Scottish Rock Garden Club Forum

Seedy Subjects! => Grow From Seed => Topic started by: Gabriela on November 09, 2015, 02:35:50 PM

Title: Linnaea borealis
Post by: Gabriela on November 09, 2015, 02:35:50 PM

I remember seeing a thread showing wonderful images of Linnaea but I don't know where it is and maybe this is a good place to discuss the seeds aspect.
I wonder how many are aware of its self-incompatibility problem and as a result the low seed setting? I just patiently sorted out about 400 fruits - resulting in +/- 75 seeds  ???
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I think many people are sowing the dry fruits as 'seeds' and hence report very low germination rates. In Canada and US it is not of conservation concern but the low seed rate and loss of habitat may well in the future change the situation.
Here's a link of interest (from many others): http://www.kew.org/press/wp_twinflower.html  (http://www.kew.org/press/wp_twinflower.html)

Title: Re: Linnaea borealis
Post by: Maggi Young on November 09, 2015, 02:44:12 PM

Good point there, Gabriela.

Here is the main thread about Linnaea  http://www.srgc.net/forum/index.php?topic=12672.0 (http://www.srgc.net/forum/index.php?topic=12672.0)

(I've copied Gabriela's post there) :)

Title: Re: Linnaea borealis
Post by: ian mcdonald on November 09, 2015, 10:42:22 PM

I think two different plants are needed for fertilization of Linnaea.

Title: Re: Linnaea borealis
Post by: Gabriela on November 09, 2015, 11:07:40 PM

Quote from: ian mcdonald on November 09, 2015, 10:42:22 PM

I think two different plants are needed for fertilization of Linnaea.

I mentioned it is self-incompatible, which also means that requires cross-pollination to produce viable seeds. To be correct, the 'two different plants' need to be of a different genotype. Two different plants from the same clonal patch are still incompatible.

Title: Re: Linnaea borealis
Post by: Gabriela on November 10, 2015, 02:29:04 PM

Quote from: Maggi Young on November 09, 2015, 02:44:12 PM

Good point there, Gabriela.

Here is the main thread about Linnaea  http://www.srgc.net/forum/index.php?topic=12672.0 (http://www.srgc.net/forum/index.php?topic=12672.0)

(I've copied Gabriela's post there) :)

Thanks Maggi! It didn't cross my mind to look in the Alpines section.

Title: Re: Linnaea borealis
Post by: ian mcdonald on November 10, 2015, 03:28:32 PM

Thanks gabriela, that is what I meant. Your plant may be ssp. americana.

Title: Re: Linnaea borealis
Post by: Gabriela on November 25, 2015, 04:16:34 PM

Quote from: ian mcdonald on November 10, 2015, 03:28:32 PM

Thanks gabriela, that is what I meant. Your plant may be ssp. americana.

Sorry I didn't see this in time. 'My' Linnaea is for sure ssp. borealis. Seeds were coll. in Karelian Isthums region (St. Petersburg, Russia) from a population with particular large individuals. I miss to collect seeds here, the closest place they grow is about 5 hours drive....