Unknown bamboo seeds: part 2

Growing bamboo seedlings again

I already started a post about growing bamboo seeds again this winter. Among many seeds I ordered online from a Chinese vendor on Aliexpress, I decided to try their bamboo seeds as well. Later I found that most of the received seeds were fake. Instead of stuff I ordered, I received all kind of weeds – perhaps I’ll write about growing those one day as well.

Spectabilis seedling on the left, Moso on the right

Bamboo seeds were true Phyllostachys seeds, the puzzle remains, though, their true ID. I ordered Phyllostachys pubescens ‘Moso’ and Phyllostachys aureosulcata ‘Spectabilis’ seeds. First one is readily available all the time, so it’s most likely correct, but the second one doesn’t flower at the moment which means it’s most likely fake. I assume that both seed packs had Moso seeds in them.

LED grow lights

Like all my latest seedlings, I’ve used full spectrum LED grow lights which proved to work very well, especially with Phyllostachys arcana ‘Luteosulcata’ seedlings. In the beginning, seedlings were slow to start and I expected that to happen with Moso seedlings. None of Moso seedlings I’ve tried growing could compete with other bamboo seedlings, they seem to be delicate and resent everything.

Darker green leaves of Moso seedlings. Newest leaves show nutrient deficiency

Later I noticed that grow lights don’t work as efficient as my previous LED chips. Other plants were also less vigorous, Drosera carnivores didn’t color-up as much as they could. Bamboo seedlings have a bit longer internodes than I remember which could be result of lower light intensity.

Yellow-ish colored seedlings

Some of the seedlings came out with some pigmentation issues. Affected seedlings were not completely albinic, yet, they were yellow or very pale green. Their leaves were delicate and didn’t stay alive long, they just shriveled and dried out. Lack of proper pigmentation resulted in extremely slow growth and much slower shooting cycle. To delay leaf loss of yellow leaved seedlings, I placed the seedlings further away from the light source and shaded them behind other plants.

The strange thing is, the seeds from both packs had different numbers of yellow seedlings. Moso pack hardly had any, while most of the Phyllostachys aureosulcata ‘Spectabilis’ wannabe seeds were sickly and yellow. Perhaps the seeds are not the same after all!

Small and pale seedlings. Larger darker green seedlings look crappy due to low light levels

Too early to ID

Seedlings are much larger now and they do well, especially considering they were neglected so far. Shoots of seedlings from both seed packs look like the Moso seedlings I’ve grown in the past. So far, they were not properly fed to show the nicely colored purple oral setae, I’ll see if they do color-up when I plant them separately. With a lot of imagination, tiny culms do seed to be a bit fuzzy, but it’s way too early to tell.

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