root

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ROOT. That part of a tree or plant under ground from which it draws most of its nourishment from the earth.
     2. When the roots of a tree planted in one man's land extend into that of another, this circumstance does not give the latter any right to the tree, though such is the doctrine of the civil law; Dig. 41, 1, 7, 13; but such person has a right to cut off the roots up to his line. Rolle's R. 394, vide Tree.
     3. In a figurative sense, the term root is used to signify the person from whom one or more others are descended. Vide Descent; Per stirpes.

References in periodicals archive ?
A symbiotic relationship of mycorrhizae and plant roots enhances crop roots system.
Nearly 90% of the world's plants form an association with mycorrhizal fungi, which colonize plant roots and provide the host with enhanced capacity for water and mineral uptake.
The plant roots analysed herein also constitute the oldest evidence of the existence of large roots ever described.
Plant roots use their endodermis, or inner skin, as a cellular gatekeeper to control the efficient use and movement of water and nutrients from the soil to the above-ground parts of the plant.
Because microorganisms growing on the plant roots can influence plant growth positively or negatively [6], a good understanding of the importance of soil and plant factors for microbial rhizosphere communities is needed in order to be able to manipulate microbial populations in the rhizosphere.
However, little information is available on the effects of Al on proton release from tea plant roots and the potential impact on soil acidification.
The plant roots embedded between two layers of porous materiel.
One of the biggest underground markets on the planet-nutrient trading between plant roots and fungi--turns out to run on a system of reciprocal rewards for good suppliers and less business for bad ones.
coli can potentially be controlled on the surface of raw produce, there have been concerns that plant roots could take in the bacteria along with nutrients and water.
This study used mutant tomato plants to demonstrate that the plant hormone auxin is required for the establishment of a mutualistic symbiosis between plant roots and mycorrhizal fungi.
In addition, night crawler tunnels create open channels for water and plant roots, which can make a huge difference in tight clay soil.
With funding from USDA's Cooperative State Research, Education, and Extension Service (CSREES) National Research Initiative (NRI), Mario Biondini at North Dakota State University found a way to more accurately predict water uptake from plant roots by improving upon the West, Brown, and Enquist (WBE) general model for scaling laws in biological networks.