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Messages - Blake Branch

Pages: [1]
1
Citrus General Discussion / Re: Florida & Greening
« on: February 13, 2015, 10:42:14 PM »
Jeff, I know of some groves in central Florida that were ripped out and replanted in blueberries.

2
Citrus General Discussion / Re: Just A Reminder
« on: February 13, 2015, 10:38:07 PM »
My Cara Cara Pink Navel orange, Bearss Lime, Valentine Pummelo and Valencia are all in heavy bloom and flushing,  Because of this I have been picking up discarded leaves off the ground every morning.  As stated above this type of leaf drop is normal.  While picking up the leaves I notice that the ants are out and about. What is a good ant bait? - Millet

I use bifenthrin granules to control fire ants.  We don't have crazy ants, so I don't know how it wold work for them.  For shipping plants out of state or country, we dip roots of plants in a bifenthrin solution.

3
Everything that I've read says that they are planning on keeping the newly acquired groves in citrus.  The groves that they purchased were fairly clean, as far as HLB is concerned, and will increase their production to 10 million pounds per year.  Hopefully this type of acquisition can bring more stability in the juice market than what is has been for the past couple of years.

The current CEO wants to keep the business moving forward in the citrus industry, just like Ben Hill Griffin Jr. was doing with it when Alico got into the citrus business back in the 1960's. 

My only concern is that the majority shares of Alico stock were sold by Griffin Jr's heirs to investors from New York last year. If the farms do begin to decline from greening, the majority stockholders may want to sell the land as residential real estate, instead of replanting the groves. 

4
They seem like varieties I'd like to try.  They need to find better names for them, though.

UF will probably have a different name for the selections once enough are grown to produce large volumes of fruit.  They will trademark the names for more control (compared to patents), and for marketing purposes.

5
Citrus General Discussion / Re: Day 1
« on: November 20, 2014, 12:16:03 PM »
I use L.B. White heaters.  I lucked up and bought 5 210,000 btu heaters from a tropical foliage nursery down in Apopka, FL for $900 total.  The nursery was going out of business and selling everything. 

The primary reason for high mounts on heaters is to keep the heater out of the way, and provide an unabstructed area for the heat to be blown across the house.  I built a mount for the heater to sit on in the greenhouse.  It sits about 18 inches off the ground. There are 4 horizontal air flow fans in the greenhouse that are angled downward to blow the rising warm air down onto the plants.  The two on the right side blow to the back of the greenhouse and the two on the left blow to the front.  This helps to keep a more even temperature across the area.

As a side note:  Most of the weather services were close on Tuesday night.  We got down to 22.  All of the weather services , including NOAA, were off for my area last night.  The forecast was for 29 and we got down to 23.  I was late turning on my water in the field, and some of the microsprinklers had already stopped up with ice.


6
Citrus General Discussion / Re: Day 1
« on: November 19, 2014, 06:40:08 PM »
Millet,

What temperature do you set your thermostat in your greenhouse?

7
Citrus General Discussion / Re: Citrus fertilizer
« on: November 19, 2014, 06:38:14 PM »
Do you test your own soil (I have the little NPK kit that I bought at the nursey), or do you take it to a lab?

I send my samples off to a private lab.  Most labs, both private and university, will send recommendations based on what crop you identify on the sample bag.  If the plants are already planted, it would be a good idea to send a leaf sample along with the soil sample. The leaves should be washed under running water if you have been spraying foliar fertilizers.  Fertilizer that was not absorbed can cause errors in the analysis.

8
Citrus General Discussion / Re: Citrus fertilizer
« on: November 17, 2014, 01:08:14 AM »
I would take a soil sample first, before choosing a fertilizer.  This will determine what you actually need. 

The primary reason for choosing a ratio like a 5-1-3 is due to how each of the 3 primary nutrients act in the soil.  Phosphorus has a tendency to build up in the soil, while nitrogen and potassium will leach out quickly in areas of high rainfall.  Leaching is especially true in soils that have a low cation exchange capacity (CEC) and/or low organic matter, like the sand ridges in central Florida.  In the southeastern U.S, unless you live in clay hills or in a flatwoods swamp, then your native soil will usually have a low CEC.  Other factors like soil pH can also have an effect on how the soil holds onto nutrients. 

9
Citrus General Discussion / Re: Spinach May Save Florida's Citrus Crop
« on: November 17, 2014, 12:44:17 AM »
The University of Florida has developed a few improved grapes that have genes from other grapes inserted into them for increased disease resistance.  They have had a hard time getting the USDA to allow them to release these vine outside of a quarantined area, and they were using plants from the same genus.  Since the issue of greening could be considered an epidemic, like the Papaya Ringspot Virus, maybe it will be allowed to go through without any problems.

10
Citrus General Discussion / Re: Yes, The Grapefruit Diet Actually Works
« on: October 31, 2014, 11:18:50 PM »
Explanation of the grapefruit-drug interactions:
http://en.m.wikipedia.org/wiki/Grapefruit%E2%80%93drug_interactions

11
Citrus General Discussion / Re: Pests
« on: October 26, 2014, 11:13:00 PM »
It could be mealy bugs or some type of soft scale.  Post a picture if possible.

12
I thought it was the mint flavor.  Peppermint candy doesn't contain sodium laureth sulfate, but will cause a similar reaction.

13
Thanks for that link.  If those pictures of the groves being sprayed were taken today, OSHA would be trying to get involved.  No masks or cabs back then, and the chemicals that they were using then are probably banned by now.  The govt always takes away the good stuff.

