Cucumber [Cucumis sativus L.] embryo development in situ after pollination with irradiated pollen

• Autorzy: Faris N. M. , Niemirowicz-Szczytt K.
• Języki publikacji: EN

Abstrakty

EN

Embryological studies were undertaken to compare the normal development of cucumber endosperm and embryo with that observed after pollination with gamma-irradiated pollen (0.1 and 0.3 kGy). Delayed penetration of the pollen tube occurred at both irradiation doses. Endosperm and embryo development was also delayed, but was initiated within 6 days after pollination in 100% of embryo sacs at 0.1 kGy and in 70-80% at 0.3 kGy. Various abnormalities in endosperm and embryo cell structure confirmed progressive degeneration, which occurred earlier with the higher dose of irradiation. Degeneration increased dramatically; only 30-40% of the embryos reached the globular stage 15 days after pollination.

Słowa kluczowe

EN

irradiated pollen; irradiation; chromosome; fertilization; in vitro culture; pollination; endosperm; cucumber; pollen tube penetration; embryo; Cucumis sativus

• Wydawca: -
• Czasopismo: Acta Biologica Cracoviensia. Series Botanica
• Rocznik: 1999
• Tom: 41
• Opis fizyczny: p.111-118,fig.

Twórcy

autor

Faris N. M.

• Al-Fateh University, P.O.Box 13 228, Tripoli, Libya

autor

Niemirowicz-Szczytt K.

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