Figure
1. (a) Onion seed cutting showing mature embryos.
(Modified from http://www.botany.hawaii.edu/faculty/webb/Bot201/Angiosperm/onion_embryo_developmentM.htm). (b)
Callus from ME of Torrentina variety. (c)
Calli after three months cultivation in selection medium. (d)
Calli pieces selected after four months in selection medium showing β-glucuronidase
expression. Bars represent |
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