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Citrus General Discussion / Kachai Lemon
« on: March 16, 2018, 03:28:07 PM »
Kachai Lemon has the highest content of ascorbic acid of all citrus fruit. According to experts, the ascorbic acid content in this lemon is 51 percent with juice content being 36-56 ml per fruit.

Citrus General Discussion / Trees Flowering
« on: March 11, 2018, 05:02:59 PM »
My in ground Cara Cara (11-ft. tall X 11-ft. wide is in full flower, with approximately 80 of the flowers now fully open. This is the best flowering year since the tree was planted.   I foliar sprayed the tree with low biuret urea last January,  From the very beginning of flowering I have been very careful to keep the tree well watered.  A dry period during a tree's flowering, will GREATLY reduces the potential harvest. A dry tree will rapidly drop some or most of the its flowers depending on the duration of drought. In approximately 10 days to two weeks, the tree will go into the EARLY DROP period, dropping the flowers and small fruitlets that the tree does not have enough energy to bring the fruit to maturity, this is a normal procedure.  If every flower developed into a fruit, and the tree held on to the fruit, the tree would be crushed under its own weight.   After the early drop is complete, it is then important to once again foliar spray the tree with low biuret urea.  The second spray will both increase the size of the fruit, and help the tree to retains the maximum amount of fruit without diminishing fruit size.

Other trees now in full flower,  Dekpon (Flowers 20 percent fully open) Xie Shan (flowers now 30 percent fully open), Valentine (tons of flowers, only 10 percent fully open), marsh grapefruit (good flowering 20 percent fully open) and a small page mandarin that has a lot of flowers, but due to the young tree's size I will let it only set two fruit.   All of the trees listed in this post are in ground trees.

Citrus General Discussion / How To Find Love In China
« on: March 01, 2018, 03:39:14 PM »
Tomorrow is Chap Goh Meh, also known as Chinese Valentine’s Day. It is the day when young single women throw mandarin oranges inscribed with their names and telephone numbers into rivers and lakes in the hope of finding their true love.

Citrus General Discussion / The History Of Minute Maid Corporation
« on: February 25, 2018, 05:03:12 PM »
By Brenda Eubanks Burnette

I recently came across a postcard in my collection that featured the Orlando headquarters of the Minute Maid Corporation, which made me curious about how the company started.

The back of the postcard reads: “National Headquarters of Minute Maid Corporation in Orlando, Fla. Located near the heart of Florida’s rolling citrus grove country, at the intersection of 441 and Rte. 50, this beautiful building is the center of all operations of Minute Maid, world’s largest grower and processor of citrus products — Minute Maid and Snow Crop frozen concentrates, and Hi-C canned fruit drinks.”

My search led to a 1975 Florida Citrus Hall of Fame member, John M. Fox, who had worked for the National Research Corporation, a product research company in Boston that developed, among many other inventions, a vacuum technique for dehydrating substances.

Fox moved to Florida and in 1945, he and four other businessmen (I’m still looking for them…) started a small company called Florida Foods Corporation, which produced orange juice powder using the vacuum technique to sell to the U.S. Army. Although the Army ordered 500,000 pounds of the powdered orange juice, the war ended before the product shipped, so the company turned its efforts to reducing fresh juice into concentrate, which was more palatable than the powder when mixed with water.

Florida Foods Corporation’s involvement with the Florida Department of Citrus team of scientists changed the industry. In 1946, Florida Foods Corporation was renamed Vacuum Foods Corporation. The company shipped the first frozen concentrated orange juice product in the United States and named it Minute Maid®. The name Minute Maid® was originally created by a Boston marketing firm to imply the convenience and ease of preparing orange juice anytime of the year, thus creating an entirely new retail beverage category.

Fox went door to door in his neighborhood of Hingham, Massachusetts, giving out free samples. In 1948, he launched a national radio campaign featuring Bing Crosby that kicked off a 30-year promotional relationship between Minute Maid and Crosby. In 1949, the company formally adopted the name of its highly popular orange juice product and became the Minute Maid Corporation.

First-year sales totaled $374,501, but by 1955, Minute Maid sales had reached $106.5 million. The company went public the next year and built its headquarters in Orlando. Coca-Cola bought Minute Maid in 1960, marking its first venture outside of soft drinks, and merged with Houston-based Duncan Foods in 1964, prior to moving the company headquarters to Houston in 1967.

The saga continued, as Coca-Cola Foods returned to Florida in 1981 with the rollout of the Simply Orange brand. In 1987, the company created the first-ever, calcium-fortified, 100-percent orange juice, before officially changing its name to The Minute Maid Company in 1996.