14
The bacteria can be found in potted trees as well.  I've been to retail nurseries and found trees showing the symptoms.  This was back before the greening issue was receiving major publicity.

15
Cold Hardy Citrus / Re: Winter 2014 damage
« on: September 20, 2014, 11:54:59 PM »
I've heard about what Mr. Hartzog is doing.  It sounds impressive.  There's a guy, about 15 miles southwest of me, that planted 10 acres of Owari two winters ago.  This past winter he tried several different methods of freeze protection; 17 GPA microsprinklers, bed sheets with a single incandescent bulb near the graft, bed sheets alone, and no protection at all.  He didn't lose a single tree.  His coldest temperature was around 22.  He has planted pines on the north, west, and east sides; where I only have thinned out trees to the west of my place.  One of the nights my weather station showed sustained 7-12 mile an hour winds, with gusts up to 18, that kept shifting from the northwest to northeast throughout the night.  If I would have been running the same amount of water as he was, then I would have probably lost everything.  The next planting that I'm going to attempt will have planted windbreaks around those three sides, and the citrus trees will have a lower rate of water running on them. 

16
If you do use a phosphorous acid product, do not use copper with it.  The phosphorous acid will act as a carrier and make the copper and other metals absorb into the plant at toxic levels.  On a positive note, I've used phosphorous acid as a substitute for Ridomil Gold for phytophora control in other crops.  I apply it through the drip irrigation system, where Ridomil Gold has to be applied to the soil with a sprayer.  The cost per acre is also substantially less, $12 per acre compared to $130 per acre for Ridomil.

17
Cold Hardy Citrus / Re: Winter 2014 damage
« on: September 19, 2014, 10:47:38 PM »
I live on the border of zone 8A and 8B near the Okefenokee swamp in southeast Georgia.  Our Temps were below freezing for three nights in a row, with a solid two day period of below freezing temperatures.  The lowest we got was around 15 F.  I have microsprinklers on each tree that put out 30 gallons per hour each.  The deflector on them is a 120 degree pattern that sprays on the trees from the northwest side of the trees.  I did not lose any trees, bit did get severe damage in the tops of the trees.  All of my trees are less than two years old, and the most cold sensitive are the Hamlin orange and the Ruby Red grapefruit trees.

18
Citrus General Discussion / Re: Citrus Budding Review
« on: September 19, 2014, 10:26:33 PM »
I've started substituting sodium dicloroisocyanurate (NaDCC) for the sodium hypochlorite. It's the active ingredient of Comet cleaner and is used in swimming pools also.  Compared to bleach, it has just as much free chlorine as the sodium hypochlorite mix but it works at a pH that is much safer for plant tissues and for bare human hands (6.0-6.5 PH compared to 8.0-8.5 for bleach).  You can find it in some pool supply stores and laboratory suppliers.  I buy mine from a lab supply company and it only takes 3 grams of NaDCC per liter of water to get the same concentration of free chlorine as a 10% bleach solution.

19
Citrus General Discussion / Re: Its In The Tent
« on: September 19, 2014, 10:10:42 PM »
I have a friend in Florida that said that work is being done to try to treat the root system by injecting steam around the tree.  They are hoping that by doing both treatments simultaneously that the disease can be eradicated from the entire tree.

20
This made me laugh!  It reminds me of an issue we have with a drosophila fruit fly in blueberries.  There are products that can be applied for the fly, but having to spray twice a week (at $70/acre/application) or more if it rains leaves the grower broke.  Especially since the crops are already struggling to make even 1/2 the yield of a conventional field.

21
Before I wrap my trees trunks during the winter, I coat them with a mix of Kocide 3000 and latex paint (1/2 lb of product per quart of paint).  I haven't lost a tree yet from any type of phytophora complex.  Kocide 3000 is a copper hydroxide product.  Just be careful if you live in an area with low humidity or if you use phosphite products, as both can cause injury from copper applications.

22
It looks like gummosis caused by phytophora. You can treat it with copper based fungicides.

http://www.ipm.ucdavis.edu/PMG/r107100411.html

23
Citrus General Discussion / Re: What Is A Good Ant Poison/Bate?
« on: August 16, 2014, 11:20:32 PM »
Bifenthrin(Talstar, Upstar, Brigade) is great for ants.  It's one of the only chemicals that is allowed for use on plants shipped out of the fire ant quarantine zone.  It comes as a granular product as well as in a liquid formulation.  It is fast, persistent at higher rates, relatively safe for humans, and fairly inexpensive in the ag labeled form.  Another product that I've also used is diazinon.  It works for mound treatments, but is a little more toxic to humans than bifenthrin.

24
Citrus General Discussion / Re: Citrus Breeding Center Opens
« on: July 08, 2014, 08:58:22 AM »
This facility is not technically a breeding facility, but will be used to clean up new releases that will go out to nurseries.  They will accomplish this by testing the material for insects and diseases, clean up the plants with heat indexing, increase the clean shoot tips with micropropagation (tissue culture), and release the increased material to the nurseries.

As a size comparison, this facility consists of a 5,000 sq ft lab and office space connected to 20,000 sq ft of greenhouses (0.57 acre), where Phillip Rucks Nursery has a 19,200 sq ft lab and office space connected to 210,125 sq ft of greenhouses (5.26 acres).


25
Citrus Buy, Sell, & Trade / Re: Wanted: Gold Nugget Mandarin
« on: May 05, 2014, 10:33:46 PM »
Millet,  what was the depth of the 4" pot you got from Logee's greenhouse?

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