Temat: paclobutrazol - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Influence of paclobutrazol on the growth and photosynthesis of Sequoia sempervirens seedlings
Autorzy:: Ju, S.
Xu, D.
Zhan, C.
Ji, L.
Yin, T.
Li, Z.
Lu, Z.
Powiązania:: https://bibliotekanauki.pl/articles/1969.pdf
Data publikacji:: 2019
Wydawca:: Instytut Ogrodnictwa
Tematy:: paclobutrazol
plant growth regulator
photosynthetic activity
Sequoia sempervirens
seedling
morphological index
chlorophyll fluorescence
environmental stress
Źródło:: Journal of Horticultural Research; 2019, 27, 1
2300-5009
Pojawia się w:: Journal of Horticultural Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Effects thidiazuron and paclobutrazol on regeneration potential of tulip flower stalk explants in vitro and subsequent shoot multiplication
Autorzy:: Podwyszynska, M
Marasek, A.
Powiązania:: https://bibliotekanauki.pl/articles/58430.pdf
Data publikacji:: 2003
Wydawca:: Polskie Towarzystwo Botaniczne
Tematy:: flower
micropropagation
somatic embryogenesis
tulip
paclobutrazol
thidiazuron
regeneration
new cultivar
modern breeding
in vitro
tulip cultivar
shoot multiplication
Opis:: The effects of TDZ and paclobutrazol on the primary regeneration on tulip flower stalk explants of six cultivars and subsequent shoot multiplication were examined. Explants, flower stalk slices, were excised from cooled and subsequently forced bulbs. The explants were incubated for two months in darkness on medium containing NAA and cytokinins, 2iP and BAP, as control, or TDZ (0.5-4 mg l-1) and paclobutrazol (0.05-0.4 mg l-1). Then, the regenerating explants were subcultured on medium with TDZ and NAA applied at low concentrations. Different regeneration capabilities were found depending on cultivar and growth regulators. The percentage of explants forming leaf-like structures ranged, on the control medium, from 80% in 'Blue Parrot' and 'Prominence' to below 30% in 'Apeldoorn' and 'Mirjoran'. TDZ, applied at optimum for each cultivar concentration, greatly increased the regeneration potential up to 70-100%. Paclobutrazol, added to the TDZ-containing medium, significantly enhanced the response of explants, resulting in high numbers of leaf-like structures formed per explant (13.7-22.8). The structures developed gradually into characteristic forms: the growing up cotyledonary leaf, the probable root primordium formed at its base, the growing downwards stolon and the shoot meristem developed finely on its tip. It is suggested that such primary regeneration may have a nature of somatic embryogenesis. Then, the adventitious shoots developed and formed clusters, which were divided into 2-3 smaller ones every two months. The growth regulators, used at initial stage, markedly influenced subsequent shoot multiplication. Thus, the most intensive shoot formation was noted with TDZ at concentrations of 0.5-2 mg l-1 and paclobutrazol of 0.05-0.1 mg l-1.
Źródło:: Acta Societatis Botanicorum Poloniae; 2003, 72, 3
0001-6977
2083-9480
Pojawia się w:: Acta Societatis Botanicorum Poloniae
Dostawca treści:: Biblioteka Nauki

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