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taproot    
n. 主根,直根

主根,直根

taproot
n 1: (botany) main root of a plant growing straight downward
from the stem
2: something that provides an important central source for
growth or development; "the taproot of his resentment";
"genius and insanity spring from the same taproot"

Taproot \Tap"root`\, n. (Bot.)
The root of a plant which penetrates the earth directly
downward to a considerable depth without dividing.
[1913 Webster]

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  • Taproot - Wikipedia
    A taproot is a large, central, and dominant root from which other roots sprout laterally and horizontally Typically, a taproot is somewhat straight and very thick, is tapering in shape, and grows directly downward [1]
  • Taproot - Definition, Examples, Functions, and Diagram
    A taproot is the thick main root of a plant that grows vertically downward into the soil from which smaller lateral roots branch out Taproots have a prominent central axis, unlike fibrous roots that are fine and branching
  • What Is a Tap Root? Definition, Function, and Examples
    Among various root systems, the taproot is a distinct and effective type, playing a significant role in how certain plants interact with their environment A taproot is characterized by a single, large, and dominant root that grows vertically downward into the soil
  • Taproot | Definition, Facts, Examples | Britannica
    Taproot, the main root of a primary root system, growing vertically downward Most dicotyledonous plants produce taproots, some of which are specialized for food storage
  • Tap Roots: What They Are and Why They Matter for Trees
    Tap roots are the primary anchoring structures of many tree species A true tap root system begins with a single dominant root that grows straight down into the soil profile, sending out smaller lateral roots as the tree matures
  • TAPROOT Definition Meaning - Merriam-Webster
    The meaning of TAPROOT is a primary root that grows vertically downward and gives off small lateral roots
  • Plant of the Week: Taproots
    When a seed germinates it produces a shoot and a root, which is called the radicle This radicle, in the purest sense, is a taproot Taproot growth is under the hormonal control of auxin, the hormone that causes young shoots to grow up and young roots to grow down
  • Tap Root System: Definition and Types (With Diagram)
    Definition of Tap Root System: It is a mass of roots which develops from the radicle of the embryo It consists of a tap root, second­ary roots, tertiary roots and rootlets (Fig 5 5) The radicle itself grows up directly into the main or pri­mary root The persistent primary root is known as tap root
  • Taproot - an overview | ScienceDirect Topics
    A taproot is defined as a large, central, and dominant root that grows downward from the crown of a plant, typically characterized by a larger diameter at the crown that tapers with depth and often stores significant carbohydrates and proteins for winter survival
  • Taproot System: Types, Modifications and Examples - StudiousGuy
    Morphologically, a taproot system consists of one thick, cylindrical main root known as the primary root Branches of roots arise from the primary roots and these branches are known as secondary and tertiary roots





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