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Issue 4 (2) 2005 pp. 123–128

Danuta Kozak, Jarosław Grodek

The consequent effect of growth retardants on the growth and development of Tibouchina urvilleana Cogn. shoots in vitro

Abstract: The consequent effect of growth retardants: paclobutrazol – 0.1, 0.5, 1, 5 mg l-1, flurprimidol – 0.1, 1, 5 mg l-1, chlorocholine chloride (CCC) –5, 50 mg l-1 on the growth and development of Tibouchina urvilleana Cogn. in vitro was examined. Paclobutrazol at concentration of 1 or 5 mg l-1 and flurprimidol at 5 mg l-1 inhibited the growth of shoots significantly. It was noted that shoots originating from these media had thicker, straighter stems and shorter internodes. The stimulating influence of CCC at 5 mg l-1 on the elongation of the main shoot was observed. Axillary shoots formation was the best when shoots were derived from the medium supplemented with flurprimidol 1 mg l-1. Paclobutrazol at 0.5 and 1 mg l-1 and flurprimidol at 5 mg l-1 influenced the formation and fresh weight of roots increase, but flurprimidol was more effective. Growth retardants (except paclobutrazol at 5 mg l-1) applied in the earlier passage stimulated elongation of roots.
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Keywords: Keywords: Tibouchina urvilleana, growth retardants, in vitro

For citation:

MLA Kozak, Danuta, and Jarosław Grodek. "The consequent effect of growth retardants on the growth and development of Tibouchina urvilleana Cogn. shoots in vitro." Acta Sci.Pol. Hortorum Cultus 4.2 (2005): 4.
APA Kozak, D., & Grodek, J. (2005). The consequent effect of growth retardants on the growth and development of Tibouchina urvilleana Cogn. shoots in vitro. Acta Sci.Pol. Hortorum Cultus 4 (2), 4.
ISO 690 KOZAK, Danuta, GRODEK, Jarosław. The consequent effect of growth retardants on the growth and development of Tibouchina urvilleana Cogn. shoots in vitro. Acta Sci.Pol. Hortorum Cultus, 2005, 4.2: 4.
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Streszczenie w języku polskim:
http://www.hortorumcultus.actapol.net/tom4/zeszyt2/abstrakt-123.html