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Seedlings from Undeveloped Ovules of Ripe Fruits of Polyembryonic Citrus Cultivars1

A. Starrantino, Francesco Paolo Russo

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Abstract

Abstract Embryos, pseudobulbils, and embryogenic callus were obtained by in vitro culture of undeveloped ovules excised from ripe fruits of the navel orange group ( C . sinensis [L.] Osbeck) and lemon (C. limon [L.] Burm. f.). Initial culturing was on Murashige & Skoog (MS) medium in 1% agar. Large numbers of seedlings were produced by subculturing the embryos, pseudobulbils, and embryogenic callus on fresh MS medium with added 6-methylaminopurine.

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Abstract Embryos, pseudobulbils, and embryogenic callus were obtained by in vitro culture of undeveloped ovules excised from ripe fruits of the navel orange group ( C . sinensis [L.] Osbeck) and lemon (C. limon [L.] Burm. f.). Initial culturing was on Murashige & Skoog (MS) medium in 1% agar. Large numbers of seedlings were produced by subculturing the embryos, pseudobulbils, and embryogenic callus on fresh MS medium with added 6-methylaminopurine.

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Available abstract

Abstract Embryos, pseudobulbils, and embryogenic callus were obtained by in vitro culture of undeveloped ovules excised from ripe fruits of the navel orange group ( C . sinensis [L.] Osbeck) and lemon (C. limon [L.] Burm. f.). Initial culturing was on Murashige & Skoog (MS) medium in 1% agar. Large numbers of seedlings were produced by subculturing the embryos, pseudobulbils, and embryogenic callus on fresh MS medium with added 6-methylaminopurine.

Key concepts: Polyembryony, Ovule, Biology, Citrus × sinensis, Callus, Botany, Orange (colour), Agar

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