Phalaenopsis Orchids with small, stumpy new leaves – Possible cause and fix
Today we return to our strange story of the Phalaenopsis with short, stumpy new leaves, which seem to appear more and more often in our collections.
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I talked about this issue and my suspicion here https://youtu.be/onkVb_8-1dw that some orchids are treated with growth regulators and look different than they should.
This issue appeared some years ago, here is a forum post http://www.orchidboard.com/community/pests-and-diseases/59702-phalaenopsis-leaves.html and a video https://youtu.be/YCjw3GD0AOs that show more advanced cases.
So let’s start from the beginning and learn what plant hormones are https://en.wikipedia.org/wiki/Plant_hormone and what do they do http://www.untamedscience.com/biology/plants/plant-growth-hormones/
From all of these, the ABA hormone can affect the spaces in between nodes, among others. Here is more about it https://www.maximumyield.com/10-facts-on-abscisic-acid/2/3432
My suspicion is that these orchids are treated with some ABA containing substances to reduce the length of the spikes and give a more compact look. What we are seeing afterwards is the side effects on the stem. The Singolo is a big orchid, with a short stem, is this genetic, or induced?
The solution? ABA antagonist, or gibberilic acid. So to experiment we go!
#MissOrchidGirl #Orchids
Music:
Ikson – Bloom
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LECA – Pokon or IKEA
Bark mix NoName + Coconut coir IKEA
Sphagnum Moss – Spagmoss from Besgrow http://bit.ly/2LSZjEx
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Orchid Focus Bloom (when I need something low in N)
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Lechuza self watering pots https://amzn.to/2wIUWq2
Decorative Tolumnia pots http://bit.ly/2NbOfY4 (affiliate link)
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Orvibo WiFi Smart Plugs https://amzn.to/2MLSR7T
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Lerberg and Mulig from IKEA
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