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 Is this going to be a big problem?

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SneakyCuttlefish
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PostSubject: Is this going to be a big problem?   Thu Aug 01, 2013 8:15 pm

So I had a sulcorebutia rauschii grafted to a hylo. It was going really well until it started yellowing and looking ill. I thought it might be some fungus so i treated it with sulfur and copper but nothing changed. I decided to bust it off the graft and I discovered a section had been eaten/rotted away. I found some tiny little white slater type bugs and the damaged area almost looks like wood borers going through a tree.
I managed to bust of a heap of pups off that don't appear to look damaged but they are small so I don't know if they will survive.

The hell is it and are the rest of my plants at risk?

Yellowing


Damaged scion


Evil death bugs.
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Navajoa
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PostSubject: Re: Is this going to be a big problem?   Thu Aug 01, 2013 8:25 pm

Sure that's not a meally bug ?
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Darren
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PostSubject: Re: Is this going to be a big problem?   Thu Aug 01, 2013 8:29 pm

Yeah I reckon mealy bug and spider mite damage.
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PostSubject: Re: Is this going to be a big problem?   Fri Aug 02, 2013 9:09 am

Not so sure bout the spider mite damage as none of my other plants have any issues. As I understand it, spider mites spread like herpes in a brothel. Maybe the skin started to discolor from lack of nutrients and water as the main head was being eaten.

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cryptocarpa
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PostSubject: Re: Is this going to be a big problem?   Fri Aug 02, 2013 9:45 am

Yeh I reckon it's mites too. Technically not spider mites but false spider mites AKA brevipalpus(important detail for life cycle etc). They like several species in particular Turbs, Lophs, digitostigma, rebutia etc. Chances are they are on other plants of yours and you haven't seen em yet. This species is very tiny and can be very difficult to see, I use a 10x handlense to scout for them.
I remember reading a while back that we are blessed to have our own unique species of Brevipalpus that infest cacti....aren't we lucky!
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PostSubject: Re: Is this going to be a big problem?   Fri Aug 02, 2013 10:18 am

Shit!!!! I have only lost 2 plants this year. The other was a crested rebutia heliosa. These plants have been a long way away from my lophs but right next to my turbs. How far/fast can they spread? Whats the best way to treat them??

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PostSubject: Re: Is this going to be a big problem?   Thu Aug 15, 2013 3:04 pm

I decided to tackle the issue head on so I bought an insecticidal soap called Hitman. Never noticed them before, but the spray must have chased mealys and the odd mite out of hiding. That arvo three of my plants had them dying all over the place. Looks like I caught it before it got nasty. Just have to re-spray a few times over next few weeks. Thanks for the help everyone.

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Darren
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PostSubject: Re: Is this going to be a big problem?   Thu Aug 15, 2013 10:15 pm

They have always hammered my rebutia... I have managed to grow out the damage on some. At the moment I have a lophophora that has severe damage due to total neglect. Because of the weather I have pulled it inside and growing it in water with a bit of fertilizer to push it along. I have no idea if this will work Smile I just like mucking around. I'm starting to see some green coming through after a week but it is early days
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PostSubject: Re: Is this going to be a big problem?   Fri Aug 16, 2013 7:34 am

ouch looks like spider mite damage i would bin it.Sad 
Darren if you after another i can help you out.Very Happy 
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