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Wicklow, town, Republic of Ireland

(Encyclopedia)Wicklow, town (1991 pop. 6,215), seat of Co. Wicklow, E Republic of Ireland, on the Irish Sea. It is a seaport and market for an area of potato growing and livestock raising. Chemicals, fertilizers, a...

Mont Laurier

(Encyclopedia)Mont Laurier môN lōˈrēāˌ [key], town (1991 pop. 7,862), SW Que., Canada, on the Lièvre River, N of Ottawa. Located in the Laurentian Mts., it is a winter resort in a lumbering and potato-growin...

tuber

(Encyclopedia)tuber, enlarged tip of a rhizome (underground stem) that stores food. Although much modified in structure, the tuber contains all the usual stem parts—bark, wood, pith, nodes, and internodes. The ey...

Bolley, Henry Luke

(Encyclopedia)Bolley, Henry Luke, 1865–1956, American plant pathologist, b. Dearborn co., Ind. He is noted for his work on organisms causing diseases of crop plants (including the discovery of the cause of potato...

Damanhur

(Encyclopedia)Damanhur dämänho͝orˈ [key], city (1986 pop. 188,939), capital of Beheira governorate, N Egypt, in the Nile River delta. It is a communications center and a market for cotton and rice. Industries i...

amyloplast

(Encyclopedia)amyloplast ămˈəlōplăstˌ [key], also called leucoplast, a nonpigmented organelle, or plastid, occurring in the cytoplasm of plant cells. Amyloplasts transform glucose, a simple sugar, into starch...

Caribou, town, United States

(Encyclopedia)Caribou kârˈĭbo͞o [key], town (2020 pop. 7,396), Aroostook co., NE Maine, on the Aroostook ...

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...

blight

(Encyclopedia)blight, general term for any sudden and severe plant disease or for the agent that causes it. The term is now applied chiefly to diseases caused by bacteria (e.g., bean blights and fire blight of frui...

sweetener, artificial

(Encyclopedia)sweetener, artificial, substance used as a low-calorie sugar substitute. Saccharin, cyclamates, and aspartame have been the most commonly used artificial sweeteners. Saccharin, a coal-tar derivative t...