primary root


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primary root

n.
The first root of a plant, originating in the embryo.
References in periodicals archive ?
Analysis of ARRO-I's expression profile in the primary root of apple seedlings indicates that it is also highly upregulated in the root in response to both IAA and IBA (Butler & Gallagher, 2000).
The primary root cause of this top area of leakage was indicated to be process compliance, demonstrating the need for companies to look to their system infrastructure to solve such problems.
Eighty-three percent of respondents said they would not support legislation creating an "official religion" in the United States and 37 percent said religious differences were the primary root cause of armed conflict around the globe.
That may be putting it a tad simplistically, given that NSI is still answerable to Commerce for the duration of its contract, but ICANN's control of the primary root server is one of its principle tasks, as laid out in its agreement with the US government.
Clarity is important because the primary root of breakdown in negotiating is misunderstanding.
For Expt 1, the primary root (of the large-seeded species) was scanned separately from its lateral roots to digitally measure its mean diameter, [D.
Germination was evaluated every 24h for seven days and was measured as the 2-mm emergence of the primary root.
The seed swells, cracks its coat, and the primary root emerges - to anchor the plant and to absorb water - to build tissue so that a stem bearing leaves can show above ground.
They scored the root systems for 27 traits that describe both the individual root types, such as the primary root, crown roots, and lateral roots, as well as the architecture of the whole root system.
Traditionally radiographs have been the principal tool for determining primary root canal lengths prior to pulpectomy.
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