Lauren In Tokyo

Saturday, April 12, 2008

Avocado: Stem peeks out

Last week's entry mentioned that the avocado had developed a stem. In just a week, the stem has grown enough to be plainly visible above the edge of the seed.

The stem should grow another couple weeks before sprouting its first set of leaves.

Here is a diagram of an avocado seed.

You can see the various parts which I have been describing. The cotyledons are visible to the naked eye, but they are obscured a bit by the strange growth around the hypocotyl. The rest is easily discerned.

If you look closely at this week's photo, you can see that a few root hairs have sprouted from the main root.

Lots of changes this week!

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