coleoptile

Noun

Meaning

coleoptile (plural coleoptiles)

(botany) A pointed sheath that protects the emerging shoot in monocotyledons such as oats and grasses.

Related terms

Examples

Plant hormones 1 An oat coleoptile with the sun overhead. Source: Internet

The plumule is covered with a coleoptile that forms the first leaf while the radicle is covered with a coleorhiza that connects to the primary root and adventitious roots form from the sides. Source: Internet

However, what’s likely to happen is that the coleoptile will split and leaf out underground. Source: Internet

Once the coleoptile tip nears the surface, exposure to red light within solar radiation reduces production of the growth-promoting hormone from the coleoptile tip, Nielsen explains. Source: Internet

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