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Topics - Millet

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Citrus General Discussion / 20 Inch tall Okinawan Shiikuwasha Blooming
« on: March 18, 2024, 06:29:49 PM »
I started the tree from seed 2 years ago.  This spring the tree is flowering for the first time at 20  inches tall.

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My shikuwasha citrus tree, native of Okinawa, flowered with 2 flowers at just 9 inches tall. Grown from from seed.

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Citrus General Discussion / Christmas
« on: December 24, 2022, 09:05:08 PM »
A very Merry Christmas to all.  Jesus is born.

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Citrus General Discussion / Temperature
« on: August 27, 2022, 03:02:25 PM »
n Australia what is the average summer daytime high temperature in the area where Finger Limes live in the wild?

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Citrus General Discussion / HLB Spreads In California
« on: July 08, 2022, 12:55:08 PM »
USDA APHIS added portions of Los Angeles, Orange, Riverside and San Bernardino counties to the quarantined areas. With the expansion of the Jurupa Valley and Riverside areas of Riverside and San Bernardino counties in the HLB quarantine area, CDFA merged the HLB quarantine boundaries, creating a single HLB quarantine. That quarantine expands across Los Angeles, Orange, Riverside and San Bernardino counties. In addition, APHIS is establishing a quarantine in a portion of San Diego County. APHIS is taking this action because of HLB detections in plant tissue samples collected from multiple locations during routine surveys in California.

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Citrus General Discussion / Marsh Seedless White Grapefruit
« on: May 21, 2022, 04:21:07 PM »
In Colorado the temperatures are not high enough to sweeten white grapefruit as sweet as Florida grown fruit.  Therefore, I have continued to leave my Marsh grapefruit hang on the tree until the end of May.  Over the months I sampled a fruit every couple weeks.  And every couple weeks the fruit became a little sweeter.  Today, the 21 of May I ate two of the grapefruit and they were quite sweet.  I noticed that when I picked them they were also some what soft and  juicier .  Time heals all things.

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Citrus General Discussion / Easter
« on: April 17, 2022, 09:02:53 AM »
Wishing everyone a Happy Easter.  He is RISEN.

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Citrus General Discussion / Shikuwasa "Lime"
« on: April 06, 2022, 06:28:20 PM »
Shikuwasa lime from Okinawa (actually a mandarin) but is always used as a lime.  I planted a Shikuwasa seed 4 months ago.  The plant is now 7 inches tall and has developed a bloom at the very apical point of the tree. 

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Citrus General Discussion / Ukraine
« on: February 27, 2022, 03:39:29 PM »
I want to say that I stand with Ukraine, and against Putin's Russia.  I read this same message by my friend Laaz on his forum.  God bless Ukraine!!!

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Citrus General Discussion / Leaf Drop
« on: February 26, 2022, 06:14:40 PM »
I'm seeing some normal citrus leaf drop now that my trees are starting to flower.  Citrus leaf drop in citrus trees is at its highest just be for and during flowering.

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Citrus General Discussion / Merry Christmas
« on: December 25, 2021, 01:32:53 PM »
Jesus is born this day  -  Merry Christmas

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Citrus General Discussion / Urea Spray
« on: December 14, 2021, 06:26:06 PM »
Tomorrow is December 15, which is two and a half months before citrus flowering.  Therefore, tomorrow is the day to spay the foliage with the first urea spray to induce a better bloom, thus a better crop.  I did not spray last year and the crop was less than usual. 

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Citrus General Discussion / PROBLEMS
« on: October 08, 2021, 03:45:39 PM »
After the Tropical Fruit Forum was down for several days I noticed that I had to reregister in order to place new postings.  If you can't post you will need to reregister.

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Citrus General Discussion / CA HLB Infected Tree Update
« on: September 30, 2021, 12:09:42 PM »
Currently in California 2,402 residential citrus trees have been found infected with HLB. (Citrus Greening).

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Citrus General Discussion / Trying A New Growth Medium
« on: September 23, 2021, 11:21:36 AM »

I am trying a new growth medium  It is made from 50 percent Turface MVP and 50 percent potting soil.  It seems to have good
drainage and aeration.  I know that Brian, a member of this forum has been using it with good results.  I believe it was first invented by Laaz.  Although I have not been using it very long, so far so good.  Most of my trees are growing in a 5-1-1 bark peat and perlite mixture with good results, it has to be watered so often that it is a hassle during the hot summer months.  As time goes by I will post how the new medium does.

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It Depends

In CUPS Culture (Citrus Under Protective Screens)  CUPS is a screened Greenhouse Structure.

The Univ. Of Florida found that CUPS trees almost doubled in growth compared to outside.
CUPS trees growing in 25 liter containers produced 2,600 boxes of fruit  per acre.
CUPS trees growing in 35 liter containers produced even more.

Outside citrus in Florida average 200 boxes/ acre (due to HLB)

https://vscnews.com/cups-citrus-florida-grapefruit/

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 Cultivars that appear to have commercially useful levels of HLB tolerance. The two most noteworthy cultivars are Sugar Belle and SunDragon.

