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[nafex] Gibberellin (GA)


The following web page talks about Gibberellin (GA) can be used to bypass apple seed stratification.  Does anyone know what it is?


"We concluded that Gibberellin (GA) treatment of dormant apple embryos could be used to bypass stratification. This practice is suggested for those who are not interested in higher rates of germination and do not want to wait the minimum time required for partial stratification. Application of Cytokinins along with Gibberellin (GA) treatment is further suggested to produce a synergistic effect in the germination of dormant apple seeds."

The article also states that ABA (rooting hormome) will hold a seed a seed in dormancy.  Something I never knew.

Strange that the hormone that helps stimulate roots, will hold a seed in dormancy.

Thomas Olenio
Ontario, Canada
Hardiness Zone 6a

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