Coleoptiles are cylindrical organs that ensheath the first leaf and shoot apex in grass seedlings . They help in the emergence of the first leaf (and shoot apex) by protecting it during its passage through the soil. On emergence, the first leaf breaks through the coleoptile tip.
II The Coleoptile of Rice Plants. The rice coleoptile is the small and ephemeral organ appearing first from imbibed rice seeds (Fig. 1A). |
Coleoptiles is the first leaf of a monocotyledon which forms a protective sheath about the plumule. These are cylindrical structures that ensheath the shoot ... |
A growing coleoptile that is illuminated unilaterally does grow towards the light source. This behaviour is common among plants and is known as phototropism. C. |
15 авг. 2020 г. · Coleoptile elongation is thus a strategy of the rice plant to avoid submergence stress and is referred to as the “snorkel effect” [18]. After ... |
A protective sheath that covers the young shoot of the embryo in plants of the grass family. It bursts open when the first leaves develop. |
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