Chlorophyll, chloroplast undoubtedly green performance. Anthocyanins are the performance of the American Red Maple Which encountered alkaline substances will show purple. Carotene is manifested in orange or yellow, depending on changes in the environment of sugar by the American Maple collectively known as anthocyanins or carotenoids. In the spring, the new American maple leaf will show a little red maple seedlings America, mainly due to the impact of high-quality American maple anthocyanins, and then when the leaves grow up and start photosynthesis, the synthesis of a large number of chloroplasts and chlorophyll, Maple leaves the United States gradually turns green. There are two main American Maple reproduction, sexual reproduction and asexual reproduction. Sexual reproduction is usually by seed nursery, in the process of sexual reproduction occurs gene recombination, mutation, that is to say the United States maple sapling was obtained by seed propagation traits is unstable, which resulted in the American Red Maple color when unstable and may not change color, and leaf color may not like the female plants. American maple seedlings _ Shandong Shanda seedlings (certified) _ by Weifang grand American Maple seedling cultivation base. Weifang grand seedling cultivation base (www.wfsdmm.com) Shandong Weifang, flowers leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the grand seedlings leadership with the staff warmly welcome all inquiries negotiations to create a better future grand seedlings.