Abstract
Echinops Asteraceae/Compositae is widespread throughout southern Europe and Asia. It is a native plant in Israel and usually found as a weed in wheat fields. Due to the need of the plants for vernalization, horticultural practice is to chill the crowns for 2 month before planting to achieve early flowering. A method for the propagation of Echinops through axillary buds and root cutting cultures is described in this manuscript. Best conditions for propagation were using MS salt medium supplemented with 3 sucrose and 1 mg l-1 IAA plus 0.5 mg l-11 BA under 16 h of cool fluorescent light. Root cuttings produced shoots all along the root but each growth regulator combination affected where roots will sprout shoots. Rooted plants were successfully acclimatized after propagating on the above medium and eventually flowered. Agrobacterium transformation of Echinops was successfully achieved and expression of GUS reporter gene was tested under the control of two constitutive promoters.
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Abbreviations
- BA:
-
6-Benzyladenine
- CTAB:
-
Hexadecyltrimethylammonium bromide
- EDTA:
-
Na2-Ethylenediaminetetraacitic dihydrate
- IAA:
-
Indole-3-acetic acid
- IBA:
-
3-Indole butyric acid
- MS:
-
Murashige and Skoog salt medium
- NAA:
-
1-Naphtalene acetic acid
- TDZ:
-
Thidiazuron
- WPM:
-
Woody Plant Medium
- β-ME:
-
β-Mercaptoethanol
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This is publication number 05/03 from Horticulture Institute ARO.
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Dalia, E., Michele, Z., Xinlu, C. et al. Regeneration and Transformation of Echinops cv Veitsch Blue. Plant Cell Tiss Organ Cult 85, 1–9 (2006). https://doi.org/10.1007/s11240-004-2564-5
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DOI: https://doi.org/10.1007/s11240-004-2564-5