PPT-DORMANCY John L. Terlabie

DORMANCY Dormancy refers to the state in which a living plant organ ie bud seed tuber or bulb fails to exhibit growth even when environmental conditions are considered favorable It also refers to a state in which growth is temporarily suspended. By O.M.HEIDEand A.S How Plants Respond to External . Stimuli. Essential Standards. 6.L.. 2 Understand . the flow of . energy through . ecosystems and the responses of populations to . the biotic . and . abiotic. factors in their environment.. Plant Propagation. Seed Terminology. Viable: the seed has a “living” embryo and is . capable. of germinating.. Germination test: The percentage of seed, in any given sample size, that actually germinate. . It is easy to grow and doesn’t take up much space.. It has a small genome that is completely sequenced, and has a complete genetic map.. It tastes good and is valued by the farm industry.. It self-pollinates but can also be out-crossed by hand for genetic crosses.. 1 to 2% which is best done under controlled temperatures with seeds layered in a porous material testing germination, be kept either a or frequent watering. is time-consuming, and the always avai in Plants. Photoperiodism. This is the response of a plant to the relative lengths of daylight and darkness.. It is based on a system that monitors the day/night cycle.. The photoreceptor involved in this is a blue-green pigment called . Greenhouse Management. Seed Terminology. Viable: the seed has a “living” embryo and is . capable. of germinating.. Germination test: The percentage of seed, in any given sample size, that actually germinate. . Like any other organism, plants have to reproduce in order to survive as a species!. If plants didn’t reproduce, what would happen?!. Exactly . . . . There would be no more plants! And that would be bad . . . . Because there would be no more me or you!!!!. – Dormancy and Germination. Follow-Me – . iQuiz. Q. State a difference between the seeds of monocots and dicots other than the number of seed leaves.. Aerobic respiration. Cotyledon; Endosperm. Food store as endosperm; No endosperm. Fig. 32-1a, p.540. Impacts, Issues: . . Foolish Seedlings, Gorgeous Grapes. . . Hormones – signaling molecules that stimulate or inhibit gene activity. Gibberellins are a class of plant hormones that stimulate stem lengthening. By: Asma Shireen Md. . Ashraf. B, Sc. II . Guided By: Dr. Sunil Modak. . Plant Physiology. Unit . III. : Growth & . Development. Topic: Growth Regulators. What are growth regulators?. They are the . M. ycobacterium tuberculosis. dormancy program. Voskuil. , M.I., . Schappinger. , D., Visconti, K.C., Harrell, M.I., . Dolganov. , G.M., Sherman, D.R., and . Schoolnik. , G.K. (2003). . . J. Exp. Med. 198. Life in the Cold Evolution Mechanisms Adaptation and Application Twelfth International Hibernation Symposium Biological Papers of the 5niversity of Szivwmrxivmrk mr Xiky PmevhwENIS V ANDRADE C/LIN SAN F. ood . is . scarce. Drought occurs. The weather is too hot/cold. Dormancy Group Assignment. *. Hibernation, Torpor, Estivation, and Seed/Plant Dormancy. With a . your table, . you will make a quick poster including the following information about your assigned form of dormancy:.