Comparative enhancement of germination and vigor in seed and somatic embryos by the smoke chemical 3-methyl-2H-furo[2,3-C]pyran-2-one inBaloskion tetraphyllum (Restionaceae)

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A butenolide (3-methyl-2H-furo[2,3-c]pyran-2-one, the phyto-active compound isolated from smoke) was tested for its effect on somatic embryogenesis with an important species for commercial horticulture, Baloskion tetraphyllum. When somatic embryos of B. tetraphyllum were transferred to basal medium supplemented with butenolide, enhanced development of growth-competent somatic embryos was observed. This study demonstrates that butenolide exhibits promotive effects on both germination of seed (stimulation of zygotic embryos), and stimulation of development and maturation of somatic embryos with B. tetraphyllum, providing a potential new class of phyto-active compounds for in vitro culture.

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