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Messages - CTMIAMI

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1
May experience is that some times it the fruit stays too long on the tree the flavor begins to deteriorate.  I can thing of a Guatemalan seedling that stays in the tree to March but is best in December.

Also my experience on fruit that turns color is to pick before that color change takes place because at that point post harvest pathogens take hold and is harder to eat clean fruit.   As it is with some of the Hass varieties in South Florida if you wait to pick after the turn color usually I can not eat them from anthracnose or similar.

To add to the confusion , every year is different by a week or two and by unknown variables e.i. This year my early Donis were delicious, very enjoyable.  This year my Pollock did not set any fruit,,,,,, and so on.

2
Nice little report on air-layer your avocado, I've got a duke-7 avo I'm trying to air layer right now has been about 3 months still waiting for roots to appear ::) 8)
Scott let me know how that goes. I have tried a few times 3-4  without success. Now I have a few clonal Duke 7 that are growing surprisingly well in south Florida so I would like to clone to use as root stock for the tropical varieties we grow. 

3
Tropical Fruit Discussion / Re: ‘Day’ Avocado and Oro Negro
« on: May 31, 2020, 03:32:50 PM »
After having the tree for some years now I can say it produces 40/50% of what a Monroe would. I also agree with John on the flavor.

5
Look it can just be changing to new climate and suffering from the trip. Just monitor. I would have kept them from too much sun for a few days and I would have not transplanted for a few days but is done. Don't over water and monitor.  The jaboticaba looks very nice. Who is the seller?

6
Looks like you may be able to grow HASS there, Give it a try. Saw a nice temperature range  with winter lows of 2 °C (35.6 °F) 

7
Tropical Fruit Discussion / Re: Avocado tree in containers question
« on: May 19, 2020, 03:12:23 PM »
I have a Pinkerton that does not grow a lot in Homestead, Florida. Gets sunburned a lot also. It has stayed under 18 feet without pruning for a few years. The Pinkerton is on top a two other varieties that tends to keep the tree small.
Rootstock-Mexicola-Pinkerton,  My is on Waldin-Beta- Pinkerton  or any other combination  can keep trees small

8
FOR THOSE COMMERCIAL AVOCADO  IN PLACES WHERE THE DISEASE HAS NOT REACHED, CHILE, PERU, NEW ZEALAND, AUSTRALIA, MEXICO, CALIFORNIA GET FAMILIAR WITH THE CHALLENGES THIS DISEASE PRESENT.
Current status of laurel wilt research. Wednesday May 20 2020, 9:00-11:30

https://ufl.zoom.us/j/275226269?pwd=bGpOVEYrZGFQOFVlVzNxVnp5ZlVIQT09

Participants
INTRODUCTION AND WELCOME

9:00 Jiri Hulcr: Short introduction to the Bark Beetle Mycobiome group (5 minutes)
MOLECULAR BIOLOGY

Jeff Rollins: Studying R. lauricola pathogenesis through comparative genomics and transcriptomics
Josh Konkol: GFP strain, colonization of the host plant by R. lauricola
Qiang Wang: An efficient CRISPR/Cas9 gene knock-out system in R. lauricola
Ross A. Joseph: Generation of multiple R. lauricola reporter strains and their use in colonization and infection studies
BIOLOGY

Daniel Carrillo: Laurel wilt vectors in avocado
Octavio Menocal Sandoval: Research proposal, Xyleborus bispinatus: A case of symbiont flexibility?
Kirsten Stelinski: Investigating the role of the Xyleborus microbial community in R. lauricola transmission
ECOLOGY,

Denita Hadziabdic: Laurel wilt advancing North
Robin Choudhury: LW dispatch from the Texas front
Andrés Lira Noriega: Modelling for risk assessment of laurel wilt in Mexico
Jason Smith: Redbay heritable resistance, rebounding populations and re-thinking transmission
DETECTION

