The Orchid Forum, for the UK and Europe (previously known as The UK Orchid Forum) • View topic - Phalaenopsis stuartiana cross.
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PostPosted: Sun Mar 17, 2013 8:03 pm 
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Yesterday, at the OSGB Spring Show there were a lovely bunch of Phalaenopsis species. As many of you know, I went recently to the RGB Kew workshop/course on 'growing orchids from seed'. I have already started making a couple of crosses, as I want to be able to offer my own seedlings of both, species and primary crosses for sale on my own website. I asked a member for some pollen from her Phal stuartiana, and she gave me a flower. I have tried to cross my own stuartiana before with another plant. The seedpod went on for the full term and when I eventually sent it to be sown, I was told the seedpod had no virtally no seed inside. I have not heard back as to whether the little seed it had germinated or not, so I am not holding my breath. Anyway, here is a photo of the two flowers side by side for comparison. I have decided to call the pollen flower Phal stuartiana 'Christine', as it is the name of the lady who gave me the flower. You can see that 'Christine' is substantially larger, and fuller in form than my own plant. My flowers seem to have more markings on both the dorsal and lateral sepals, and also the bottom half of the lateral sepals seem to have a more intense yellow.I do like the shape of my plant (despite what many judges would think about it, to me it seems a closer form to the wild plants), so if this cross takes and produces seedlings it will be interesting to see what the flowers look like. I would expect a little bigger in size than mine, hopefully more markings and yellow than 'Christine'. I would love if the yellow shade would extend all the way down the lip! Francis


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PostPosted: Mon Mar 18, 2013 8:42 am 
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Interesting to see the two together; not being in anyway an expert, I doubt I would notice the differences otherwise. To be honest I prefer the colouring and shape of yours Francis, especially the shape of the lip.

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PostPosted: Mon Mar 18, 2013 9:56 am 
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Thanks Silver,

I also prefer mine, but then I might be viased, because it is my plant! :oops:

However, if I could keep shape and colour, and increase the size a little in the flowers of the seedlings, it would be awesome. However, I will have to wait and see if the flower has been pollinated successfully (I have had pods that after two or three weeks decide to abort for no reason at all), and then, more importantly, that there is viable seed, as the first attempt of pollination with this stuartiana last year failed to produce any seed.

Francis

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PostPosted: Sun Sep 15, 2013 5:36 pm 
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Hi Francis,
how is your Phal stuartiana 'Christine' cross doing? You cross so many nice plants, I honestly cannot wait to see them :) :bow-yellow:

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PostPosted: Mon Sep 16, 2013 11:27 am 
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Hello Val,

Unfortunately, this cross did not take, and the flower I pollinated fell off after only two weeks. This is the second time it has happened on my plant, so I am wondering if my Phal stuartiana is a dud plant that will not produce seed?

Francis

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PostPosted: Sat Sep 21, 2013 7:41 am 
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Like most species orchids that I've seen the flowers on Phal stuartiana do seem to show considerable variation. But I find it hard to think your plant might be a 'dud'. Not impossible of course! But I hope you keep trying Francis.

Alec


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PostPosted: Sat Sep 21, 2013 9:58 am 
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Francis,
When the professionals cross orchids, many times they make multiple crosses of the same thing, to avoid the problem you've seen.
Of course, it isn't so easy when you have a single plant, but you could afford to do maybe 3 or 4 flowers and hope that one 'takes',
Regards,
David


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