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Some of these posts are very old and might contain outdated information. You may wish to search for newer posts instead.
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LsDreamin
Stranger



Registered: 10/23/10
Posts: 492
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Re: Trichocereus Growers Unite! [Re: vatman]
#24632514 - 09/15/17 03:41 PM (6 years, 4 months ago) |
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Been applying it in morning and then thought maybe i should ask if it could cause more harm than good. Thank you for responses.
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vatman
I'm Vatman


Registered: 04/17/14
Posts: 1,642
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Re: Trichocereus Growers Unite! [Re: karode13]
#24632519 - 09/15/17 03:42 PM (6 years, 4 months ago) |
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Quote:
karode13 said: It shouldn't but I would do a test spot first, or use on a cactus you don't mind using as a guinea pig. Would be wise to spray late in the day and then keep out of direct light for a while. Just in case the waxy layer gets dissolved and the cactus gets sun burn.
@vatman: Those Black spots might be the cactus sorting itself out. So long as the Black spots dont go deep and are only on the surface they should clear up in time. It's just going through the motions of repair after whatever caused those scars. Excessive humidity could be causing the spots to spread. I'm not sure what your set up is but little pimple-like Black spots do arise from time to time in humid environments. I'm just waking up so my post composition might not be too great. It should improve as the caffeine starts flowing.
I think the new ones on the pup are from humidity in the room that I am working out. I will probably circulate air more to help keep humidity down. I just posted my second picture as you posted your response lol.
@ rob you have to be careful of even applying water mid day. Fertlizers also do this mid day more so than water as it can burn your plants. Cloudy days Only time we get rain is in fall and snow in winter and I don't have plants outside for spring as our nights freeze.
Edited by vatman (09/15/17 03:45 PM)
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karode13
Tāne Mahuta




Registered: 05/19/05
Posts: 15,290
Loc: LV-426
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Re: Trichocereus Growers Unite! [Re: vatman]
#24632531 - 09/15/17 03:47 PM (6 years, 4 months ago) |
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I saw you get your reply in before mine. It was a good reply too.
I would segregate that cactus from the rest. It's the leper of the group.
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vatman
I'm Vatman


Registered: 04/17/14
Posts: 1,642
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Re: Trichocereus Growers Unite! [Re: karode13]
#24632535 - 09/15/17 03:48 PM (6 years, 4 months ago) |
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What would you recommend to treat it? Unfortunately I have had it close to other cactus for awhile now. Haven't thought of it as an issue until I started reading more about mold last night. I am really pissed at this ebay seller..
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karode13
Tāne Mahuta




Registered: 05/19/05
Posts: 15,290
Loc: LV-426
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Re: Trichocereus Growers Unite! [Re: vatman]
#24632574 - 09/15/17 03:59 PM (6 years, 4 months ago) |
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That's not mould, or mold as my American friends spell it. Mould is only a surface problem and can sometimes be wiped away or smeared with a finger. Not always though and it depends on the mould.
That is a secondary infection. Either Bacterial or fungal. I would put it outdoors unpotted in a well lit, ventilated area and let those black lesions run their course. In time they should heal and form scab like what's already present.
I can't say I've had to deal with this problem and anything like this I usually keep the plant bone dry and away from other plants where water might splash off it onto other cacti. My horticultural senses indicate that this may be spread via water droplets. After a periood of time it usually clears.
Use the search engine here and type in: Weeping Black rot. It may yield more posts like this. It's popped up quite a bit over the years. At least you'd get an idea of what will happen and maybe some tips on treatment and prevention.
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vatman
I'm Vatman


