Plant hormone — Plant hormones (also known as 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… … Wikipedia
Plant physiology — is a subdiscipline of botany concerned with the function, or physiology, of plants.Salisbury, Frank B. Cleon W. Ross, 1992. Plant physiology , 4th ed. (Belmont, California: Wadsworth Publishing). ISBN 0 534 15162 0] Closely related fields include … Wikipedia
plant development — Introduction a multiphasic process in which two distinct forms succeed each other in alternating generations. One form, created by the union of sexual cells (gametes (gamete)), contains two sets of similar chromosomes (diploid). At sexual… … Universalium
Plant sexuality — Close up of an Echinopsis spachiana flower, showing both carpels (only the styles and stigmas are visible) and stamens, making it a perfect flower. Plant sexuality covers the wide variety of sexual reproduction systems found across the plant… … Wikipedia
plant — plantable, adj. plantless, adj. plantlike, adj. /plant, plahnt/, n. 1. any member of the kingdom Plantae, comprising multicellular organisms that typically produce their own food from inorganic matter by the process of photosynthesis and that… … Universalium
Plant defense against herbivory — Poison ivy produces urushiol to protect the plant from herbivores. In humans this chemical produces an allergic skin rash, known as urushiol induced contact dermatitis … Wikipedia
plant breeding — Introduction application of genetic (genetics) principles to produce plants that are more useful to humans. This is accomplished by selecting plants found to be economically or aesthetically desirable, first by controlling the mating of… … Universalium
Plant morphology — (or phytomorphology) is the general term for the study of the morphology (physical form and external structure) of plants. [Raven, P. H., R. F. Evert, S. E. Eichhorn. Biology of Plants , 7th ed., page 9. (New York: W. H. Freeman, 2005). ISBN 0… … Wikipedia
plant disease — ▪ plant pathology Introduction an impairment of the normal state of a plant that interrupts or modifies its vital functions. All species of plants, wild and cultivated alike, are subject to disease. Although each species is… … Universalium
Plant breeding — is the art and science of changing the genetics of plants in order to produce desired characteristics.[1] Plant breeding can be accomplished through many different techniques ranging from simply selecting plants with desirable characteristics for … Wikipedia
Plant anatomy — or phytotomy is the general term for the study of the internal structure of plants. While originally it included plant morphology, which is the description of the physical form and external structure of plants, since the mid Twentieth Century the … Wikipedia