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    • 7. 发明授权
    • Propagating multiple whole fertile plants from immature leguminous
    • 从不成熟的豆科植物传播多种整株肥沃的植物
    • US5008200A
    • 1991-04-16
    • US197355
    • 1988-05-23
    • Jerome P. RanchJulie A. Buchheim
    • Jerome P. RanchJulie A. Buchheim
    • C12N5/00C12N5/04
    • C12N5/0025C12N5/04
    • Seeds of Glycine max, Glycine soja and hybrids thereof are produced by propagating embryogenic tissue containing multiple immature somatic embryos directly or serially by culturing particular cotyledonary tissue or derivation product thereof on media containing auxin selected from the group consisting of chloro-substituted phenoxyacetic acid, methyl derivative thereof, dicamba or picloram, incubating individual immature somatic embryos or embryogenic tissue containing such in a maturation stage to produce mature somatic embryos, germinating the mature somatic embryos to cause shoot tip formation, cultivating the germinated embryos to provide plantlets with 2 to 5 nodes and roots, cultivating the plantlets to provide whole fertile plants which flower and bear seeds, and recovering the seeds. Culturing to provide immature somatic embryos is carried out utilizing auxin in a concentration within the range of 2.5 to 1000 ppm effective to foster normal development of immature somatic embryos. 2,4-dichlorophenoxyacetic acid is the preferred auxin. Maturation is carried out in B5 or MS medium containing indolebutyric acid and abscissic acid or activated charcoal and sucrose, and germination is carried out in B5 or MS medium containing indolebutyric acid and gibberellic acid or MS medium containing filter sterilized L-proline and sucrose. Plantlet formation is carried out in B5 or MS medium without growth regulators. Plant and seed formation is carried out in soil or potting medium.
    • 通过在含有生长素的培养基上培养特定子叶组织或其衍生产物,通过培养含有多个未成熟体细胞胚的胚发生组织来产生大豆,大豆和其杂种的种子,所述培养基含有选自氯取代的苯氧基乙酸,甲基 衍生物,麦草畏或pic lor am am am am,,,nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes nodes 和根,培育小植物以提供花和种子的全部可育植物,并回收种子。 使用浓度在2.5至1000ppm范围内的生长素进行培养以提供未成熟体细胞胚,有效促进未成熟体细胞胚的正常发育。 2,4-二氯苯氧基乙酸是优选的生长素。 在含有吲哚丁酸和离子酸或活性炭和蔗糖的B5或MS培养基中进行成熟,并且在含有吲哚丁酸和赤霉酸或含有过滤灭菌的L-脯氨酸和蔗糖的MS培养基的B5或MS培养基中进行发芽。 在没有生长调节剂的B5或MS培养基中进行小植株形成。 植物和种子形成在土壤或盆栽培养基中进行。