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Drildo

Skin Disease, please help?

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This is a fresh cut of bridgesii 'Jeans', one of two received in a recent order. Neither have rooted yet but this is occurring on one of the two specimens.
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I have previously purchased two same cuts of this jeans bridge long ago that have rooted and are growing well, no dramas (not that this means anything).

I thought it might of been sun damage, as other unrooted pieces purchased and planted at the same time have really lightened up in colour on the side in direct sunlight.
So I moved this Jeans into a full shade position and the skin patch seems to be growing, even out out of the sun entirely. It is not bruised either, the cactus was packed well and arrived without this blemish.

Just for visual comparison below is an example of a cut that had been BASHED in transit, then the mushy bruised flesh dried and healed scarred looking like this:
BruceDamage1.thumb.jpg.b72da8ce5ae0013a6829c593412ff65d.jpg
 

But the above healed bruising is not the same as what is occurring on the Jeans. What could this issue be, is it my first bout of sunburn, and the damage is delayed still yet to level out even in the shade?
Sunburn is a more even spread isn't it? This shit is growing it seems too, well it has grown a tiny bit bigger since being in the shade the last half week.

Thanks in advance peeps  -  omg! everything is pupping too with the change of seasons  -  I love cacti!  -  This is my first year collecting.

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BruceDamage1.thumb.jpg.b72da8ce5ae0013a6829c593412ff65d.jpg

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BruceDamage1.thumb.jpg.b72da8ce5ae0013a6829c593412ff65d.jpg

Edited by Skellum
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I'd say it's fungal, the orange colour indicates this. Get some systemic fungicide. 

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I have wettable sulfur and dusting sulfur on hand. They both say fungicide/miticide.
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Would either of these products work? If not what is a 'Systemic Fungicide' can u shoot me some names of products, or how exactly is one even applied?

Mixing 30grams of the wettable into 10litre watering can and water the the plant its telling me, not sure if that will do anything?

Does powder puffing dusting sulfur onto dry cacti skin do anything?
My dusting sulfur was intended for dusting on fresh open cuts as far as I'm aware.

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Edited by Skellum
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Yeah, sulfur works only topically by contact. Something like Yates "anti rot" which contains phosphorus acid is probably your best bet. I don't want to be pessimistic but once a plant gets a fungal infection inside the prognosis is not great ime.

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Fucking terrible!  It arrived in pristine condition too, so this is something it contracted here at my place....
I will look for these Yates brand products when I am in town at Bunnings next. For the mean time I think I will like maybe make a paste with the wettable sulfur and rub it on the affected spot.
Or maybe i will get a mister bottle and mist the spot so its damp then powder puff the damp spot so the dusting sulfur sticks to and covers the dry area.

Should I use a really fine grit sand paper to rough up the surface of the effected area before applying the mister & puff of dusting sulfur / wettable paste?
Or is scratching and roughing up a cacti (affected area) to fix a skin disorder an absolutely stupid idea?  A part of me is wanting to open the surface up so the treatment has a better chance of working.

Thanks for offering your advice Glaukus, your often one of the first on the scene to reply to my gardening questions. Much appreciated, you knowledgeable mongrel!

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I had some dragon fruit get orange spots all are gone mine didn't have the white behind it though.

Dam i hate when u post pic's your backyard makes me jealous ;)

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Sulfur won't kill it. like mentioned you need a systemic fungicide , Some fungal problems can not be treated but if you use the sulfur and the systemic spray it will control outbreaks..   

If you don't want to use systemic sprays best bet is it use copper based sprays and isolate the sick ones..

 

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I've put a sulfur paste over the area... When I'm in town tomorrow i will buy this yates "anti rot" product with phosphorus acid, then get home and wipe the sulfur paste/crust off and apply this yates anti-rot.
Is there a 'Systemic Fungicide' you recommend?  Will this yates anti-rot be good or is there something better? Also the word 'anti-rot' indicates that it might be rotten...
Just to make it clear it is in NO WAY soft and mushy at all (rot), its scarred, and harder than healthy material, but the scar seems to be growing, and is dotting up with the orange spots now too.
Not not all fungal issues immediately result in a soft decay of flesh aye?

