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Messages - Millet

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Citrus General Discussion / Re: My Citrus trees
« on: Today at 12:00:23 PM »
Louis your becoming a nursery.

I'm not an expert on thermal therapy, but from the pictures that I've seen, the foliage, trunk and some of the ground around the tree are completely covered.  If all parts of the tree needs to be covered and heated I'm not sure. Anyway, I wish the very best  future for your pummelo.

Citrus General Discussion / Re: The Fragrance of Citrus in Bloom
« on: April 20, 2018, 09:48:14 PM »
Argentina: 60-70% of Okitsu and Satsuma citrus lost due to drought

A foliar spray of low-biuret urea after the tree's early drop phase will produce larger fruit and higher quality fruit.

With a citrus tree (or any fruit tree) you get what you sew. 

Citrus General Discussion / Re: The Fragrance of Citrus in Bloom
« on: April 18, 2018, 10:44:08 AM »
Sylvain , then basically Okitsu is not much more than another Miyagawa.

Meyer lemon is among the easiest  citrus cultivar to root.

Citrus General Discussion / Re: Florida Citrus Got Bad News Today
« on: April 17, 2018, 05:10:10 PM »
Yes the spinach gene splicing does work.  The main concern is that the spinach gene splicing is a GMO.  Personally I don't care about GMO, but many in the public do.   What this thread's topic is saying is that the actual HLB disease  is far from being cured at any time in the near future, even with the many millions of dollars spent on it so far.

Citrus General Discussion / Re: The Fragrance of Citrus in Bloom
« on: April 17, 2018, 03:22:14 PM »
Being  that the cross is nucellar seedling of Miyagawa from a controlled pollination with Poncirus trifoliata I'm surprised that it has such a sweet and pleasant taste due to the P.  trifoliate parentage.

A citrus cutting has the highest stored energy prior to the onset of flushing and flowering.  After the flush most all of the energy was  depleted creating the flush.

The writer makes assumptions that are not  necessarily true.  ex. " the stick of fig wood doesn't "know" that it sits in any material at all. The stick is blind, deaf, and dumb"   

 "everything non-essential might simply complicate the process and reduce the probability of success"   I assume the writers list of no essential items means all  items commonly used by the rooting industry.  My reply: I think the proper word in this sentence is helps and not complicate.

I'm imagining a possible set-up including (1) a sterilized plastic box, (2) 2-3" of perlite, (3) 1/4" of perched water; (4) a rack, like the ones used to hold test tubes, placed on top of the perlite, (5) cuttings, cleaned with bleach or peroxide, standing upright the rack, (6) a warm location. We could, of course, add a biocide targeting bacteria and/or mold.  My reply:  The above sentence sounds much like the common rooting process.  He writes about rooting only in air (with humidity, oxygen, heat) yet uses is a very common rooting medium (perlite) and rooting process.

Can this be true of citrus? Vlad, you probably have already guessed the answer.

Comment:  A major reason for the failure of a cutting not rooting is because the cutting being selected was lacking enough stored energy .

spaugh, thank you for your thoughts.  As to your counsel that citrus trees should never ever be fertilized, we will just have to agree to disagree. 

Citrus General Discussion / Re: Ways To Use Orange Peels
« on: April 15, 2018, 10:18:39 AM »
I don't know directly about worms, but I know that orange peels are used for cattle feed.  My thought is that they would be OK for worms.

Citrus General Discussion / Re: Help with Citrus Tree
« on: April 14, 2018, 10:02:53 PM »
The spots are definitely not from mites. 

Citrus General Discussion / Re: new greenhouse planning
« on: April 14, 2018, 05:01:49 PM »
I also used the water spray to lower the temps .Brian, check the GH temperature again in 15 minutes & you will find the temperature right back up. 

Citrus General Discussion / Re: new greenhouse planning
« on: April 14, 2018, 04:45:16 PM »
Before I put a wet wall cooling system in my greenhouse, I used a shade cloth to help cool the greenhouse.  In fact iI tried several types of shade cloths, the one that worked the best is called Aluminet . You can find Aluminrt shade cloth on the Internet. Citrus grows best between 70 & 90-F.  At and above 95-F growth stops  and greatly slows down above 90-F.

