Influence of exogenous abscisic acid on germination and plantlet conversion frequencies of hybrid larch somatic embryos (Larix � leptoeuropaea)

1994 ◽  
Vol 15 (2) ◽  
pp. 175-182 ◽  
Author(s):  
Philippe Label ◽  
Marie-Anne Lelu
Keyword(s):  
Abscisic Acid ◽  
Somatic Embryos ◽  
Hybrid Larch ◽  
Plantlet Conversion

scholarly journals Influence of Abscisic Acid and Sucrose on Somatic Embryogenesis in CactusCopiapoa tenuissimaRitt. formamostruosa

2013 ◽  
Vol 2013 ◽  
pp. 1-7 ◽  
Author(s):  
J. Lema-Rumińska ◽  
K. Goncerzewicz ◽  
M. Gabriel
Keyword(s):  
Somatic Embryogenesis ◽  
Abscisic Acid ◽  
Somatic Embryos ◽  
Sucrose Concentration ◽  
Turgor Pressure ◽  
Direct Somatic Embryogenesis ◽  
Fresh Weight ◽  
High Concentration ◽  
Globular Stage ◽  
Indirect Somatic Embryogenesis

Having produced the embryos of cactusCopiapoa tenuissimaRitt. formamonstruosaat the globular stage and callus, we investigated the effect of abscisic acid (ABA) in the following concentrations: 0, 0.1, 1, 10, and 100 μM on successive stages of direct (DSE) and indirect somatic embryogenesis (ISE). In the indirect somatic embryogenesis process we also investigated a combined effect of ABA (0, 0.1, 1 μM) and sucrose (1, 3, 5%). The results showed that a low concentration of ABA (0-1 μM) stimulates the elongation of embryos at the globular stage and the number of correct embryos in direct somatic embryogenesis, while a high ABA concentration (10–100 μM) results in growth inhibition and turgor pressure loss of somatic embryos. The indirect somatic embryogenesis study in this cactus suggests that lower ABA concentrations enhance the increase in calli fresh weight, while a high concentration of 10 μM ABA or more changes calli color and decreases its proliferation rate. However, in the case of indirect somatic embryogenesis, ABA had no effect on the number of somatic embryos and their maturation. Nevertheless, we found a positive effect of sucrose concentration for both the number of somatic embryos and the increase in calli fresh weight.

Morphology of carrot somatic embryos formed in medium with abscisic acid

1997 ◽  
Vol 40 (1) ◽  
pp. 15-20 ◽  
Author(s):  
Soh Woong Young ◽  
Duck Yee Cho ◽  
Kyung Sik Kim ◽  
Byung Yun Sun
Keyword(s):  
Abscisic Acid ◽  
Somatic Embryos

Effects of abscisic acid and high concentrations of PEG on Hevea brasiliensis somatic embryos development

Plant Science ◽  
1997 ◽  
Vol 124 (2) ◽  
pp. 183-191 ◽  
Author(s):  
Laurent Linossier ◽  
Philippe Veisseire ◽  
Françoise Cailloux ◽  
Alain Coudret
Keyword(s):  
Abscisic Acid ◽  
Hevea Brasiliensis ◽  
Somatic Embryos ◽  
High Concentrations
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