When I go to places like Bunnings and ask them for a  "Systemic Fungicide"  or  "Wettable Sulfur"  they start to panic, like they should know what/where its located, but is clear they don't.
They should just tell me, "if you are able to read, then please spend a few hours attempting to locate it yourself reading every product label in 'these 3 isles' cause if we stock it at all it should be around there"  -  Thx for your help...

So a systemic fungicide is a spray applied to the area, not like a feed mixed into the water you water them with?"

Thx smithy, do u think this cut is a goner?

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Normally a systemic treatment is absorbed through the foliage, but cacti need to take it up through the roots as they don't have stomata. 

I don't think your cut is beyond salvation, but it needs to go to the ICU.

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Go to a good nursery and get your product. Bunnings aren't   really specialist  Anti rot is good and works well. It's a liquid spray.   The'' scaring'' is pretty common with TB's . TBM's are a good one for that black ooze that later turns to dry flaking shit.   I would be worried about the orange dotting on top of the scaring.

You have two fugal problems.    If it was mine, I would cut off the unmarked tip and throw the rest and treat it. This is my opinion though.

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1 hour ago, smithy said:

Go to a good nursery and get your product. Bunnings aren't   really specialist

Bunnings aren't the best you're right, but I find ill go to the nursery to get educated, then actually find that same product at Bunnings... A lot of the nursery's don't really know how to deal with Column Cactus issues either but I dont spend heaps of time in nursery's, maybe I'm yet to find one or talk to anyone onto it. Its a shame the staff there aren't cluey an bunnos either. They employ ex-industry men for the paint & electrical sections... It'd be good to have a cluey horto person at the gardening section...

 

1 hour ago, smithy said:

If it was mine, I would cut off the unmarked tip and throw the rest and treat it. This is my opinion though.

Fucking SPEWING! will more than half the length  -  this spot has come on quick too, from probably nothing to this size in about 2-3 weeks (since potting it up).

So, save the tip and try to treat and eventually achieve a propagation stump out of the base aye?   Dang  :(

 

1 hour ago, Glaukus said:

Normally a systemic treatment is absorbed through the foliage, but cacti need to take it up through the roots as they don't have stomata. 

I don't think your cut is beyond salvation, but it needs to go to the ICU.

No roots yet to absorb the treatment G and this funky patch has come on and grown to this size rapidly...  Do you think the ICU treatment this she needs is 'decapitation' as smithy recommends above?

 

 

Appreciate the advice from everyone.

If I've come across as turd at all toward you in the past smithy, sorry for that. I am most definitely a shit, I try to keep it in check though.

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1 hour ago, smithy said:

Anti rot is good and works well. It's a liquid spray.

1 hour ago, Glaukus said:

Normally a systemic treatment is absorbed through the foliage, but cacti need to take it up through the roots as they don't have stomata.

 

 

This liquid spray works well for you smithy, even though foliar feeding doesn't work (according to glaukus) with cactus?

Was it a coincidence then that surface spraying actually worked then or could Glaukus be mistaken...

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No worries,

I know of big cactus growers using yates anti rot to treat fungal problems and yes I have had good results using this and also using yates liquid copper.. 

 

 

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if it wasnt soft underneath, it looks like poisoning. ive had the same thing from just using too much product. a lot of products cause plants to sunburn easily. the data sheets often say never to spray during the day and the company has no liability if all the leaves drop off your plants just before flowering time. a stray drop of sulphur concentrate has done that to one of my cacti.

most "dual action" miticide + fungicide products are just weakly fungicidal(guess why mites live in humid conditions and what they eat). truth is, mites are really hard to kill. some mites just dont respond to anything. anything that kills them tends to be extremely toxic to humans so eradicating mites centres around eradicating their food source.

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