taproot

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taproot

the large single root of plants such as the dandelion, which grows vertically downwards and bears smaller lateral roots
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

taproot

[′tap‚rüt]
(botany)
A root system in which the primary root forms a dominant central axis that penetrates vertically and rather deeply into the soil; it is generally larger in diameter than its branches.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Two cycles of selection for more or fewer lateral roots in the NDRN source germplasms created populations that were more branched or more taprooted than the unselected NDRN parent population (Fig.
Abbreviations: BRH, branched roots; GCA, general combining ability; HF, high fibrous root mass; LF, low fibrous root mass; TAP, taprooted;