Published at the Chat 'n Chew Cafe, April 2000

Photo Gallery:
Visible Germination Events in Corn

R.L. (Bob) Nielsen
Agronomy Dept., Purdue Univ.
West Lafayette, IN 47907-1150
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The three visible indicators of successful germination in corn are the appearances of the 1) radicle root, 2) plumule and 3) lateral seminal roots. These images illustrate these events for several kernels of corn at three or four days after planting with warm soil temperatures.

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Image 1:

Appearance of radicle root 3 days after planting (DAP).
Image 2:

Appearance of radicle root 3 DAP (different plant).
Image 3:

Appearance of plumule and lateral seminal roots 4 DAP.
Image 4:

Swelling of plumule area 4 DAP (different plant).
Image 5:

Same as Image 4, except with seed coat removed to reveal plumule and lateral seminal roots.
Image 6:

Appearance of plumule, lateral seminal roots and radicle root 4 DAP (different plant).
Image 7:

All three indicators of successful germination in corn.
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© 2000, Purdue University
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