Spaugh most all of the inflammation about urea applied as a foliar spray is found  in the University Of California's Citrus Production Manual, and that book is firstly intended for California growers and their trees..  All citrus trees, no matter where they are grown, need to be fertilized if one wants the best for their trees, and the best crop that their trees can produce.

Citrus General Discussion / Re: Quize
« on: April 14, 2018, 11:45:21 AM »
Sylvain you have the correct answer, congratulations.  You win the title of forum historian.

Citrus General Discussion / Quize
« on: April 13, 2018, 10:27:16 PM »
Most everyone knows, or has at least heard of the Citrus Clonal Protection Program (CCPP), but can you give us its original name before it was changed to the CCPP?

Citrus General Discussion / Florida Citrus Got Bad News Today
« on: April 13, 2018, 08:46:23 PM »
Florida’s citrus industry got some dire news Tuesday from an organization that advises the federal government on science and technical matters. In a report, the National Academies of Sciences, Engineering, and Medicine said a single breakthrough discovery for managing citrus greening in the future is unlikely. Greening has progressed from “an acute to a chronic disease throughout the state” and has caused Florida’s industry a cumulative loss of $2.9 billion in grower revenues from 2007 to 2014. According to the report, significant barriers to finding a solution still exist.

Citrus General Discussion / Re: Help with Citrus Tree
« on: April 13, 2018, 11:47:29 AM »
A tree in the same container for 3 years has got to be root bound,  Plus by this time the medium must have compacted to the point that the drainage sand the air porosity must be greatly reduced.

Citrus General Discussion / Re: Help with Citrus Tree
« on: April 12, 2018, 07:55:35 PM »
How long has it been since the tree was put into  the original container and the present medium? Has the tree ever been transplanted?

Actually, the special bloom feeding to enhance a good flowering and retention should have been given 1 months before the expected bloom date.   That feeding would have been a foliar spray of low-biuret urea.  A citrus tree sets many times more flowers and small fruitlets, then the tree can possibly retain until maturity, and will drop the excess.  This is called the Early Drop Period, If the tree held onto all of the fruitlets that were originally set, as those fruit grew the tree would be crushed under its own weight.  After all the blooms have set fruit, and then dropped the excess small fruitlets a foliar  spray application of low-biuret urea, is need to give the tree the energy to grow the remaining  fruitlets into nice large size fruit. You can start the regular ground fertilizing at this time.  The number of fertilizer applications throughout the season depends on the age of the tree. If you tell us how old the tree is we can tell you what the fertilizer schedule should be.  Also while the tree is in flower BE SURE the tree is well watered.

Citrus General Discussion / Re: How long does citrus budwood last?
« on: April 11, 2018, 11:04:00 AM »
Budwood is generally collected from the shoot behind the current flush, or from the current growth after it has begun to harden or mature, The sticks should be 8 to 10 inches long  and the leaves should be removed, leaving about 0.8 inch of petiole to protect the bud.  The budwood should be washed with running water, dipped for 60 seconds in 10% bleach solution and shaken to remove the excess. Air dry the budwood on a rack for no more than 15 minutes at 64-F.  Precool the budwood at 40-F, then seal it in a plastic bag and store at the same temperature.  Inspect the bag for condensation within 2 days, if there is more than a fine mist, dry the inside of the bag with clean paper towels.  Desiccation is the major problem in stored budwood . If storage is longer, repeat the sanitation and surface drying again at  2 months.

Yes, horticultural oils can do some leaf damage if applied at temperatures at or above 85-F.   However, a citrus tree should NEVER  be sprayed during the heat of the day with anything whatsoever, I would certainly not call today's HO a heavy oil. Spray early in the morning, later in the evening, or on cloudy days. A good brand of HO is Ultra Pure HO which is used at 80-grams per two gallons.  Works great.

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