growth substances — See plant growth substances … Dictionary of molecular biology
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 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
growth — /grohth/, n. 1. the act or process, or a manner of growing; development; gradual increase. 2. size or stage of development: It hasn t yet reached its full growth. 3. completed development. 4. development from a simpler to a more complex stage:… … Universalium
growth substance — noun see growth regulator * * * growth substance noun One of a number of substances (sometimes called plant hormones) formed in plants or synthetically, that at low concentrations have specific effects on plant growth or development • • • Main… … Useful english dictionary
Plant tissue culture — is a practice used to propagate plants under sterile conditions, often to produce clones of a plant. Different techniques in plant tissue culture may offer certain advantages over traditional methods of propagation, including:* The production of… … Wikipedia
plant´like´ — plant «plant, plahnt», noun, verb. –n. 1. any living thing that is not an animal; a vegetable, in the widest sense. A plant is traditionally distinguished from an animal by the absence of locomotion and of special organs of sensation and… … Useful english dictionary
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 — /plænt / (say plant), /plant / (say plahnt) noun 1. any living organism which is characterised by the capacity to synthesise food from inorganic substances and by the presence of cellulose in its cell walls, and which is incapable of voluntary… …