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 plambe
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 San Pedro identification and some grafting pics 
#12163201 - 03/08/10 09:25 AM (3 years, 3 months ago) |
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I've got 3 different cacti, all of which look to me like san pedro. Can you tell me if they really are trichocereus pachanoi or if you need more pics for identification.
Edited by plambe (03/08/10 03:57 PM)
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Cactusdan
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Re: San Pedro identification [Re: plambe]
#12163232 - 03/08/10 09:36 AM (3 years, 3 months ago) |
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1. Trichocereus spp.
2. Stenocereus griseus
2. Myrtillocactus geometrizans
I can't tell what species of Trich that is though off hand although it certainly looks pachanoid, got any more pics?
Lovely variety though, I hope you'll continue to grow it.
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 Mostly_Harmless
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Registered: 05/12/09
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Loc: England 
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Re: San Pedro identification [Re: plambe]
#12163234 - 03/08/10 09:36 AM (3 years, 3 months ago) |
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#1 looks like a pach to me, at least pachanoid to some degree anyway..
#3 is Myrtillocactus geometrizans.
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Mundus vult decipi
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drift
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Quote:
Mostly_Harmless said:
#1 looks like a pach to me, at least pachanoid to some degree anyway..
Looks more like a bridgesoid to me.
Quote:
#3 is Myrtillocactus geometrizans.
Agreed.
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Mostly_Harmless
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Re: San Pedro identification [Re: drift]
#12163423 - 03/08/10 10:59 AM (3 years, 3 months ago) |
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Yea I thought that at first but the spines looked a bit short hmm  Looking again I'd agree now, considering how few spines are at each areole.
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Mundus vult decipi
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Cactusdan
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I could see It being a bridgesii x pach hybrid.
Oh the mutts 
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HarveyWalbanger
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Re: San Pedro identification [Re: Cactusdan]
#12163799 - 03/08/10 12:36 PM (3 years, 3 months ago) |
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#1) the thick white spine-pads remind me more of T. pallarensis. Still pretty young to be guessing though, we need more adult characteristics.
see?
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Edited by HarveyWalbanger (03/08/10 12:46 PM)
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plambe
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Re: San Pedro identification [Re: Cactusdan]
#12163965 - 03/08/10 01:18 PM (3 years, 3 months ago) |
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I'll continue to grow them all.
Thanks for the identification. Could you tell me how did you identify them?
Here are some more pics of the first of my cacti:
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Mostly_Harmless
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Re: San Pedro identification [Re: plambe]
#12164057 - 03/08/10 01:35 PM (3 years, 3 months ago) |
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For #1 look at these 2 pages .edit oops.
Trichs can be tricky to ID, more so when young. Yours does show traits of both, a cross is possible but not definite. Could even be neither..  Definitely Trichocereus though.
#3 are quite unmistakable when you are more familiar.
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Mundus vult decipi
Edited by Mostly_Harmless (03/08/10 02:02 PM)
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plambe
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So #1 is most probably active then?
If I cut one of the columns in two parts and wait for the cuts to dry (for a few weeks) will I be able to root it?
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Cactusdan
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Re: San Pedro identification [Re: plambe]
#12164205 - 03/08/10 02:02 PM (3 years, 3 months ago) |
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How tall are they?
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plambe
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Re: San Pedro identification [Re: Cactusdan]
#12164337 - 03/08/10 02:32 PM (3 years, 3 months ago) |
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They are around 5-7 cm tall.
These are the cuttings I just made:
This pic shows the rest of the columns after cutting:
I decided to try grafting:
Grafting again (I made two cuttings and changed their places):
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Cactusdan
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Re: San Pedro identification [Re: plambe]
#12164351 - 03/08/10 02:34 PM (3 years, 3 months ago) |
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Haha interesting indeed.
Do you know how grafting works?
Did you align the vascular rings correctly?
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plambe
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Re: San Pedro identification [Re: Cactusdan]
#12164447 - 03/08/10 02:51 PM (3 years, 3 months ago) |
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I have never grafted before (except if grafting is a process applied not only to cacti, but to other plants - in this case when I was less than ten years old I did graft some fruit trees like plums).
As much as I know, I should not align the cutting perfectly, thus giving its tissues (vascular rings maybe is a better word for that, I don't know...) a better chance of contacting the corresponding tissues in at least a few points. I don't know if I explained that right. I also don't know if I'm right.
I'd be happy to read your comments on the pics and any advice would be appreciated.
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Cactusdan
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Re: San Pedro identification [Re: plambe]
#12164526 - 03/08/10 03:08 PM (3 years, 3 months ago) |
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The vascular ring is the circle in the center of the cactus when cut in half.
When placed on the rootstock it should be offset to look similar to a venn diagram
Also you probably want to keep pressure on them with rubber bands or electrical tapeso that a wind/movement/etc will not break the bond.
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plambe
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Re: San Pedro identification [Re: Cactusdan]
#12164661 - 03/08/10 03:37 PM (3 years, 3 months ago) |
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Well I've done it like in the pic's far right.
I'm not using rubber band for now, as my cacti are in my living room and there is no wind and almost no chance for the scions to fall from the rootstock.
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Mostly_Harmless
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Re: San Pedro identification [Re: plambe]
#12164685 - 03/08/10 03:43 PM (3 years, 3 months ago) |
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You dont want gaps between scion and root stock, air could be harbouring nasties, and as they callous they will draw back. A constant pressure is good..
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Mundus vult decipi
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felixhigh
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Re: San Pedro identification [Re: plambe]
#12165044 - 03/08/10 04:43 PM (3 years, 3 months ago) |
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I don't wanna be pessimist but it doesnt looks like its gonna work.
I bet there are a lot of air bubbles between the scions and the stocks since you're using absolutely no attachments nor humidity tents.
Good luck slaughtering your cacti.
FH
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Cactusdan
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Re: San Pedro identification [Re: felixhigh]
#12165058 - 03/08/10 04:45 PM (3 years, 3 months ago) |
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Agreed.
We'll see I guess 
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felixhigh
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Re: San Pedro identification [Re: Cactusdan]
#12165068 - 03/08/10 04:46 PM (3 years, 3 months ago) |
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Its just some constructive criticism. 
FH
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