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Citrus General Discussion / HLB Help Looks Very Promising
« on: August 07, 2021, 10:06:11 PM »
The peptide by Elemental Enzymes, called Vismax peptide, is a foliar spray that causes the tree to attack the bacterial infection (HLB) as well as induces the tree to actually grow out of the disease. Vismax peptide only needs to be applied once every year in the spring as the trees flush, and it lasts through harvest. It has been proven positive in groves across Florida over four years of replicated grower trials in heavy HLB infected fields and has worked in generating more grower yield the same year over year. 

Elemental Enzymes has recently been funded by CRDF for an expansion of its label study for other common citrus diseases. The Vismax peptide product should become registered with EPA in May 2022. It will be available through their partner, Nutrien, the largest ag retailer in the U.S., once it’s approved.

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Citrus General Discussion / Old Mystery Solved
« on: August 04, 2021, 03:21:09 PM »
How modern citrus developed, particularly the popular mandarin variety, has long been a mystery to citrus breeders. A global partnership of scientists recently unraveled a big part of the mystery by analyzing the genome sequences of 69 East Asian traditional, wild and atypical citrus varieties. One of the researchers was Fred Gmitter, University of Florida Institute of Food and Agricultural Sciences horticulture professor at the Citrus Research and Education Center.The researchers determined that the complexity of many varieties can be traced to three previously unrecognized ancestral lineages. They discovered a new wild citrus species native to the Ryukyu islands, a chain of Japanese islands stretching southwest from Kyushu to Taiwan. From one lineage, an important citrus trait arose -- apomixis, or the ability of the tree to reproduce seedlings that are genetically identical to the mother tree. The spread of this trait throughout the broad citrus family was documented. All oranges, grapefruit, lemons and most citrus rootstocks possess this characteristic.The researchers determined that apomixis was responsible in part for the creation and spread of new hybrid citrus species native to Japan in a rare evolutionary mechanism. The results provide insights into future breeding strategies that may produce more desirable and marketable commercial citrus.“It is humbling to realize that the fruit we grow and eat today is the result of millions of years of both wild evolution and domestic cultivation,” Gmitter said. “Our findings raise more questions about what other citrus hybrids are out there and what characteristics may be beneficial to us as we look to breed more disease-resistant and environmental stress-resilient varieties. Understanding the past is really a window to the future.”

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Citrus General Discussion / Madison Citrus Nursery.
« on: July 16, 2021, 01:14:04 PM »
I just received my order of a red Grapefruit tree from Madison Citrus Nursery.  I have been in citrus for 40 years, and have purchased trees from just about most of the nurseries.  The Grapefruit tree from Madison Citrus Nursery was by far the very best tree I have ever purchased.  There are many fine nurseries that offer quality trees, all I am saying the grapefruit tree I received from Madison is the best one of all the trees I have purchased over the years.  I also seen two trees that Laaz received from them and they were just as good. 

https://madisoncitrusnursery.com/

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Citrus General Discussion / CYAN-365
« on: July 13, 2021, 09:27:07 PM »
CYAN-365 is really making a name for itself.  In a CYAN-365 study, Hamlins yielded an additional 369 pounds per acre, more than 31 additional boxes per acre, 27% less fruit drop and 18% more fruit count. Valencias yielded 398 more pounds per acre, 54 more boxes per acre and 18.2% more fruit. The product rejuvenates the tree, speeding up the maturing process and keeping the stems healthier. The increased sugar content of the fruit is where CYAN 365 is in a class of its own.
 

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Citrus General Discussion / CLM & Citrus Canker
« on: June 19, 2021, 06:22:41 PM »
An agriculture study that showed five times more canker lesions in young trees without CLM control than in trees with CLM control. In a mature grapefruit and lemons surveyed in July and August had an average of 79% of leaves with canker lesions directly associated with CLM damage.
To minimize the potential for fruit and foliage infection, pesticide applications need to be timed to significantly reduce CLM populations during the summer and early fall, Oswalt writes. “The primary window of opportunity to control CLM is 13 days after bud break of a new flush to 31 days after this bud break. Experience shows that this is much easier to do for the spring flush but becomes increasingly difficult as seasonal flushes continue through the growing season (summer and fall).  Taken from, UFIFAS

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Summer spray applications of low biuret urea is designed to increase fruit size and juice without increasing yield. The time of application is important.  The treatment is designed to extend the cell division stage of fruit development to achieve an increase in fruit size.  The end of the cell division stage is characterized by maximum peel thickness; the peel thickness period is between approximately June 11 and July 26.  Low biuret urea is most effective when applied between July 1 to July 26.  Applications of low biuret urea that are too early  (May and June) increase fruit retention and thus are less effective in increasing fruit size.  It is not known whether low biuret urea applications would be effective if applied  later than the end of July. When applied in the summer at maximum peel thickness, low biuret urea is applied as a single spray targeting July 15 + or - 7 days at a rate of 50-lbs of low biuret urea  per 200 gallons of water per acre.  (.25-lb. low biuret urea/1-gallon).  All applications should be made to give GOOD ANOPY COVERAGE, much like spraying an insecticide.  For best results the solutions should be between a pH of 5.5 and 6.5. Applications should be made when the air temperature is below 80F.  Taking in consideration the potential maximum daytime temperature, applications should be make in early morning or late afternoon to early evening.

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