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SCH
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A strong nearly or quite perpendicular main [[root]] that carries the plant axis straight into the ground, all the other roots being secondary to it, rather than branching equally or diversely at the [[crown]].{{SCH}}
{{glossary}}
A strong nearly or quite perpendicular main [[root]] that carries the plant axis straight into the ground, all the other roots being secondary to it, rather than branching equally or diversely at the [[crown]].{{SCH}}
{{glossary}}