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In vitro micropropagation and alkaloids of Hippeastrum vittatum
Faculty
Pharmacy
Year:
2011
Type of Publication:
Article
Pages:
695-701
Authors:
Zayed, Rawia, El-Shamy, H, Berkov, Strahil, Bastida, Jaume, Codina, Carles
DOI:
10.1007/s11627-011-9368-1
Journal:
IN VITRO CELLULAR \& DEVELOPMENTAL BIOLOGY-PLANT SPRINGER
Volume:
47
Research Area:
Plant Sciences; Cell Biology; Developmental Biology
ISSN
ISI:000298298700007
Keywords :
Hippeastrum vittatum, Micropropagation, Amaryllidaceae alkaloids, GC-MS
Abstract:
Different concentrations of methyl jasmonate, spermine, casein hydrolysate, or progesterone combined with 16 mg/l 2 iP + 4 mg/l naphthalene acetic acid (NAA) were investigated in order to obtain higher multiplication rate and growth of Hippeastrum vittatum bulbs in vitro on MS basal medium. The highest multiplication rate (8.2 bulbs/explant) was attained with 80 mg/l spermine, while the highest bulb fresh weight (1.23 g/bulblet) was obtained with 4 mg/l methyl jasmonate. Progesterone at 20 mg/l or casein hydrolysate at 2.0 g/l gave the highest leaf length (14.1 and 13.2 cm, respectively). So, it can be advised to use 80 mg/l spermine combined with 16 mg/l 2 iP + 4 mg/l NAA to obtain the highest number of bulbs per explant with moderate leaf length and bulb fresh weight. Chemical analysis showed alternations in the alkaloid type ratio and number of compounds in the bulbs treated with methyl jasmonate (4 mg/l).
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