μM NAA (11.32 mm), but NAA caused regeneration of callus tissue at the base of shoots. Shoots presented the best growth and multiplication potential on the medium containing 10 μM IAA.
6
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The effect of high concentration of selected calcium salts on development of microcuttings of rhododendron R.‘Catawbiense Grandiflorum’ in in vitro cultures

80%
Giel P., Bojarczuk K.
Dendrobiology
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2002
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tom 48
High content of calcium compounds in soil limits cultivation possibilities of the majority of cultivars of rhododendron. In the research presented an attempt was made to determine the influence of a high level of calcium salts CaCl2, CaSO4, Ca(NO3)2 and CaCO3, pH and an increased level of auxins in a medium, on the development of microcuttings of R. ‘Catawbiense Grandiflorum'. On the basis of the results of the research it is justifiable to state that it was the anions of some salts used that had an adverse effect on the development of rhododendron cultures, not calcium cations. Significant differences were noted in the uptake of calcium, magnesium and sodium ions by the microcuttings depending on salts used in the media. The pH value of the medium higher than optimum significantly affected the degree of chlorosis of the microcuttings analyzed. Supplementing the media with additional auxin - IBA was stimulating for the plant growth especially in the medium containing CaCO3.
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