Registered: 04/17/14
Posts: 1,642
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Re: Trichocereus Growers Unite! [Re: karode13]
#24632731 - 09/15/17 04:38 PM (6 years, 4 months ago) |
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Quote:
karode13 said: I saw you get your reply in before mine. It was a good reply too.
I would segregate that cactus from the rest. It's the leper of the group.
Quote:
karode13 said: That's not mould, or mold as my American friends spell it. Mould is only a surface problem and can sometimes be wiped away or smeared with a finger. Not always though and it depends on the mould.
That is a secondary infection. Either Bacterial or fungal. I would put it outdoors unpotted in a well lit, ventilated area and let those black lesions run their course. In time they should heal and form scab like what's already present.
I can't say I've had to deal with this problem and anything like this I usually keep the plant bone dry and away from other plants where water might splash off it onto other cacti. My horticultural senses indicate that this may be spread via water droplets. After a periood of time it usually clears.
Use the search engine here and type in: Weeping Black rot. It may yield more posts like this. It's popped up quite a bit over the years. At least you'd get an idea of what will happen and maybe some tips on treatment and prevention.
My followup was on the orange rust spots. Besides separating them how should I treat it? With fungicide? Started hitting them with neem oil and Copper sulfate.
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karode13
Tāne Mahuta




Registered: 05/19/05
Posts: 15,290
Loc: LV-426
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Re: Trichocereus Growers Unite! [Re: vatman]
#24633248 - 09/15/17 06:18 PM (6 years, 4 months ago) |
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Not sure as I don't get this problem and don't use fungicide on cacti. I think it's an environmental problem, likely excessive humidity.
Sorting out the problem will prevent this
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vatman
I'm Vatman


Registered: 04/17/14
Posts: 1,642
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Re: Trichocereus Growers Unite! [Re: karode13]
#24633355 - 09/15/17 06:42 PM (6 years, 4 months ago) |
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I'll get a rh meter and report back.
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phishphan2088
Gentile Larry David



Registered: 07/30/15
Posts: 352
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Re: Trichocereus Growers Unite! [Re: vatman] 1
#24634492 - 09/16/17 07:46 AM (6 years, 4 months ago) |
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    some of my freaky seedlings
-------------------- sucking at something is the first step in being kinda good at something

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Lipa Kreepa
Antisocial People Person


Registered: 09/17/09
Posts: 5,880
Loc: Where ppl are herded and ...
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Gl vatman!
And nice seedlings phishfan!
-------------------- LOVE LIFE AND LIVE IT HARD! 'Great Spirit, today, let me touch the Earth so the Earth can touch me.' "I urge you to please notice when you are happy, and exclaim or murmur or think at some point, 'If this isn't nice, I don't know what is.'" -- Vonnegut A monkey w/out his jungle is just an inmate-- lipa
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ferrel_human
stone eater



Registered: 06/26/09
Posts: 16,318
Loc: Texas
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Re: Trichocereus Growers Unite! [Re: Lipa Kreepa]
#24635549 - 09/16/17 02:53 PM (6 years, 4 months ago) |
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Quote:
Lipa Kreepa said: And nice seedlings phishfan! 
Oh yeah.
-------------------- Nature is my church and walking through it is gospel. It tells no lies and reveals all to those who look, and listen, closely. -Karode
 Looking for Mimosa tenuiflora seeds. Buttons for trade
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ferrel_human
stone eater



Registered: 06/26/09
Posts: 16,318
Loc: Texas
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Re: Trichocereus Growers Unite! [Re: ferrel_human] 2
#24635706 - 09/16/17 03:49 PM (6 years, 4 months ago) |
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TPQC cv. morel 
 
Non-pc pach i wish i cpuld pinpoint to,a more accurate clone. Very short spines.
-------------------- Nature is my church and walking through it is gospel. It tells no lies and reveals all to those who look, and listen, closely. -Karode
 Looking for Mimosa tenuiflora seeds. Buttons for trade
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vatman
I'm Vatman


Registered: 04/17/14
Posts: 1,642
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Re: Trichocereus Growers Unite! [Re: karode13]
#24636313 - 09/16/17 08:11 PM (6 years, 4 months ago) |
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Quote:
karode13 said: Not sure as I don't get this problem and don't use fungicide on cacti. I think it's an environmental problem, likely excessive humidity.
Sorting out the problem will prevent this
RH is 40%. I don't think that is excessive but going to start doing some reading.
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karode13
Tāne Mahuta




