Wednesday, November 13, 2013

taproot system

ROOTS

A taproot system is where the primary root system becomes the main root of the plant with only a secondary root system coming off, it the root that grows downwards.  The taproot is larger in diamater than the lateral roots. Lateral roots. The taproot system contrasts with the fibrous root system with many branched roots.


Dicots, one of the two divisions of angiosperms, start with a taproot, which is one main root forming from the enlarging radicle of the seed. The tap root can be persistent throughout the life of the plant but is most often replaced later in the plant's development by a fibrous root system.  A persistent taproot system forms when the radicle keeps growing and smaller lateral roots form along the taproot. The shape of taproots can vary but the typical shapes include

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