Caterina Villari: Rapid in-field detection of R. lauricola from host and vector tissues using LAMP
Julian Mendel and DeEtta (Dee) Mills: Detector dogs
Pedro Parra Giraldo: Culture-independent Laurel Wilt diagnosis in avocado groves
MANAGEMENT

Romina Gazis: Testing “Out-Of-The-Box” Ideas to Control Laurel Wilt of Avocado
José Luis Olivares-Romero: Synthesis of novel insecticides for the management of ambrosia beetles
Jonathan Crane: Laurel wilt status in avocado groves and grower-initiated control testing
Xavier Martini and Derrick Connover: Push-pull system to protect redbay and avocado against Laurel Wilt

9
Tropical Fruit Discussion / Re: Jabo deficiency
« on: March 10, 2020, 05:16:15 PM »
Chandra what is the PH of your soil?    I just started with a Jabo in my grove for personal consumption love the fruit  I have seen some in my area loaded with fruit so I got encouraged.

My best to you

10
Tropical Fruit Discussion / Re: Need help with my dragonfruit!
« on: March 10, 2020, 05:12:30 PM »
Did you spray anything?

11
Tropical Fruit Discussion / Re: Relative flowering times for avocados?
« on: March 10, 2020, 05:01:35 PM »
You are more tropical than us in Florida but you seem to be higher in elevation. My Oro Negro is beginning to open flowers now.  Monroe starting opening about 10 days ago.

12
Tropical Fruit Discussion / Re: Relative flowering times for avocados?
« on: March 05, 2020, 05:32:09 PM »
Your location would help

13
Tropical Fruit Discussion / Re: mango graft flowers and won't leaf
« on: February 19, 2020, 02:54:43 PM »
My grafted Nam Doc Mai mango I planted May 2018 from 1 gallon pot is only 10 inches tall and both winters flowered big, but it doesn't want to leaf out.  It's healthy obviously to flower like that.  So are there defective scions sometimes that will never grow vegetatively and only want to flower?  Do I need to replace this tree?
If possible can you post a clear picture of it?

14
I dont understand what its trying to do. is it just for cuttings ?

Making avocado clones

15
Tropical Fruit Discussion / Re: Mexicola avocado taste and types
« on: December 19, 2019, 01:42:14 PM »
Agree on the Mexicola Grande much larger fruit better tree as well. Lost it during Irma.
It is very difficult for a small operation even more for an individual to buy clones for grafting. I hope some day one of the Florida Tissue culture companies will start.

Seedlings of Duke 7 look promising for Florida. The tree grows well here clearly likes it. From reading some articles there is consistency in the seedlings and do have some root rot resistance. Has la large seed for a Mexican, good for early grafting. Reported by some articles cold hardy to 22 degrees It is not patented as Dusa, which happens to be a seedling of Duke 7.   Who wants more!!!!!!!

There are other Mexican varieties that produce and grow well in Florida that will be cold resistant, good for boundary pushers north of Broward County.

16
Tropical Fruit Discussion / Re: Mexicola avocado taste and types
« on: December 15, 2019, 12:10:19 PM »
Only tip I can give you on root stock is that in Florida we need to start planting avocados with clonal root stocks.
I had always been intrigued as to why we used Waldin. I have look for research to indicate any special quality, nothing different from any other good growing large-seed west indies. Whenever I plant Waldin seeds they don't germinate evenly and some sprout but don't grow much. Seems like a very variable seedling.  Recently I ran into a scientist at UF who indicated that even as a clone Waldin is very irregular in growing habits and look.  Finally in my quest for an answer I spoke with a 3rd generation commercial avocado grower in Homestead who basically said "the only reason we used Waldin is because it is the first WI avocado that planting it in late August early September is ready for grafting when bud wood is at its prime".

From my perspective Lula Seems a bit more regular germination and evenness of the seedling.

