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Wyszukujesz frazę "plant propagation" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Asymbiotic germination, seedling development and plantlet propagation of Encyclia aff. oncidioides - an endangered orchid
Autorzy:
Znaniecka, J
Krolicka, A.
Sidwa-Gorycka, M.
Rybczynski, J.J.
Szlachetko, D.L.
Lojkowska, E.
Powiązania:
https://bibliotekanauki.pl/articles/56907.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Encyclia aff.oncidioides
orchid
endangered plant
development
seedling
asymbiotic germination
in vitro
propagation
germination
seed
Opis:
In order to estimate the best germination conditions of Encyclia aff. oncidioides seeds, five different media (Fast, Knudson C modified by Vajrabhaya, Murashige and Skoog, PB2 and modified Vacin and Went) with different concentrations of plant growth regulators such as benzyladenine (BA), naphthaleneacetic acid (NAA) and gibberellic acid (GA3) were tested. No beneficial effect was observed when BA and NAA were applied to the germination medium and GA3 inhibited germination. The effect of light, activated charcoal, coconut water and casein hydrolysate on seed germination was also studied. The growth rate of seedlings on three different media supplemented with activated charcoal and plant growth regulators was checked. The applied plant growth regulators had no beneficial effect on the further growth of seedlings. Fast and PB2 media with 0.2% activated charcoal proved to be the best for E. aff. oncidioides seed germination, seedling development and plantlet propagation.
Źródło:
Acta Societatis Botanicorum Poloniae; 2005, 74, 3
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of meta-topolin in vitro propagation of Pelargonium x hortorum and Pelargonium x hederaefolium cultivars
Autorzy:
Wojtania, A
Powiązania:
https://bibliotekanauki.pl/articles/57180.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
meta-topolin
in vitro propagation
micropropagation
cytokinin
shoot formation
root formation
Pelargonium x hortorum
Pelargonium x hederaefolium
plant cultivar
Opis:
July and September. The most efficient regeneration and axillary multiplication were achieved on the medium supplemented with meta-topolin. The application of BAP caused a lower regeneration potency of explants and resulted in a decrease of shoot quality with every subculture. Four of the six cultivars showed growth inhibition after three months of growth on BAP-medium. The highest multiplication rate (2.7-4.7 depending on genotype) and the high quality of shoots were noted on the medium supplemented with mT (0.5-1.0 mg l-1). It is also very important to note that mT had stimulating effect on organogenesis in P. × hederaefolium and P. × hortorum cultivars over the long term. Moreover, meta-topolin had no after-effect on the growth and inhibition of rooting. Only one cultivar ("Sofie Cascade") rooted better on control medium without auxin. In case of the other cultivars, IBA added in concentrations of 0.01-0.1 mg l-1 had a stimulating effect on root production. The higher level of auxin inhibited root formation, stimulated senescence of shoots and had a negative after-effect on acclimatization in greenhouse conditions.
Źródło:
Acta Societatis Botanicorum Poloniae; 2010, 79, 2; 101-106
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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