Blog 3 - Physiology and Growth
Blog 3 - Physiology and Growth Is the pecan a C3 or a C4 plant? The pecan is a C3 plant. A C4 plant has the special ability to close its stomata throughout most of the day. This way the plant will not run out of water very quickly when it is warm and water easily evaporates. Therefore, the C4 characteristic are needed for plants growing in arid regions. (Difference between C3. C4 and CAM plants, n.d.) . As we mentioned in blog 1, the pecan is native to South-North America. Therefore, the climate is warm, but not arid. Is the pecan an annual, biennial or a perennial? The pecan tree is a perennial for its lifespan is longer than three years. (Andersen, 2017) . Is the pecan able to fix atmospheric nitrogen? Legumes have nitrification abilities. It is able to take up the nitrogen out of the air (N2) and fix it into ammonia (CH4). The ammonia is later nitrified and turned into nitrates (NO3-), which the plants can take up as nutrient. The nitrogen fixation is done at the r...