2. Thermal treatment
Yet another method that uses heat to protect the seeds. This seed treatment method by hot air belongs to a group of physical methods. Many seed-borne diseases can easily be prevented by thermal seed treatment method. It is an eco-friendly and relatively low cost solution which makes it one of the best seed treatment methods. This method has been approved by Swedish Seed Testing Certification Institute as equivalent to chemical treatment of cereal seeds. In Sweden, around 70% of certified seeds is treated by this method.
