Hello Everyone

I have been looking at this forum for a while and finally decided to join in with the fun. Can anyone help me with this rot problem. It has affected many of my molted leaf paphs. It almost always starts at the end of the leaf. Then it quickly moves to the base. In the past I have tried cutting off the infection and treating the plant with phyton 27 or physan or captan but with no success. Any suggestions would be great.

Thanks, Richard

Looks like rot to me. Are you keeping it too wet constantly? Is it grow indoors?

Welcome to the forum btw!

They are grown on the dry side. It was in my greenhouse then I moved them inside. I had better luck with the paphs before my greenhouse. My greenhouse is bright.

Thanks, I think this will be great to learn from the best.

:welcomesof::hi:

They are grown on the dry side. It was in my greenhouse then I moved them inside. I had better luck with the paphs before my greenhouse. My greenhouse is bright.

Probably you're growing it too dry? Sometimes that can show the same symptoms.

I've had a similar problem to that on a maudiae type like what you have pictured. I was able to save the afflicted leaves by cutting way back into good tissue and making the cut simulate the natural end to the leaf. I would sprinkle some cinnamon powder on the freshly cut surface to dry it out also. Good luck!

I agree with what Nick said. Sprinkle cinnamon on the rotted areas.

I have noticed that the symptoms are worse when it warms up

Thanks for the idea, I will try that.

Welcome to a wonderful forum! The rot could be a result from lack of air movement. Sprinkling cinnamon spice powder can help dry the affected area.

Welcome to the forum...I'm guessing fertilizer burn.

Welcome to the forum Richard! I think the more experienced growers and members gave you very good advice and I wish you good luck!

Can I put Gypsum or something on the mix to help with salt accumilation?

No harm in adding that to the mix.

Hey-

Couldn't help adding my newbie 2 cents here...I purchased an orchid online (it was a rescue) and it arrived with the same brown leaves AND no root structure. Well, of course the poor thing died.

However! That being said, I've checked some other sites and one orchid grower stated she used a systemic fungicide that eventually stopped the offending infection. She also stated it almost killed her plants so beware!!
Good luck with your paphs!

NeoOrchid

Cut all the affected parts off the plants and apply cinnamon like others have suggested.

hey welcome to the site!!!

Any suggestions for a systemic fungicide?

I had this problem with a Sukakhuli. I cut off all the affected parts down to good tissue then sealed the cuts with wood glue. I now do this when I cut any leaves to good effect.

Ed

Now thats a new idea, Thanks

I had this problem with a Sukakhuli. I cut off all the affected parts down to good tissue then sealed the cuts with wood glue. I now do this when I cut any leaves to good effect.

Ed

Isn't wood glue water soluble? Wont it wash off quickly?

It has been a few months after your post but I hope I could still advise.

I have not encountered that yet. But I looked up into some books and websites. Your plant maybe suffering from Fungal infection, caused by Glomerella cincta. The best known symptom is the gradual browning of the leave starting from the tip until the base. This gradual spreading is slow but maybe fatal if untreated.

One way to treat is to cut the affected area with sterilized cutter, apply Mancozeb in 1:500 and limit watering frequency until it gets better.