Registered: 05/19/05
Posts: 15,290
Loc: LV-426
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Re: Trichocereus Growers Unite! [Re: vatman]
#24636592 - 09/16/17 10:13 PM (6 years, 4 months ago) |
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No. That's not excessive.
Are you an indoor grower?
I really don't know what to say. I grow outdoors and from time to time Trichocereus get spots, dots and marks. They usually come and go with the seasons. If it's a pest it's usually obvious. I know tropical regions, places that get harsh Winters and some other climates makes growing these plants a chore and sometimes even a pain in the arse. I'm rambling again....
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vatman
I'm Vatman


Registered: 04/17/14
Posts: 1,642
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Re: Trichocereus Growers Unite! [Re: karode13]
#24636639 - 09/16/17 10:31 PM (6 years, 4 months ago) |
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I am currently growing in doors. Again I think it was the neem oil I applied when I had spider mites. I did burn some pere new growth doing it too.
It is almost gone. I am wondering if I should bleed the last few spots that have been stubborn.
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karode13
Tāne Mahuta




Registered: 05/19/05
Posts: 15,290
Loc: LV-426
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Re: Trichocereus Growers Unite! [Re: vatman]
#24636699 - 09/16/17 10:50 PM (6 years, 4 months ago) |
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If you think it helps why not. Opening them up, removing the gunk and drying with a fan will certainly speed up the process.
When growing indoors it only takes a small environmental problem to cause larger problems. Focus on getting your set up dialed in. It's important to vent out air at night, when lights are off. Humidity builds up if all the extraction fans are turned off or not automatic. You probably know this, just me rambling on a Sunday again...
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vatman
I'm Vatman


Registered: 04/17/14
Posts: 1,642
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Re: Trichocereus Growers Unite! [Re: karode13]
#24636742 - 09/16/17 11:04 PM (6 years, 4 months ago) |
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My area is not competently enclosed. I did start a 24/7 fan to help with keeping air cycling.
My mylar sheets keep falling of my PVC. I have been using duct tape. I and thinking what else to use.
I picked at one of the black scabs It is just the color of the scab, it is more or less recovered.
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karode13
Tāne Mahuta




Registered: 05/19/05
Posts: 15,290
Loc: LV-426
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Re: Trichocereus Growers Unite! [Re: vatman]
#24636808 - 09/16/17 11:33 PM (6 years, 4 months ago) |
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Not all duct tape is made equal. Maybe get a better quality tape.
In the past when making grow rooms I use a wooden frame to fix reflective material to. You can use things like tacks to help fix the film. Before using a tack you put a square of duct tape, which helps the tack not tear through the film, like Sloth tears through the mainsail in the goonies. Heh.
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vatman
I'm Vatman


Registered: 04/17/14
Posts: 1,642
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Re: Trichocereus Growers Unite! [Re: karode13]
#24636817 - 09/16/17 11:37 PM (6 years, 4 months ago) |
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I rent so need something I can tear down and move easily if need be. Ideally I would just be using my light to supplement window light and short days but work with what I got. The trich are not streching it seems root welling and pupping.
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musiclover420
psychonaut



Registered: 11/06/12
Posts: 19,563
Loc: PNW
Last seen: 2 years, 5 months
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Re: Trichocereus Growers Unite! [Re: vatman] 1
#24644027 - 09/19/17 02:28 PM (6 years, 4 months ago) |
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It's going to hit a low of 41 here in a day or two, what do you all think, should I try and move some cacti out of the cold? I am hoping to wait until it dips below 40.
But it's been raining a lot for a few days, it's supposed to get sunny again after the coldest night. This is going to be a rough winter 
Anyways check out this beauty:
   It's the common monstros pach, I grafted part awhile ago which crested and now the main branch of the original is cresting too! The other tip got damaged so it's gotten huge
-------------------- Don't worry about me, I've got all that I need. And I'm singing my song to the sky You know how it feels, With the breeze of the sun in your eyes. Not minding that time's passing by I've got all and more, My smile, just as before. Is all that I carry with me I talk to myself, I need nobody else. I'm lost and I'm mine, yes I'm free
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