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 An inter-generic hyrid

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Hanazono
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PostSubject: An inter-generic hyrid   Thu Oct 29, 2015 10:04 am

I received 2 grafted Strombocactus disciformis from my friend recently.
People say S. disciformis can pollinate with Turbinicarpus alonsoi easily and the appearance of hybrid  is similar to S. disciformis SSP esperanza.
The habitat of both cacti is Guanajuato in Mexico.

I have started a small scale of the trial for making the hybrid.
Hybrid A: S. disciformis x T. alonsoi---2 flowers
Hybrid B: T. alonsoi x S. disciformis---3 flowers

I pollinated on 17th in this month.
I can see 2 fruits of the hybrid A and 1 fruit of the hybrid B currently.

The photo is flowers of S. disciformis.
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Q-cactus

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Location : North Brisbane
Registration date : 2015-07-22

PostSubject: Re: An inter-generic hyrid   Sat Oct 31, 2015 1:38 am

Very interesting project Hanazono.
It will be interesting to see how they progress, once you gerninate them.
I produced an interesting hybrid between Matucana Madisonorum and Cleistocactus Areispina, a few years ago.
I produced one fruit, with 12 seeds, six of which germinated. The resulting seedlings were surprising.
2 followed the aureispina parentage, but were thicker stemmed and a textured epidermis.
3 were intermediates, short cylindrical, thick stemmed, golden spined with textured epidermis.
1 was very special. It followed the Madisonorum parentage. Very pale green skin, heavily textured, tuberculate ribs, with long golden porect spines. Unfortunately it did not live past it's third year, despite appearing to be a srong healthy plant.
I will try to upload a few photos tomorrow, of the intermidiates.
Q-cactus
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Location : Perth, WA
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PostSubject: Re: An inter-generic hyrid   Sat Oct 31, 2015 1:41 am

So awesome, would love to see the resulting plants. If you want ver have to many seeds and need to sell some, Id be happy to help! Im very interested in these inter-generic hybrid experiments. I remember reading about attempts to cross polinat obregonia denigrii and lophophora williamsi, by Kada, but i never got to see photos of the resulting plants, or if it even worked. Well done HZ.
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Hanazono
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PostSubject: Re: An inter-generic hyrid   Sat Oct 31, 2015 10:18 am

When caput-medusae was introduced as Astrophytum in Australia, I crossed with various species including other genera in 2009.
I could get some seeds crossed with a few Astrophytum and Ferocactus.
I found caput-medusae was not Astrophytum exactly at that time.
The germination rate was very poor.

I still keep 4 grafted cacti of myriostigma x caput-medusae.
Unfortunately they are quite small, 7 cm in diameter and no flowers.
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Hanazono
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PostSubject: Re: An inter-generic hyrid   Thu Nov 12, 2015 11:08 am

2 fruits of S. disciformis x T. alonsoi were ripe and I harvested in this morning.
Seeds are very fine, like dust.
I will dry them a bit and collect seeds.
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Hanazono
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PostSubject: Re: An inter-generic hyrid   Sat Nov 14, 2015 8:49 am

I sowed seeds in 2 of 10 cm square pots yesterday.
I could not count exact number of seeds but it was more than 50 seeds.

Potting-mix: 1~2 mm zeolite
Target temperature at top soil: 30 'C
Fungicide was used.
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