Photosynthesis, photorespiration and productivity of wheat and ..
Photosynthesis, photorespiration, and plant productivity.
The product of photosynthesis is a , such as the sugar , and oxygen which is released into the atmosphere (Figure 9l-1). All of the sugar produced in the photosynthetic cells of plants and other organisms is derived from the initial chemical combining of carbon dioxide and water with sunlight (Figure 9l-1). This chemical reaction is catalyzed by acting together with other , , , , and molecules. Sugars created in photosynthesis can be later converted by the plant to starch for storage, or it can be combined with other sugar molecules to form specialized carbohydrates, such as . Sugars can also be combined with other such as nitrogen, phosphorus, and sulfur, to build complex molecules such as proteins and nucleic acids.
Photosynthesis, Photorespiration and Productivity of …
The of a is the amount of biomass produced through photosynthesis per unit area and time by plants, the primary producers. Primary productivity is usually expressed in units of energy (e.g., joules m day ) or in units of dry organic matter (e.g., kg m year ). Globally, primary production amounts to 243 billion metric tons of dry plant biomass per year. The total energy by plants in a community through photosynthesis is referred to as (). Because all the energy fixed by the plant is converted into sugar, it is theoretically possible to determine a plant's energy uptake by measuring the amount of sugar produced. A proportion of the energy of gross primary productivity is used by plants in a process called . Respiration provides a plant with the energy needed for various plant physiological and morphological activities. The general equation for respiration is:
Manipulating photorespiration to increase plant productivity: ..
The Centre’s goal is to improve the biological process of photosynthesis in the crop plants that humans depend on for food, such as wheat, rice and sorghum.
24/12/2017 · This book is divided into 3 sections
Description :Photosynthesis, Volume II: Development, Carbon Metabolism, and Plant Productivity provides a basic understanding of photosynthesis. This book also explains how to manipulate photosynthesis and improve...