Micropropagation and Somatic Embryogenesis Induction of Gardenia jasminoides Plants

Document Type : Original Article

Authors

1 Plant Production Department, Faculty of Agriculture Saba Basha,Alexandria University, Alexandria, Egypt.

2 Botanical Garden Res. Dept. Hort. Res. Inst. Agric. Res. Center, Alexandria, Egypt.

Abstract

Gardenia jasminoides Ellis is an evergreen plant with fragrant creamy white flowers and glossy, darkgreen leaves, belongs to family Rubiaceae and member of the genus Gardenia. The current study aimed to afford a new technique for in vitro propagation and callus induction of G. jasminoides by using single nodes excised from soft cuttings using full strength MS salts supplemented with 30g/l sucrose, 4g/l gelrite and different concentrations of plant growth regulators. Generally, the current study showed that NAA and BA at 0.0 and 1.0 mg/l, respectively gave rise to the best results for initiation stage. Meanwhile, fortified the basal MS medium with BA and NAA at 2.0 and 0.250 mg/l, consecutively; resulted in the best results with respect to multiplication stage. Regarding rhizogenesis, the neoformed shoots produced from vegetative multiplication stage were rooted successfully upon cultured on MS medium supplemented with 1.0 mg/l IBA and NAA at either 0.250 or 0.500 mg/l, whereas the highest number of roots was recorded besides callus induction. Regarding embryonic callus induction, adding 2,4-D at 1.0 mg/l; enhanced embryonic callogenesis. Neoformed plantlets were acclimatized ex vitro and in vivo vigorously in mixture of perlite and peatmoss at (1:1, v/v), which resulted in the highest percentage value of survival / percent (100%) and successfully flowered and showed true-to-type plants ex vitro.
 

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