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voyager 01-19-2019 01:24 AM

Control of Thrips?
 
My Dwarf and Tall Hawaiian Apple [Brazilian] fruit have shown thrip damage to the fruit for all 6 of the years I have grown them.
They do not appear to affect the fruit other than visual appearance.

I would like to be able to produce fruit with nice clear undamaged skins.
How can I do this?

Richard 01-19-2019 02:06 AM

Re: Control of Thrips?
 
Thrips cannot be controlled with a mild insecticide. You'll need something which lists thrips under "pests controlled". Be sure to apply at the thrip dosage listed in the directions for use. I use Leverage 360.

Nicolas Naranja 01-19-2019 01:22 PM

Re: Control of Thrips?
 
Quote:

Originally Posted by voyager (Post 321450)
My Dwarf and Tall Hawaiian Apple [Brazilian] fruit have shown thrip damage to the fruit for all 6 of the years I have grown them.
They do not appear to affect the fruit other than visual appearance.

I would like to be able to produce fruit with nice clear undamaged skins.
How can I do this?

This is the method I use on bananas. Deflower and then put in an agribon bag. You can use spinosad to control thrips as well, but it's an expensive option.

https://www.ctahr.hawaii.edu/sustain...n%20Banana.pdf

Nicolas Naranja 01-19-2019 01:47 PM

Re: Control of Thrips?
 

















Akula 01-19-2019 02:07 PM

Re: Control of Thrips?
 
Hey Nick, what weight of frost cloth do you use for your bags? Thanks!

Nicolas Naranja 01-19-2019 07:34 PM

Re: Control of Thrips?
 
Quote:

Originally Posted by Akula (Post 321459)
Hey Nick, what weight of frost cloth do you use for your bags? Thanks!


https://www.amazon.com/Agribon-AG-19...62579277&psc=1

beam2050 01-20-2019 10:14 AM

Re: Control of Thrips?
 
looks like and sounds like septic fabric. septic fabric comes in a 4 ft. roll

Johnsk9 01-20-2019 11:16 AM

Re: Control of Thrips?
 
Quote:

Originally Posted by beam2050 (Post 321469)
looks like and sounds like septic fabric. septic fabric comes in a 4 ft. roll

It is very very fine material.I bought a roll on eBay

voyager 03-17-2019 02:37 PM

Re: Control of Thrips?
 
Sorry for not coming back on this sooner.
The aftermath of the eruption has kept me busy trying to bring some order back into life.
I have been busy with other projects, but am still thinking and looking around about this off and on.
Just not coming up with good solid sounding and feeling controls for the thripes.

I do not want to use pesticides, ... period.

I have seen the blue bags used on fruit growing in median strips in Hilo, not recently, though.
I have only been able to find blue bag suppliers in Australia.
Not gonna do that.

I have seen the use of white garbage bags recommended.
I'm a bit leery of the heavier weight plastic and possible effects.

I've seen it recommended that for thripe control the bags need to be applied just after the flower begins developing.

They also say that holes need to be punched into the bags to allow the fruit to breath.
I find it hard to believe that will keep thripes off the fruit.

The bunches on the dwarf trees are 8 to 10' off the ground.
The talls are 12 to 15' off the ground.
I just harvested a bunch off a dwarf this morning.
Got 4 more coming up in the next several months.
Then, There are about 10 bunches on the talls that will be ready from a few weeks to 5 to 6 months.
Bagging the bunches at those heights look to be a PIA, especially the talls.

I'm trying to enhance fruit set on all our fruit trees: Banana, avo, citrus, longan, etc.
Been laying cardboard under the drip lines and covering it with wood chips to hold grass and weed growth down.
After the serious hit all the trees took from the SOx gasses, they're beginning to rebound nicely.
The bananas have 2 to 3 years in their new locations and are becoming nicely established.
They're growing the tallest and producing the largest bunches I've seen them do yet.
It looks a if we'll have our first banana surplus this coming summer, same for the avos and citrus.

We've finally got honeybees and hummingbird moths back pollinating the trees again.
There may be life post eruption.


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