Plumeria forum: I have a callous question

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Name: Ken Ramsey
Starkville, MS (Zone 8a)
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drdawg
Jun 18, 2016 2:49 PM CST
Why do we subscribe to the notion that a plumeria has to callous for 1-2 weeks before we root it? If it goes in 100% coarse perlite, like mine do, that perlite is bone dry and will remain so. What's the difference of the cuttings sitting on a bench for two weeks or sitting in perlite for the same two weeks? Just wondered.
drdawg (Ken Ramsey) - Tropical Plants & More
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Name: Elaine
South Sarasota, Florida (Zone 9b)
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dyzzypyxxy
Jun 18, 2016 3:01 PM CST
Not much difference, Ken. From what I know about cuttings that need to callus over the key is to get the cut end to dry as fast as possible. This is to prevent the invasion of pathogens which of course stick to a wet surface much more than a dry one.

It stands to reason that an end exposed to air unimpeded will dry a little quicker than an end stuck in perlite even if it is dry. The perlite pieces might stick to the wet end, giving not as much air circulation and slower formation of the callus.

I'd be inclined to take cuttings indoors at this time of year so they could dry in the a/c environment. Much faster than outside in the humidity.
Elaine

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Name: Ken Ramsey
Starkville, MS (Zone 8a)
[url=www.tropicalplantsandmore.com]
Orchids Greenhouse Vegetable Grower Ferns Region: United States of America Hummingbirder
Composter Bromeliad Master Gardener: Mississippi Cat Lover Tropicals Plumerias
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drdawg
Jun 18, 2016 3:24 PM CST
I have gotten to where I take the cuttings into a greenhouse (really a hothouse if there ever was one) where I have fans running 24/7 (I'm curing my garlic there). I might leave those cuttings for only 24 hrs. but more likely for 48 hrs., and then into the perlite they go. Five years ago I would never have done this. I let my cuttings callous for the prescribed one week (minimum) and usually that would be two weeks. I seem to get faster rooting by getting the cuttings into the perlite more quickly. It may be my imagination. Whistling
drdawg (Ken Ramsey) - Tropical Plants & More
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If God wanted me to touch my toes, he would have put them on my knees.
Name: Karen
NM , AZ (Zone 7b)
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plantmanager
Jun 18, 2016 3:41 PM CST
I've tried this with cacti, and there seems to be no difference to me. They all root just fine. I'm thinking it would be the same with the plumeria too.
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