Effect of Plant Growth Regulators on Somatic Embryogenesis of Peucedanum terebinthaccum

Abstract

Abstract: The influence of different plant growth regulators including 2,4-D,ZT, 6-BA and ABA on somatic embryogenesis and the amount of endogenous ABA at different stages of embryogenesis was investigated. The effect of each plant growth regulator changed according to the stage of embryogenesis. The amount of endogenous ABA was rather high in single cell stage, decreased at cell clump and embryogenic cell clump stages and dramatically increased at globular embryo stage. It decreased again as the embryo developed. This change in amount of the endogenous ABA explained very well the difference in the effect of exogenous ABA when applied at different stages of embryogenesis.

Key words: Peucedanum terebinthaceum, Somatic embryogenesis, Plant growth regulators, Endogenous ABA

Xia Guang-min and Chen Hui-min. Effect of Plant Growth Regulators on Somatic Embryogenesis of Peucedanum terebinthaccum[J]. J Integr Plant Biol., 1993, 35(8): -.

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Effect of Plant Growth Regulators on Somatic Embryogenesis of Peucedanum terebinthaccum

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