The issue with Waldin seedlings is just that,  irregularity. For example I have Donie trees on Waldin. There are some trees that consistently catch my attention  for being low producers. Trees next to them produce well. Same nutrition , same irrigation, same location and same soil. The only variable is the root stock.

We have a lot of tissue companies in Florida that make and sell liners. Is about time one of then start producing avocado clones of some of the better clonal used in the world like Duke 7 and Dusa. The right rootstock can increase production by a lot, 30% I have seen numbers of 30% and better roots with root rot resistance. Also you can order the lines to time them for the precise time you are going to graft.

17
Tropical Fruit Discussion / Re: Air Layering with Water
« on: December 13, 2019, 07:12:36 AM »
Looks good, I heard Zutano and all Mexicans do AL better than other 2 races. I need to try it again.  Did you used only honey?

18
Tropical Fruit Discussion / Re: Mexicola avocado taste and types
« on: December 13, 2019, 07:09:36 AM »
People in California say the Mexicola is a large tree but in Homestead,  like seems in Pine Island FL,  the tree keeps small too.  Mine is on a Waldin root stock, then a Beta was micro grafted on and the Beta was top worked with the Mexicola. The Beta is a small tree.   But  this tree does not grow more than 8 FT and has been like that for years.
I have been wondering for years if the Mexicola as a rootstock will produce small trees in Florida. Finally this year I have time and started grafting some local varieties on Mexicola.

19
There are several brand of these cloning machines. I think they are oriented for weed growers.  I wonder if anyone has tred them for Mango, Avocado etc.


20
Tropical Fruit Discussion / Re: Air Layering with Water
« on: December 03, 2019, 01:12:27 PM »
I need to go back to drawing board. I'm going to try cuttings in  in soil in a piece of Aloe Vera and then bag the cuttings to keep humid.

Chris seems that you did the air layer in a green mature branch?

21
Tropical Fruit Discussion / Re: Air Layering with Water
« on: December 01, 2019, 09:28:21 AM »
Interesting videos Felipe. I wonder if anyone has tried this on Avocado or other tropical fruits.
I have tried  to do clones in Avocado with regular air layering with out success.

22
Tropical Fruit Discussion / Re: Avocado Seedling - Variegated Leaves
« on: November 29, 2019, 04:05:55 PM »
Carlos, since you are the expert avocado grower, I have another question for you on different leaf colors of avocados.
Have you seen varieties with leaf color that is orange/red like this one. This is a seedling Hawaiian from a fruit I purchased over 15 yrs ago while on vacation. The fruit was different since the outside skin of the avocado was gold/yellow. You can see the 2 fruits next to the yellow papaya I purchased. The seedling has normal green fruit but some of the branches has this interesting orange/red color leaves.

Yes I have seen it, not at strong as your pictures but some varieties start like that, some more than others. Eventually all turn green, would be unusual if yours stays that color.




23
Tropical Fruit Discussion / Re: Utuado Avocado fruit
« on: November 28, 2019, 02:55:00 PM »
UTADO   One tree is growing at South Coast Research Station, Irvine, CA. field 46, row 57, tree #16. (J.R.Frink 1998) Origin, Puerto Rico; Race, GxWI; Flowering group, B (Lahav & Gazit)

Apparently the tree is found here in CA at the S. Coast Research Station, slightly different spelling.
Utuado is a city in Puerto Rico where the cultivar was first identified.

24
Tropical Fruit Discussion / Re: Utuado Avocado fruit
« on: November 28, 2019, 02:53:48 PM »
The video is private
I think its fixed now. I had not used YouTube for a while and they have added a lot of new steps. Thanks for letting me know

25
Tropical Fruit Discussion / Utuado Avocado fruit
« on: November 28, 2019, 01:38:15 PM »
https://youtu.be/Vx0olkMdZM4

I have seen this fruit tree in a couple of  nurseries. Wanted to do a short review on it and possibly answer any questions.

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