The effect of carbon source on callus induction and regeneration ability in Pharbitis nil

• Autorzy: Trejgell A , Jarkiewicz M. , Tretyn A.
• Języki publikacji: EN

Abstrakty

EN

Flower buds, cotyledons and hypocotyls of Pharbitis nil were used as plant material. Flower buds (1-2 mm long) were excised from 3-week-old plants, grown in soil. Cotyledons of 7-day-old sterile seedlings were cut into 25 mm2 squares cotyledons whereas hypocotyls were cut to 1 mm long fragments. Explants were transferred into Petri dishes containing the Murashige and Skoog medium (MS), supplemented with either BA (11 μM·U⁻¹) alone or BA (22 μM·U⁻¹) and NAA (0.55 μM·U⁻¹), and different sugars: sucrose, fructose, glucose, mannose or sorbitol (autoclaved or filter-sterilized). Addition of glucose instead of sucrose to the medium stimulated the induclion of callus on flower buds and cotyledoniry explants, but inhibited its growth on fragments of hypocotyls. The medium supplemented with fructose (especially filter-sterilized) stimulated the development of flower elements. Organogenesis of shoots and roots on explants was also observed. Flower buds and hypocotyls were able to regenerate both organs. Addition of fructose or glucose to the medium stimul ated the organogenesis of shoots, whereas root organogenesis was inhibited on all explants used. Sorbitol strongly inhibited both induction of callus and organogenesis on all explants used.

Słowa kluczowe

EN

flower bud; callus; cotyledon; regeneration; carbohydrate; hypocotyl; Pharbitis nil

• Wydawca: -
• Czasopismo: Acta Physiologiae Plantarum
• Rocznik: 2006
• Tom: 28
• Numer: 6
• Opis fizyczny: p.619-626,fig.,ref.

Twórcy

autor

Trejgell A

• Nicolaus Copernicus University, Gagarina 9, 87-100 Torun, Poland

autor

Jarkiewicz M.

autor

Tretyn A.

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