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Any experts on Fusarium in CIDPs

Justin

By Justin
in DISCUSSING PALM TREES WORLDWIDE

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Justin Veteran

Justin

Posted
Posted

I haven't trimmed any green or yellow fronds since I purchased the palm 6-7 years ago. The palm has looked good the whole time, but this month I noticed a couple of fronds higher up the crown that are brown. Now fortunately, they appear to be "evenly" brown, as opposed to just one side. That being said, they could have browned half at a time and I just didn't notice. Also fortunately, its just two fronds halfway up the crown - all of the ones at the bottom seem to be okay.

So I want to get an "expert" out here to take a look, and tell me if I'm looking at Fusarium, some other disease, or just a couple of bad fronds.

Any recommendations?

Resident of Puerto de la Cruz, Tenerife, San Diego, CA and Pahoa, HI.  Former garden in Vista, CA.  Garden Photos

freakypalmguy Grand Master

freakypalmguy

Posted
Posted

Hi Justin, Len (LJG) is well versed in Fusarium and he lives close to you.

Matt

Matt in Temecula, CA

Hot and dry in the summer, cold with light frost in the winter. Halfway between the desert and ocean

Jim in Los Altos Grand Master

Jim in Los Altos

Posted
Posted

Fusarium wilt starts at the bottom leaves on one side of the palm and works its way to the top and eventually completely around the tree. I wouldn't worry about that since your CIDP has brown fronds at the top. I had a similar thing happen to my CIDP two years ago (four dead fronds at the top of the crown) but it grew out fine and is healthy today. Don't know what caused it though other than the fact that I've observed squirrels chewing on petioles in the past.

Jim in Los Altos, CA  SF Bay Area 37.34N- 122.13W- 190' above sea level

zone 10a/9b

sunset zone 16

300+ palms, 90+ species in the ground

Las Palmas Design

Facebook Page

Las Palmas Design & Associates

Elegant Homes and Gardens

LJG Grand Master

LJG

Posted
Posted

Not an "expert", just a well read nerd that spent time and money trying to save a tree from it once.

Post a pic. Doesn't sound like FW. You will know soon enough because the spread happens fast once started.

Len

Vista, CA (Zone 10a)

Shadowridge Area

"Show me your garden and I shall tell you what you are."

-- Alfred Austin

Justin Veteran

Justin

Posted
  • Author
Posted

I'll try to snap a photo this evening before the sun sets.

Resident of Puerto de la Cruz, Tenerife, San Diego, CA and Pahoa, HI.  Former garden in Vista, CA.  Garden Photos

Justin Veteran

Justin

Posted
  • Author
Posted

:(

Just got home - new discolored frond (since yesterday), and discolored on only one side. So what are my options? Also - any ideas on how my palm contracted this? It hasn't been trimmed in years, and never on any live fronds.

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  • Upvote 1

Resident of Puerto de la Cruz, Tenerife, San Diego, CA and Pahoa, HI.  Former garden in Vista, CA.  Garden Photos

BS Man about Palms Grand Master

BS Man about Palms

Posted
Posted

From what I heard, not good. But I defer to Len.

Zone 10a at best after 2007 AND 2013, on SW facing hill, 1 1/2 miles from coast in Oceanside, CA. 30-98 degrees, and 45-80deg. about 95% of the time.

"The great workman of nature is time."   ,  "Genius is nothing but a great aptitude for patience."

-George-Louis Leclerc de Buffon-

I do some experiments and learning in my garden with palms so you don't have to experience the pain! Look at my old threads to find various observations and tips!

LJG Grand Master

LJG

Posted
Posted

That's FW. Sorry. The spread happens fast this time of year. I have never seen a palm saved. If you want to try, you can contact Fallbrook Ag Labs. (760) 728-4828

I tried these guys but my tree was 50% dead by the time they injected it. They are trying experimental treatments using similar fungicides used to fight Fusarium in Avocados. Plus they mix in their own secret sauce. They stated they have saved many palms. There is no cure right now however. What the treatment does is slow spread so the palm has time to flush and grow. So you will need to have the tree injected a few times a year. They drill in and inject. Not sure I am sold here, but if you really want to do all you can, then that is the only option I know of. I called UF and also talked to someone at Irvine a few years back. Both said it was a death sentence.

It is a species specific fungus, so you while you can never put another CIDP in that area, you can do some other Phoenix. While it might get FW, it will not kill it.

One thing I have noticed is that when people's palms get FW that have not cut fronds, or pineappled in 2 years or more, and the palm is isolated from another other CIDPs, the infected palm is almost always a female like yours. The hunch is rats and birds bring it to the tree because they are attracted to the fruit.

Len

Vista, CA (Zone 10a)

Shadowridge Area

"Show me your garden and I shall tell you what you are."

-- Alfred Austin

BS Man about Palms Grand Master

BS Man about Palms

Posted
Posted
:(

Zone 10a at best after 2007 AND 2013, on SW facing hill, 1 1/2 miles from coast in Oceanside, CA. 30-98 degrees, and 45-80deg. about 95% of the time.

"The great workman of nature is time."   ,  "Genius is nothing but a great aptitude for patience."

-George-Louis Leclerc de Buffon-

I do some experiments and learning in my garden with palms so you don't have to experience the pain! Look at my old threads to find various observations and tips!

Justin Veteran

Justin

Posted
  • Author
Posted

Well, this certainly sucks. At least it wasn't the centerpiece of my back palm garden - oh, wait, nevermind.

I'll call the Fallbrook Ag Labs people today, and get started on at least slowing the spread of the disease. Maybe if the tree can make it a couple years, someone can find a cure in the interim.

Resident of Puerto de la Cruz, Tenerife, San Diego, CA and Pahoa, HI.  Former garden in Vista, CA.  Garden Photos

freakypalmguy Grand Master

freakypalmguy

Posted
Posted

Bummer Justin, hopefully they can do something for it.

I had also heard that leaf cutters can spread the disease. Not sure if grasshoppers fall into the leaf cutter category, but they love my Phoenix palms. It worries me every time I see them, as there are a bunch of trees with fusarium in Temecula.

Good luck,

Matt

Matt in Temecula, CA

Hot and dry in the summer, cold with light frost in the winter. Halfway between the desert and ocean

MattyB Grand Master

MattyB

Posted
Posted

Bummer. I wish you the best Justin!

Matt Bradford

"Manambe Lavaka"

Spring Valley, CA (8.5 miles inland from San Diego Bay)

10B on the hill (635 ft. elevation)

9B in the canyon (520 ft. elevation)

Kris Grand Master

Kris

Posted
Posted

Iam very sorry to see those beautifully grown Cidp falling sick....how old is she ?

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love conquers all..

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Justin Veteran

Justin

Posted
  • Author
Posted

I transplanted it in 2003 or 2004, when it was roughly this same size. I have no idea how old it was when I got it.

Resident of Puerto de la Cruz, Tenerife, San Diego, CA and Pahoa, HI.  Former garden in Vista, CA.  Garden Photos

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