Hortic Res. 8: 26 (2021)
KSN heterozygosity is associated with continuous flowering of Rosa rugosa Purple branch
Mengjuan Bai et al.
Images of R. rugosa Plena, R. rugosa Purple branch and R. davurica.
R. rugosa Plena and R. davurica are OF species blooming from April to May.
R. rugosa Purple branch is a continuously flowering variety that flowers from April to October.
The flowering time is represented by the gray boxes