Gracilariopsis lemaneiformisis is an important macroalgae, which has greateconomic and theoretical research value. The cultivation scale has expanded year byyear and industrialization has been achieved, however., the molecular breedingsystem is not available at present. The main breeding way ofGracilariopsis lemaneiformisis is traditional means that using artificial selective andmutation breeding techniques, taking a long time and heave workloaded so thataccelerating its molecular breeding process seems urg...