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Methods to scarify palm seeds

PalmatierMeg

By PalmatierMeg
in DISCUSSING PALM TREES WORLDWIDE

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PalmatierMeg Grand Master

PalmatierMeg

Posted
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I've been trying to find out what methods are available to scarify palm seeds that are otherwise difficult to germinate, i.e., Howea. I found an internet source that recommends rubbing each seed between pieces of sandpaper (no grit size mentioned). What methods do members of this forum use? Will you elaborate in detail? Can you provide photos? Thanks.

Meg

Palms of Victory I shall wear

Cape Coral (It's Just Paradise)
Florida
Zone 10A on the Isabelle Canal
Elevation: 15 feet

I'd like to be under the sea in an octopus' garden in the shade.

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Loxahatchee Adam Collaborator

Loxahatchee Adam

Posted
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Toenail clippers are the best! I've used them on both palm and tree seeds. It's the easiest way to get a tiny nick, which is all that's necessary to let moisture in.

With dicots, I've tried a sandpaper sheet with a sticky back on the table and it's too easy to end up opening up too large of an area and damaging one of the cotyledons.

On seeds that people also recommend acid bath or boiling to break the seed coat, I've never had a problem with the toenail clipper nick.

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PalmatierMeg Grand Master

PalmatierMeg

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Interesting. Do you nick the stem end or flower end?

Meg

Palms of Victory I shall wear

Cape Coral (It's Just Paradise)
Florida
Zone 10A on the Isabelle Canal
Elevation: 15 feet

I'd like to be under the sea in an octopus' garden in the shade.

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Trava Rising Star

Trava

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For Howea just need patience.I have just sprouted some seeds,after 2-3 years.Also I have seedlings from same seeds which sprouted in just 3-4 months.Most Important is temperature,must be around 20-24°C.

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Mandrew968 Grand Master

Mandrew968

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I am curious for the hard shelled big seeded Attalea-how do you get those things to speed up( or germinate in general)?

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  • 1 year later...
DoomsDave Grand Master

DoomsDave

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Anyone have any further thoughts?

Here's a link to an article advocating cold storage for Buteas and Braheas. Any thoughts?

http://www.palmsociety.org/members/english/chamaerops/048/048-14.shtml

 

 

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TexasColdHardyPalms Grand Master

TexasColdHardyPalms

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42 minutes ago, DoomsDave said:

Anyone have any further thoughts?

Here's a link to an article advocating cold storage for Buteas and Braheas. Any thoughts?

http://www.palmsociety.org/members/english/chamaerops/048/048-14.shtml

 

 

Butia and brahea germinate best right off the tree as long as you remove all fruit. 

After germinating 100k+ palm seed I've learned that fresh, cleaned seed reigns supreme.  So much so that ill pay more for seed that i know for a fact was just pulled from the plant. Trachycarpus is very picky and if it isnt cleaned, soaked and in the germination station asap the germination rates drop like a rock. 3-4 months can make the difference between 80% and 20%. 

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Plantasexoticas Proficient

Plantasexoticas

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OK so not a palm - but the hard seeds of camelia sinensis that I germinated I basically used a sharp kitchen knife to chip the outer hard seed coating, then a little soak and germination happened quite quickly with a bit if warmth. As mentioned above freshness makes all the difference and if its still in fruit then better as the fruit keeps the seeds fresh.

James

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