WebCytokinins increase the resistance of plants to adverse factors such as high and low temperatures and certain disease. The nature of the action of cytokinins in bringing about these effects is still unknown. Naturally-occurring cytokinins have been implicated in host-parasite relationship. WebJul 20, 2024 · The plant hormone cytokinins (CKs) were generally considered associated with plant development. More recently, functions of CKs in plant stress defense including salt have been increasingly characterized. Under saline conditions, not only CKs homeostasis but also its signal transduction pathway is disturbed in a plant species …
Plant Hormones: Definition, Types, Function, Auxin
WebJan 11, 2024 · Types of Plant Hormones. Five different types of plant hormones are involved in the main responses of plants, and they each have different functions (Table below). Hormone. Function. Ethylene. Fruit ripening and abscission. Gibberellins. Break the dormancy of seeds and buds; promote growth. Cytokinins. WebHormone action At the cell level hormones attach to a protein receptor which sends a signal down a transduction pathway to switch on particular genes. Through transcription and translation this leads to production of an enzyme protein which actually causes the change in plant growth. A good example from the early stages of plant development is ... portland state university transfer credit
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WebAug 24, 2024 · Cytokinins are plant hormones known for their role in mediating plant growth. First discovered for their ability to promote cell division, this class of hormones is now associated with many other cellular and physiological functions. WebCytokinins; Ethylene; Polyamines; Abscisic Acid; Salicylic Acid; Brassinosteroids; Jasmonates; The above-mentioned classes of plant hormones will be discussed separately in the rest of our article. Auxins. It is one of the major classes of plant hormones that influence plant growth as well as the development of new plants. Chemical Nature WebQuestion 1b. Textbook Question. Test your knowledge of the five major classes of plant hormones (auxins, cytokinins, gibberellins, abscisic acid, ethylene) by matching one … optimus health care