Plumeria forum: Black Tip Fungus?

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letitbe98765
Apr 4, 2018 12:09 PM CST
Hello Everyone,
I have a plumeria that I keep indoors and which I started from a cutting almost 2 years ago. Several weeks ago the flowering stem finally started to grow, but now all growth has stalled, including the leaves. Within the last couple of days, I've noticed black spots around the top of the flower stem and that the stem itself is developing little cracks in it (pictured below). Is this black tip fungus or something else? And if it is black tip fungus should I remove the blackened bits before treating the stem with fungicide?
Thank you!
Thumb of 2018-04-04/letitbe98765/ba1b3e

Name: Hetty
Sunny Naples, Florida (Zone 10a)
Plumerias Photo Contest Winner: 2015 Charter ATP Member I was one of the first 300 contributors to the plant database! Garden Ideas: Master Level Plant Database Moderator
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Dutchlady1
Apr 5, 2018 1:40 PM CST

Moderator

Welcome! letitbe98765
I don't see anything wrong with your plant. Black tip fungus will look much worse than that. In what conditions do you keep your plant?

letitbe98765
Apr 11, 2018 12:13 AM CST
Sorry for the delayed reply and thank you for your response.
Well some of the buds are falling off now, but overall the top is not getting blacker.
Unfortunately, mother nature cannot seem to commit to a season right now where I live, and I have to keep moving him from different rooms in my house because of temperature fluctuations. Now he's in a west facing window that gets a decent amount of sun in the afternoon, but in a room where the temperature occasionally dips below 60F during the day. Now, I water him once a week, and have been fertilizing him every other week.

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