Plant pathology

Plant pathology

The scientific study of plant diseases, their treatment and prevention.

Industry: Plants

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Plant pathology

rootstock

Plants; Plant pathology

Portion of the stem (trunk) and associated root system into which a bud or scion is inserted in grafting; fleshy overwintering part of a herbaceous perennial plant with buds and eyes (see scion. )

hormone

Plants; Plant pathology

A chemical substance produced in one part of an organism and transported in minute quantities to induce a growth response in another part, e.g. in plants, auxins, cytokinins, and gibberellins.

growth regulator

Plants; Plant pathology

A chemical substance produced in one part of an organism and transported in minute quantities to induce a growth response in another part, e.g. in plants, auxins, cytokinins, and gibberellins.

acropetal

Plants; Plant pathology

Upward from the base to the apex of a shoot of a plant; in fungi, the production of spores in succession in the direction of the apex so that the apical spore is the youngest (see basipetal. )

totipotency

Plants; Plant pathology

The concept that even specialized cells contain all of the genetic information for an organism and, therefore, any cell should be able to regenerate into any tissue or into an entire plant.

clone

Plants; Plant pathology

A population of cells or organisms of identical genotype; population of recombinant DNA molecules all carrying the same inserted sequence;

protection

Plants; Plant pathology

A principle of plant disease control in which a barrier is placed between the susceptible plant and pathogen (e.g. the use of protective chemical dusts or sprays. )