Pith

Pith

A usually continuous central core of predominantly parenchymatous tissue that occurs in the stem of most vascular plants and some roots as part of the primary tissue system. Typically surrounded by vascular tissue, probably functions chiefly in storage, and may disappear leaving a void in some plants.

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Part of Speech: noun
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Industry/Domain: Agriculture
Category: Rice science
Company: IRRI
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Related terms

pith

Plants; General plants

The soft, spongy tissue that is in the center of the stems of most flowering plants.

pith

Plants; Botany

The central region of a stem, inside the vascular cylinder.

pith

Culinary arts; Cooking

The soft, white, somewhat bitter, spongy layer that lies between the outer peel and the flesh of a citrus fruit.

pith

Biology; General

Central area in plant stems, largely composed of parenchyma tissue modified for storage.

pith

Agriculture; Rice science

A usually continuous central core of predominantly parenchymatous tissue that occurs in the stem of most vascular plants and some roots as part of the primary tissue system. ...

pith

Construction; Flooring

The small, soft core occurring near the center of a tree trunk, branch, twig or log.

watershed

Agriculture; Rice science

The total area from which a single river collects surface water runoff; the catchment or drainage area of a river system.

watershed degradation

Agriculture; Rice science

A marked deterioration in the hydrological behavior of a river system which reduces the potential of land and water by causing a water flow of inferior quality, quantity and ...

waterlogging

Agriculture; Rice science

Impeded drainage; or soil saturated with water but not necessarily with standing water.

waterlogged field

Agriculture; Rice science

A field which continuously has standing water and cannot be drained. The water level may not be deep.

water use efficiency

Agriculture; Rice science

1). Expressed in terms of dry matter or harvested portion of the crop produced per unit of water consumed. 2). Ratio of the water used for evapotranspiration, seepage, and ...