Seed germination

Establishing timely and healthy seed germination and crop establishment is the foundation for a good season. 

Active compounds
Seed Spark contains the karrikinolide (KAR1) that trigger seed germination, and also polyphenols that catalyse the production of enzymes to generate antioxidants to provide early resistance to prevailing environmental stressed such as cold, salinity or toxic metals.

Physiological functions at work
The seed germination active compound in Seed Spark is a karrikinolide – specifically KAR1.  KAR1 is perceived by the α/β hydrolase protein receptor KARRIKIN INSENSITIVE2 (KAI2). In turn KAI2 interacts with MORE AXILLARY GROWTH 2 (MAX2) protein to trigger the degradation of the SMAX1 repressor proteins. When unimpeded, SMAX1 interacts with RGL2 (Repressor of Gibberellin insensitive- Like2) proteins to regulate seed germination, specifically by repressing the effect of gibberellic acid.  Through the signalling transduction sequence involving KAI2 protein receptor and MAX2 protein,  the introduction of KAR1 triggers seed germination.