Antioxidative System and Osmotic Regulation in Seedlings of Annual Hibiscus hamabo Sieb. et Zucc. under Salt Stress Responses of Photosynthetic Characteristics of Hibiscus hamabo and Myrica cerifera Seedlings to Simulated Tidal Waterlogging Domestication and Exploiting Perspective of Hibiscus hamabo Effects of treating with concentrated sulfuric acid on the seed germination of ten Hibiscus hamabo provenance families. Antioxidative System and Osmotic Regulation in Seedlings of Annual Hibiscus hamabo Sieb.et Zucc.under Salt Stress