Author Topic: Preventing sunburn of trunks or branches avocados and dragon fruit (Read 4771 times)

CTMIAMI · « **on:** February 12, 2017, 09:51:14 AM »

When we do canopy change the avocado we decapitate the tree and the trunk is exposed to the sun. I have tried white wash with no so good results. Also new small trees get cooked in the field

Also dragon fruit specially at this time of the year do get sun burn and the fungal issues come right after the sun burn.

Has any one tried these products? Purshade and Surround by Nova Source http://novasource.com/ or any other produts to prevent UV damage?

Cookie Monster · « **Reply #1 on:** February 12, 2017, 01:52:38 PM »

Very interesting. I have the same problem. Every time I do a heavy pruning, I have to cover with branches to prevent sunburn, and it's a pain in the neck. Any idea how much Purshade is?

Jct · « **Reply #2 on:** February 12, 2017, 02:36:04 PM »

I have not used that, just shade cloth on smaller bushes. For my dragonfruit, I do plan on attaching some poles to my dragonfruit stand so I can hang the shade cloth. Probably too much a hassle for larger trees though.

Jack, Nipomo · « **Reply #3 on:** February 12, 2017, 03:25:31 PM »

Carlos, I wonder what you are using for "whitewash" on your trees. While not as sun intensive here in central coast of CA, I use white water-based latex paint applied heavily in two coats. The white latex is reflective, but also puts a rubberized seal on the tree branches. It will last several years and stretches a bit as the limb grows. Buds do penetrate it. As I said however, our sun is quite different than what you are exposed to.

CTMIAMI · « **Reply #4 on:** February 12, 2017, 05:53:05 PM »

The tree in the picture along with many others got a latex paint pure with a commercial gun and still you see the damage.
See, when you do canopy change you get two sun "hits" One when you decapitate the tree, second then you remove the water shoots to keep 4-5 shoot to graft on. .
All of that takes place in our winter. You get days of full sun not a cloud in the sky. like today, High UV cooking the trees. Also my dragons suffer.

shot · « **Reply #5 on:** February 12, 2017, 07:02:05 PM »

How fast after cutting did you spray paint ,was it very hot and sunny I feel the burn happens very fast,its all most seems like as soon as you cut one tree that you should paint it then move on to the next tree. I had this same problem.I have used both those products but not for stumped trees surround= kaolin clay and pureshade=calcium cabonate .I don't feel they last long enough maybe mix heavy nufilm17?

bigalxx15 · « **Reply #6 on:** February 12, 2017, 08:24:27 PM »

Hi Carlos,
There's a guy in California that has a YouTube channel under the name of IV Organic. He sells a 3-in-1 tree guard product to protect fruit trees from sunburn, insects, and is a pruning sealer. Check out the following YouTube video. https://youtu.be/B-QLNCIFo5o

CTMIAMI · « **Reply #7 on:** February 13, 2017, 07:44:11 PM »

I do have that product, a gallon of it. I'm planing to do about 30 trees this summer. Home to use 3-4 different products to see what's best and more economical. That 3-1 is very expensive.

Cookie Monster · « **Reply #8 on:** February 13, 2017, 08:05:37 PM »

How long does Surround last?

Quote from: shot on February 12, 2017, 07:02:05 PM

How fast after cutting did you spray paint ,was it very hot and sunny I feel the burn happens very fast,its all most seems like as soon as you cut one tree that you should paint it then move on to the next tree. I had this same problem.I have used both those products but not for stumped trees surround= kaolin clay and pureshade=calcium cabonate .I don't feel they last long enough maybe mix heavy nufilm17?

Cookie Monster · « **Reply #9 on:** February 13, 2017, 08:07:09 PM »

This is interesting. They are claiming that it lasts 12 months.

