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Cactii
Cactus Grower



Registered: 08/28/09
Posts: 312
Last seen: 11 years, 1 month
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Re: San Pedro - Scale, Scars or ??? [Re: grainbrain]
#14814465 - 07/23/11 05:18 PM (12 years, 6 months ago) |
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That looks like rot on the peruvianus, I'd cut it off.
-------------------- T. Pachanoi cuttings for sale! PM me for more info.
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naum



Registered: 10/09/07
Posts: 4,069
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Re: San Pedro - Scale, Scars or ??? [Re: grainbrain]
#14814597 - 07/23/11 05:56 PM (12 years, 6 months ago) |
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The purple/blackish spots are what is known as weeping black rot. Keep the pups dry and don't water the cactus heavily and it should just scab over. There's no need to cut the pups off unless it spreads and even then I've never seen black rot spread through the vascular bundle.
I recently noticed that some of my T. peruvianus also have black rot susceptible pups. The mature columns never show any signs of it so it's curious.
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grainbrain
Tribalistic

Registered: 05/11/11
Posts: 2,626
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Re: San Pedro - Scale, Scars or ??? [Re: naum]
#14816967 - 07/24/11 09:22 AM (12 years, 6 months ago) |
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Thanks guys. I'll keep an eye on it this week, but the spots are definitely getting bigger & more black than purple. It kills me, because I really liked the looks of this one, but will cut the pups if necessary.
Do you recommend leaving any of the pup material attached, or cut them off completely?
-------------------- Stop cold shocking your mycelium! Hot Spawn - Get It On 
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fngbronco
Monkey Man



Registered: 09/26/10
Posts: 2,877
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Re: San Pedro - Scale, Scars or ??? [Re: grainbrain]
#14817042 - 07/24/11 09:50 AM (12 years, 6 months ago) |
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Throw some sulphur on it. It kills fungus by cutting the oxygen off to it. Unpot the cactus and sprinkle the sulphur on and lay it on it's side. A dusting will do, but it's basically your Obi Wan if it's spreading. If you can't unpot it, dust it a second time after a couple days.
-------------------- I challenge you to challenge yourself more! When you feel complacent and ready to hang it up, challenge yourself to get over it! If you fail, don't look at it as you didn't succeed, look at it as you would a rock face you're trying to climb. Stand back, wayyyy back, and look at it and plot another path. If you can't find one, shuffle down the way a little, a little change of scenery or a view from a different angle may give you the insight you need. Anything I state is relayed information from a friend of a friend and should be viewed as completely fictitious. I do not partake in any illegal or grey-area-of-the-law activities, but do have lots of friends who may or may not. -fngbronco Pill Divider Agar Tek
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karode13
Tāne Mahuta



Registered: 05/19/05
Posts: 15,290
Loc: LV-426
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Re: San Pedro - Scale, Scars or ??? [Re: grainbrain]
#14820523 - 07/25/11 02:05 AM (12 years, 6 months ago) |
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I'd just give it more time and keep an eye on it. If it progresses or the tip goes black then I would cut it but like naum said, it's weeping black rot and those lesions should clear up on their own without spreading throughout the whole cactus. Sulphur powder wouldn't hurt it either.
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Tsew Si Tsae
Stranger
Registered: 01/27/11
Posts: 2
Last seen: 10 years, 10 months
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Re: San Pedro - Scale, Scars or ??? [Re: karode13]
#14827215 - 07/26/11 12:03 PM (12 years, 6 months ago) |
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Sorry about your P.'s. Hope all gets better. I had a pedro cutting rot from the top down and couldn't salvage it.Hope yours manages a little better. Keep us posted.
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grainbrain
Tribalistic

Registered: 05/11/11
Posts: 2,626
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Re: San Pedro - Scale, Scars or ??? [Re: Tsew Si Tsae]
#14838816 - 07/28/11 01:13 PM (12 years, 6 months ago) |
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The rot seems to have slowed or stopped entirely. Still looking for some sulphur powder locally. Thanks again for the good advice.
-------------------- Stop cold shocking your mycelium! Hot Spawn - Get It On 
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fngbronco
Monkey Man



Registered: 09/26/10
Posts: 2,877
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Re: San Pedro - Scale, Scars or ??? [Re: grainbrain]
#14838944 - 07/28/11 01:41 PM (12 years, 6 months ago) |
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Sulfur powder is generally used on roses, for leaf mildew and whatnot. Any nursery should have it.
-------------------- I challenge you to challenge yourself more! When you feel complacent and ready to hang it up, challenge yourself to get over it! If you fail, don't look at it as you didn't succeed, look at it as you would a rock face you're trying to climb. Stand back, wayyyy back, and look at it and plot another path. If you can't find one, shuffle down the way a little, a little change of scenery or a view from a different angle may give you the insight you need. Anything I state is relayed information from a friend of a friend and should be viewed as completely fictitious. I do not partake in any illegal or grey-area-of-the-law activities, but do have lots of friends who may or may not. -fngbronco Pill Divider Agar Tek
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grainbrain
Tribalistic

Registered: 05/11/11
Posts: 2,626
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Re: San Pedro - Scale, Scars or ??? [Re: fngbronco]
#14839052 - 07/28/11 02:02 PM (12 years, 6 months ago) |
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Good tip. I quickly scanned the home improvement store, but was not sure where to find it in there. Will hit a nursery soon.
-------------------- Stop cold shocking your mycelium! Hot Spawn - Get It On 
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EdBomb
Stranger


Registered: 07/22/11
Posts: 1
Last seen: 11 years, 9 months
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Re: San Pedro - Scale, Scars or ??? [Re: grainbrain]
#14840497 - 07/28/11 07:07 PM (12 years, 6 months ago) |
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Lowes sells Lilly Miller sulfur Dust in the garden section 90% sulfur
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grainbrain
Tribalistic

Registered: 05/11/11
Posts: 2,626
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Re: San Pedro - Scale, Scars or ??? [Re: EdBomb]
#15375000 - 11/15/11 05:23 PM (12 years, 2 months ago) |
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So, over the course of the summer I applied the sulfur dust twice. The rot did overcome the growing tip on both pups, but Mother Nature endured and began throwing out new pups. These photos were taken six weeks ago.
-------------------- Stop cold shocking your mycelium! Hot Spawn - Get It On 
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fngbronco
Monkey Man



Registered: 09/26/10
Posts: 2,877
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Re: San Pedro - Scale, Scars or ??? [Re: grainbrain]
#15375051 - 11/15/11 05:32 PM (12 years, 2 months ago) |
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Man, I've got a cutting I've been trying to root for a year and it's done NOTHING. Those are awesome. It's cool where it's pupping from too.
-------------------- I challenge you to challenge yourself more! When you feel complacent and ready to hang it up, challenge yourself to get over it! If you fail, don't look at it as you didn't succeed, look at it as you would a rock face you're trying to climb. Stand back, wayyyy back, and look at it and plot another path. If you can't find one, shuffle down the way a little, a little change of scenery or a view from a different angle may give you the insight you need. Anything I state is relayed information from a friend of a friend and should be viewed as completely fictitious. I do not partake in any illegal or grey-area-of-the-law activities, but do have lots of friends who may or may not. -fngbronco Pill Divider Agar Tek
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Hughesresearch
Embarking



Registered: 11/14/11
Posts: 5
Last seen: 12 years, 2 months
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Re: San Pedro - Scale, Scars or ??? [Re: fngbronco]
#15378433 - 11/16/11 09:23 AM (12 years, 2 months ago) |
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man i searched walmart and home depot to find nothing. might be seasonal, but it could also be the part of the country im in.
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