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diseases of plants

(Encyclopedia)diseases of plants. Most plant diseases are caused by fungi, bacteria, and viruses. Although the term disease is usually used only for the destruction of live plants, the action of dry rot and the rot...

propagation of plants

(Encyclopedia)propagation of plants is effected in nature chiefly sexually by the seed and the spore, less often by rhizomes and other methods (see reproduction). Vegetative means include cutting, layering, graftin...

communicable diseases

(Encyclopedia)communicable diseases, illnesses caused by microorganisms and transmitted from an infected person or animal to another person or animal. Some diseases are passed on by direct or indirect contact with ...

contagious diseases

(Encyclopedia)contagious diseases: see communicable diseases. ...

infectious diseases

(Encyclopedia)infectious diseases: see communicable diseases. ...

alpine plants

(Encyclopedia)alpine plants, high-altitude representatives of various flowering plants (chiefly perennials) that because of their dwarf habit, profuse blooming, and the preference of many for shady places are culti...

insectivorous plants

(Encyclopedia)insectivorous plants: see bladderwort; pitcher plant; Venus's-flytrap. ...

house plants

(Encyclopedia)house plants, varied group of plants grown indoors and requiring no special care. They are usually grown singly in pots, but can also be grouped and planted together in dish gardens and terrariums. So...

medicinal plants

(Encyclopedia)medicinal plants, plants used as natural medicines. This practice has existed since prehistoric times. There are three ways in which plants have been found useful in medicine. First, they may be used ...

carnivorous plants

(Encyclopedia)carnivorous plants: see bladderwort; pitcher plant; Venus's-flytrap. ...