Hort. Sci. (Prague), 2018, 45(3):125-130 | DOI: 10.17221/212/2016-HORTSCI

Does dikegulac affect in vitro shoot proliferation and hyperhydricity incidence in olive explants?Original Paper

Chrysovalantou Antonopoulou*,1, Kortessa Dimassi1, Ioannis Therios1, Christos Chatzissavvidis2
1 Laboratory of Pomology, School of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, Greece
2 Department of Agricultural Development, School of Agricultural Sciences and Forestry, Democritus University of Thrace, Orestiada, Greece

Dikegulac was tested as a lateral shoot-inducing agent on micropropagated olive (Olea europaea 'Chondrolia Chalkidikis') shoots. Rugini olive medium was supplemented with dikegulac at 0, 16.9, 33.8, 66.7, 100.5 or 133.4 μΜ. Dikegulac was not phytotoxic and the explants treated with 100.5 μΜ had higher number, length, and weight of new shoots. Hyperhydricity (or vitrification) symptoms were diminished by increasing dikegulac concentration in the medium dose (66.7-133.4 μΜ). Also, dikegulac stimulated the production of large amounts of callus at the base of olive explants.

Keywords: apical dominance; growth retardant; micropropagation; Olea europaea, vitrification

Published: September 30, 2018  Show citation

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Antonopoulou C, Dimassi K, Therios I, Chatzissavvidis C. Does dikegulac affect in vitro shoot proliferation and hyperhydricity incidence in olive explants? Hort. Sci. (Prague). 2018;45(3):125-130. doi: 10.17221/212/2016-HORTSCI.
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