Summary: This title includes a number of Open Access chapters.In order to function and survive, plants produce a wide array of chemical compounds not found in other organisms. Photosynthesis requires a large array of pigments, enzymes, and other compounds to function, and these chemicals have multiple practical uses in the human world as well, with applications to agriculture, forestry, and horticulture. This book presents an important collection of research and studies on the physiology of photosynthesis