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Embryo culture as an aid to breeding Lilium

, : Embryo culture as an aid to breeding Lilium. Acta Horticulturae (47): 187-192

Some Lilium crosses produce seeds with faulty endosperm. The endosperm may abort at an early stage of development so that the embryo cannot develop fully or it may produce a toxin which damages or kills the embryo. The excised embryos can be grown aseptically on simple agar nutrient medium to produce hybrids which otherwise would be unobtainable. A high light intensity encourages embryo development, and humid conditions after transference of the plantlets from agar to soil minimize losses.

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