植物激素的相互作用（The interaction of plant hormones）.doc

植物激素的相互作用（The interaction of plant hormones） The interaction of plant hormones Abstract: plant hormone is an important part of the study on plant physiology, after years of research, now basically mastered the structure and action mechanism of plant hormones, according to the nature of the plant hormone synthesized by the people similar to the plant growth regulator of plant hormones, is widely used in the production, made great economic and social benefits, but is often several hormones in plants exist at the same time, the common control with any physiological processes of plant growth and development process. They can be mutually reinforcing and mutually reinforcing. Therefore, we conducted an experimental study and summarized the interaction between plant hormones (plant regulators). Key words: plant hormone; Auxin. Gibberellic acid; Cytokinins; Abscisic acid; Ethylene; Synergistic effect; Antagonism effect A summary of plant hormones Plant hormones are the microorganic substances that are synthesized in plants and can be moved and have a significant effect on growth and development. At present, the plant has been found in the body of the plant hormone auxin IAA (auxin, gibberellin, GAs (gibberellins and cytokinins CTK (cytokinin), abscisic acid, ABA (abscisin) and ethylene ETH (ethylene). We used to call them the five classic plant hormones. In recent years, natural substances such as olein, jasmonic acid, polyamine and salicylic acid have been found to regulate the growth and development of plants. 1.1 auxin 1.1.1 the discovery of auxin In 1880, when Darwin studied the movement of plants to the sexual movement, he found that the tip of a plant was affected by unilateral light exposure, and that the elongation of the stem caused a curve. In 1928, F.W. winter of the Netherlands isolated a biologically active substance from the tip of the oat germ sheath, known as auxin, which is the substance that causes the elongation of the germ sheath. In 1934, the Netherland