Quote from: bigalxx15 on February 12, 2017, 08:24:27 PM

Hi Carlos,
There's a guy in California that has a YouTube channel under the name of IV Organic. He sells a 3-in-1 tree guard product to protect fruit trees from sunburn, insects, and is a pruning sealer. Check out the following YouTube video. https://youtu.be/B-QLNCIFo5o

shot · « **Reply #10 on:** February 13, 2017, 11:45:01 PM »

I doubt that it will work better than latex paint. In the guys youtube video you can barely see residue on the tree one year after! coolseal ? calcium carbonate+ latex

CTMIAMI · « **Reply #11 on:** February 14, 2017, 11:39:00 AM »

Latex paint alone does very little for me. I have been planning to do several test:
The 3-1 product.
Latex paint with Kaolin (Surround)
LAtex Paint with Ceramic Paint Additive several products out there

shot · « **Reply #12 on:** February 14, 2017, 01:05:34 PM »

Try some white roof coating any brand they have a lot of solids in them,it would be a good experiment?

Mark in Texas · « **Reply #13 on:** February 15, 2017, 11:01:46 AM »

I use Surround, 40# bag. Cheap from Crop Protection Services. Several apps also works well against hard to control pests like stinkbugs or flat footed bugs.

CTMIAMI · « **Reply #14 on:** February 15, 2017, 03:32:29 PM »

Surround definitely is going to get tried. To what crop you apply it?

alangr088 · « **Reply #15 on:** April 07, 2019, 03:59:38 PM »

Quote from: CTMIAMI on February 14, 2017, 11:39:00 AM

Latex paint alone does very little for me. I have been planning to do several test:
The 3-1 product.
Latex paint with Kaolin (Surround)
LAtex Paint with Ceramic Paint Additive several products out there

Any updates to your testing?

EvilFruit · « **Reply #16 on:** April 07, 2019, 04:14:35 PM »

I use a water based paint with Copper oxychloride for my mangoes and other fruit trees.

spaugh · « **Reply #17 on:** April 07, 2019, 04:16:28 PM »

Latex paint seems good on trunks. Are people putting surround on avocado foliage? I experimwnted a bit witb some and find it doesnt come off easily. Not sure I really want it on there for many months at a time.

alangr088 · « **Reply #18 on:** April 07, 2019, 04:51:15 PM »

Debating if I should make that investment for the IV organics vs the white latex paint...iv organics is pricey.

gozp · « **Reply #19 on:** April 07, 2019, 05:06:52 PM »

Quote from: alangr088 on April 07, 2019, 04:51:15 PM

Debating if I should make that investment for the IV organics vs the white latex paint...iv organics is pricey.

I tried this product specifically for rodents chewing the trunk & it worked for couple months..after that wasnt as effective..yes iv organics is pricey.

Yorgos · « **Reply #20 on:** April 10, 2019, 05:19:11 PM »

Quote from: Mark in Texas on February 15, 2017, 11:01:46 AM

I use Surround, 40# bag. Cheap from Crop Protection Services. Several apps also works well against hard to control pests like stinkbugs or flat footed bugs.

I have tried Surround on my peaches for the curculio and it worked, except the stuff doesn't come of the fuzz of the peach when you pick the peach. Traded one problem for another. It also seemed to deter squirrels from taking the immature peaches.

I will have to try on my pomegranates for the stink/leaf-footed bugs.

Mark in Texas · « **Reply #21 on:** April 25, 2019, 10:38:08 AM »

Quote from: Yorgos on April 10, 2019, 05:19:11 PM

I will have to try on my pomegranates for the stink/leaf-footed bugs.

Permethrin will nail them. Make sure you add a surfactant to your spray. I have 2 large pomegranate trees that were loaded and it worked great.

SeaWalnut · « **Reply #22 on:** April 25, 2019, 10:51:33 AM »

When painting with a brush the paint adheres a lot better than when you spray the paint .There is a dust film on the trees bark that gets mixed in the paint with the brush .

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Author Topic: Preventing sunburn of trunks or branches avocados and dragon fruit (Read 4771 times)