Phalaenopsis with disease

[camille1585]

Originally Posted by orchidgirl610

Regarding a systemic fungicide, I know that Physan 20 is popular but it is not available in UK. I've read that Bayer Rose Clear also works and is safe for orchids? Is this correct?

I can't seem to find it online. What's the active ingredient?

[orchidgirl610]

Triticonazole and Acetamiprid.

[orchidgirl610]

I have noticed this morning that some of the roots are now going brown. They are still firm and not soft so I don't think they are rotten. Could it be from fertiliser? Or is it likely to be progression of whatever is wrong with this orchid?







Help!

[camille1585]

Originally Posted by orchidgirl610

I have noticed this morning that some of the roots are now going brown. They are still firm and not soft so I don't think they are rotten. Could it be from fertiliser? Or is it likely to be progression of whatever is wrong with this orchid?

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Help!

A bit of a late reply, I had a busy weekend! Yes, Bayer Rose Clear should be fine for use in orchids. And Triticonazole is a systematic fungicide, so that's good! I read that they recommend treating all your orchids, as some can be asymptomatic carriers of this mystery disease and really contaminate the Phals.

As to the browning roots, that can happen from deposits in the water, or the fertiliser, or staining from the medium. It's usually harmless. If it looks like more than just staining, I'm not sure what's happening.