PPT-HORMONES & GROWTH-REGULATING CHEMICALS

Growth Retardants Synthetic and natural growth retardants are sold under the trade names ARest BNine Bonzi Sumagic Cycocel and others Used on florist crops such as poinsettia amp chrysanthemum. Objectives. Define hormone action. Explain the 5 types of hormone action. Know the function and effects of hormones in detail. Hormone Action. Definition. Chemical messengers secreted by various tissues, not necessarily secreted by ductless glands.. Growth of an individual or an . organ involves:. Increase . both in cell number and . cell size. Differentiation . of cells to perform highly . specialized functions. and . tissue remodeling that . may . Plant Hormones. Plant Hormones. Naturally occurring compounds produced by the plant to accelerate or inhibit the rate of growth or maturation. Produced in minute quantities, but can have a large affect on growth. Objectives. Define hormone action. Explain the 5 types of hormone action. Know the function and effects of hormones in detail. Hormone Action. Definition. Chemical messengers secreted by various tissues, not necessarily secreted by ductless glands.. Essential idea: Hormones are not secreted at a uniform rate and exert their effect at low concentration. D.5 Hormones and metabolism. Understandings:. Endocrine glands secrete hormones directly into the bloodstream. Define plant hormones. Outline some of the effects of plant hormones. Explain some of the observations when carrying out experiments into plant hormones. Give examples of how they are used in food production. Plant Growth and Development. Hormones . diffuse throughout the plant to promote growth and development.. What is a Plant Hormone?. A . naturally-occurring. compound which regulates change in . physiology. BY. Dr. APEKSHA PANWAR. DEPARTMENT OF KRIYA SHARIR. Phytohormones. :-. (. i. ) Growth hormones also called . phytohormones. (ii) Term given by . Thimann. (1948),. (iii) It can be defined as ‘the organic substances which are synthesized in minute quantities in one part of the plant body and transported to another part where they influence specific physiological processes’.. Dr. . Noori. M . Luaibi. Pituitary Gland and Its Relation to the Hypothalamus Pituitary Gland: Two Distinct Parts–The Anterior and Posterior Lobes. . The . pituitary gland . (Figure 75–1). , . Hypothalamus. Anterior pituitary. Posterior pituitary. Neurosecretory. neurons. Systemic . arterial . inflow. Hypothalamic-hypophyseal. portal system. System. venous. outflow. Hypophysiotropic H.:. Anterior pituitary hormones: . Dr. Anju Singh. Assistant Professor . School of Pharmaceutical Sciences. CSJMU, Kanpur. Plant Hormones and Their Applications. Plant hormones or phytohormones are chemicals that regulate plant growth. Plant hormones are signal molecules produced within the plant and occur in extremely low concentrations. Hormones regulate cellular processes in targeted cells locally and then moved to other locations, in other locations of the plant. They affect gene expression and transcription levels, cellular division, and growth. There are five major classes of plant hormones.. Dr.Shashikant. . R.Sitre. Department of Zoology. N.S.Science. and Arts College, . Bhadrawati. Hormones of . Adenohypophysis. The . Adenohypophyis. of the pituitary gland is characteristically glandular in nature and . Background Information on Growth Hormones . Growth hormone is a protein-based peptide which stimulates growth, cell reproduction, and regeneration in humans and animals.. Growth hormone injections are used to treat children’s growth disorders/growth hormone deficiencies because their pituitary glands cannot produce the proper amount of growth hormones resulting in a short stature..