Phalaenopsis stem propagation

[chemist]

Hi!
question to those who does stem prop.
I have few phals , they doing ok, at least i think so. So recently i saw something yellow poping out of between the leaves.

Does anybody encountered that? what is it?

[PaphMadMan]

In that position it could possibly be a flower bud. When you stem prop you're starting with tissue that only existed in the first place to help support and produce flowers. You're trying to convince it otherwise. It may be confused for a while. It could also be the start of a shoot that just hasn't greened up yet. Either way it takes time to re-establish a normal vegetative growth pattern. I'd say it looks healthy and should eventually make up its mind to go along with you. I've seen some pretty bizarre things pop up in tissue culture - a structure or growth pattern that us totally unexpected. You've put this plant into a totally foreign environment. You can't blame it for trying to assert its independence. Wouldn't you?

[Azizan]

You can't blame it for trying to assert its independence.

I think I agree with Kirk. It will grow into whatever it wants. I don't think there is 100% guarantee that it will be a keiki. But the picture looks like a keiki though except for the yellowish flower spike-like thingy.

[chemist]

Thank you Kirk!
I thought it might be flower bud but was not sure.
I hope it will continue to grow

[Azizan]

Be careful, if you want to induce a plantlet/keiki you might want to pay attention to the temperature. Cool temperature (22/18 °C) might induce flower spike instead of plantlet/keiki as reported here >>https://peerj.com/articles/2017/
Good luck! Please keep on updating. I would love to see the results.

[chemist]

Oh, my temp is much higher now than that ! Lol
I thought if you do it in flask with that special medium its guarantee to get keiki.
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[Dorsetman]

Oh, my temp is much higher now than that ! Lol
I thought if you do it in flask with that special medium its guarantee to get keiki.
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I don't think you can use the word guarantee !. A friend of mine started specialising in phal stem props, maybe 20 or 30 years ago, before phals were sold at every shop in town ; after a few years I persuaded him to give a talk to a local Orchid Society , and one of the facts he came out with, was that in his first year he had a success rate in single figures - like 7% ; five years later it was up to 75% , but he had no idea what he was doing different - just practice. But it never got to 100% I think - but it has to be remembered that the stems are not always taken at the ideal time or under ideal conditions , which would be a factor.

[raybark]

It is hormones in the plant that make the floral/vegetative/root "decision", so whatever is in the medium will have a major influence, and greatly reduce the "chance" aspect.

Svetlana, that's great! Keep experimenting.

[PaphMadMan]

It is hormones in the plant that make the floral/vegetative/root "decision", so whatever is in the medium will have a major influence, and greatly reduce the "chance" aspect.

Svetlana, that's great! Keep experimenting.

Yes, but there is a certain aspect of predetermination, the hormone balance at the time a particular tissue was initiated, so there can be a considerable lag based on the hormone balance then, not what it is today. A spike can be initiated from several weeks to many months before it is visible, and hormone changes in the mean time may not stop it.

[Holdenei]

Hi. I also noticed, on one of the phalaen 3-4 stem-like keikis poping from under the bark. I need to uncover the bark to see where it comes from.
Will post a pic later.
Oh, time, time, time...
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