Plant regeneration via somatic embryogenesis in pea (Pisum sativum L.)

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Abstract
Whole plant regeneration via somatic embryogenesis was obtained in pea (Pisum sativum L.) using explants from immature embryos or shoot apex segments. The induction of somatic embryos required picloram or 2,4-D. Germination of fully-developed embryos was accomplished by subculture on medium with only cytokinin and then on medium supplemented with cytokinins in combination with a reduced auxin concentration. Plantlets obtained from both zygotic embryos and shoot apices were transferred to soil and were grown to maturity. Nine plants were examined cytologically, revealing three tetraploids (2n=4x=28) and six diploids (2n=2x=14).