"changhae" is a new Hibiseus variety developed by a mutation breeding by using a gamma ray irradiation. O dred seeds ofthe or iginal variety, "Suminokura", grown in a breeding field in the Namyangju, Gyeonggi Province were irradiatedwith a 100 Gy gamma ra

Ggoma' is a new Hibiscus variety released by a mutation breeding using a gamma ray irradiation at the Korea AtomicEnergy Research Institute (KAERI). One hundred seeds ofthe origmal native variety, 'Hongdansim 2', were collected from arounda 35 year old pl