The Tropical Fruit Forum

I don't know what the cost difference is between using metal halide vs LED.  I really don't care what it is, as I'm after the best growth, not cost.  People probably spend 100 times more money than any additional cost of lighting on soda drinks, or alcohol.  In my estimation it is of no concern.

TFN  I was thinking the same thing.  It does look like insect damage.

Laaz, many years ago, due to your recommendation I started using Miracle Grow Garden soil.  I also add large size perlite to it.   You have never steered me wrong ever since I have known you,  I'll plant up some citrus and pineapples in the 50/50 Garden soil and turface and give it a try.  Thanks for the recommendation.  Once again it is great having you on the forum.  Take care my friend.

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Texas A&M AgriLife Research:
Potential breakthrough could help against citrus greening
As citrus greening continues to devastate Florida's citrus crop, researchers think they've discovered a way to gain new insights into the disease, which, in turn, could help the industry finally defeat it.

So far, researchers have been unable to isolate the bacteria that causes greening; to study the disease researchers have been forced to grow trees, then study their roots. But now, Texas A&M AgriLife Research is reporting promise in rapidly culturing and reproducing the pathogens and microbes that cause the disease in the laboratory.

The breakthrough, announced last week, could be a game-changer, industry officials said. While it doesn't cure the disease in and of itself, the research could allow the industry to "more efficiently and cost effectively find a workable defense against fastidious pathogens and microbes like citrus greening.”

Any progress is welcome news in the fight against greening, which is spread by tiny Asian citrus psyllid and has decimated the state's citrus crop. According to eu.tcpalm.com, it has lost more than 60 percent of its production since the 2003-04 growing seaso  (Fruit Pages)

Meiwa is my favorite kumquat.  I enjoy eating them directly off the tree as I pass by,

https://www.growingproduce.com/citrus/insect-disease-update/can-citrus-greening-beaten-biological-approach/

Nitrogen is available at most all pH levels, from as high as 9.4 all the way down to 4.  Nitrogen's greatest availability is between a pH of 8.5 and5.5.

Luak , that would work also.  Are the trees turning color yet in Eureka Springs?

Today is September 14th,  if Zephian cuts out the branches affected by citrus leaf miner, there will be no regrowth because it is to late in the year.  By doing so he will only be losing any food production by the tree, that the effected branches will still provide.  The next available growth for a citrus tree at this time of year will be next spring.  At that time Zephian's tree will branch out wither it has been or not been attacked by citrus leaf miner.  Of course Zephian can do what ever he wishes with his tree, but my advice would to leave the tree alone.

Although the leaves are damaged, they still have quite a bit of green areas remaining. Do not prune off leaves damaged by citrus leafminer since undamaged areas of leaves continue to produce food for the tree.    Next year apply Spinosad (you can find information concerning Spinosad on the Internet) it will protect the tree from  leaf miner damage. You wrote two years ago the tree had a lesser amount damage, this year it had much more damage, next year it could have even for damage.

Is this tree oozing any gummy substances?

At Cherylake groves'

Traditionally Citrus trees have been planted at around 100 trees per acre.  Today new groves on Cherrylake’s farm are planted at a minimum of 300 trees per acre with plans for a new grove this fall planted at 1,000 trees per acre.