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Coleorhiza definition, the sheath that envelops the radicle in certain plants and that is penetrated by the root in germination. See more.
2 meanings: → another name for coleorhiza a protective sheath around the radicle in grasses.... Click for more definitions.
Mar 3, 2009 · The coleorhiza has been thought to have a role in protecting the emerging roots (Sargent and Osborne, 1980), but it has not been associated with seed dormancy. Although the coleorhiza is involved in germination and successful establishment of all of the major monocot crop seeds, our knowledge of its morphology, anatomy, and function is very sparse.
A protective sheath around the radicle in grasses.... Click for English pronunciations, examples sentences, video.
Monocot Seeds. The seeds of the most complex monocot family, Poaceae (the grass family), which includes corn and wheat, are highly specialized. The testa and tegmen of the seed coat are fused. The fruit is a caryopsis (grain), a one-seeded fruit in which the fruit wall ( pericarp) is fused to the seed coat.
Sep 24, 2020 · Coleorhiza emergence was followed by coleorhiza rupture and the completion of germination by visible radicle emergence (Fig. 1b,c). The precise location of the radicle emergence through the ruptured coleorhiza was adjacent to the coleorhiza tip and not through the tip itself (Fig. 1c), as has also been observed for barley (Barrero et al., 2009).
Jul 30, 2019 · 3 min read. The main difference between coleoptile and coleorhiza is that coleoptile is a pointed protective sheath which covers the emerging shoot in monocots, whereas coleorhiza is the sheath-like structure which connects the coleoptile to the primary root, protecting the radicle in monocots. Furthermore, coleoptile comes out of the soil and ...