And Fox? He continued in food service as the president and chairman of the United Fruit Company from 1960 to 1970, where he developed new ideas for shipping and branding the company’s products. He returned to Boston, Massachusetts, in 1970 to accept the position of president and chief executive officer of H.P. Hood, Inc. Fox retired in 1978 and returned to Winter Park, Florida, where he passed away on Jan. 9, 2003, at the age of 90, while the first national headquarters for Minute Maid was razed to make way for a Wawa convenience store.

Citrus General Discussion / Saint Valentine's Day
« on: February 14, 2018, 11:09:26 AM »
On this Valentine's day I went out to the greenhouse a picked a large Valentine Pummelo, for breakfast.  The pummelo was very red, very juicy,  very delicious, and very appropriate for the occasion.. Happy Valentines day.

It is common acidic acid.  Put on sticky taps it attracts Male (and female) psyillids and kills them.

My New Zealand Lemonade (NZL) tree has produce a nice crop of fruit.  This year I let the fruit remain on the tree until they were fully mature and very yellow.  The mature fruit was about the size of an Eureka lemon.  Yesterday I picked a couple fruit for taste testing.  Unfortunately the fruit did not taste like lemonade, but rather had a washed out lemon taste to it.  I would not say they tasted unpleasant, but rather bland.  The sour aspect was much less than that of a lemon.  In the past, I remember eating the fruit while it was still green, much the way one eats a lime, but don't remember much about the exact taste, other than I liked it.  The tree has a ton of flowers on it, so new fruit should be coming soon.  I plan on tasting the new crop at various intervals trying to determine when the fruit should be picked. Anyone else with a NZL tree have comments concerning picking time?

Citrus General Discussion / Light Splitting Film For Greenhouses
« on: February 04, 2018, 02:17:08 PM »
The University of Colorado at Boulder to develop a cost effective greenhouse cover that splits sunlight into photosynthetically efficient light and also repurposes inefficient infrared light for water purification.  Under normal conditions, plants only use about 50 percent of incoming sunlight for photosynthesis. The new CU Boulder technology takes the form of a semi-translucent film that splits incoming light and converts the rays from less desired green wavelengths into more desirable red wavelengths, thus increasing the amount of photosynthetically efficient light for the plant with no additional electricity consummation.  The thin engineered material can be applied directly to the surface of the greenhouse.   The near-infrared wavelengths  can help clean brackish wastewater, allowing it to be recirculated in an advanced humidification-dehumidification interface and further reducing the greenhouse's energy footprint.

Citrus General Discussion / Blooming & Leaf Drop
« on: January 31, 2018, 04:29:56 PM »
The season for citrus trees to flower is getting close.  The heavy bloom period is also the period of greatest leaf drop by the tree.  The production of flowers requires a lot of the trees energy, and the leaves that are not pulling their weight are discarded.  Therefore, when you notice more leaves falling to the ground don't become over concerned that the tree might have a problem.  This is a normal process.

Winter prebloom foliar spray application of low Biuret urea is known to greatly increase flower number, thus greater crop yield.  Proper timing is important to achieve the desired outcome.  Winter prebloom sprays are designed to increase flower number and fruit yield without reducing fruit size. Winter prebloom foliar sprays with low biuret urea (46-0-0 >0.5% biuret) is applied at the rate of .44-lbs. (200-grams) in 2 gallon of water plus one teaspoon of a good surfactant per gallon.. For large area sprays (acres) 50-lbs. per 225 gallons water. NOTE: a second low biuret urea foliar spray should also be done after early fruit drop and June drop periods to insure an  increase in fruit size.  In most areas  this would be around July 1 to July 20.

Citrus General Discussion / UCR Variety Collection To Go CUPS
« on: December 31, 2017, 10:04:14 PM »

The recent discovery of three Huanglongbing (HLB)-infected trees in Riverside approximately 2.25 miles from UCR and the
pervasive spread of Asian Citrus Psyllids (ACP), which moves the bacteria that causes HLB,
crystalized the need for further protection of the UCR Citrus Variety Collection.

The 1038 cultivars and species of citrus and related genera in the field site of the Citrus Variety Collection is one of the most diverse 
collections of citrus and related genera in the world. Two additional small trees of each cultivar and species are have been housed  in aging screened greenhouses at UCR Agricultural Operations or at the USDA NCGRCD since 2008. If we need to remove HLB infected trees from the field collection in the future, this would significantly affect our ability to breed new cultivars and conduct research that utilizes this diversity.
This disease has created a critical need for a two-phase project to protect the Citrus Variety Collection. Your donation of any amount will help protect the collection.


UC Riverside’s College of Natural and Agricultural Sciences (CNAS) has secured funding for
the initial site study design and bid process, both of which are required by public universities.
Additional financial support from generous individual donors will allow us to complete a full site study for a three-acre parcel

A site development for an initial one-acre parcel and required storage
Installation of two Citrus Under Protection (CUP) Systems that would screen and protect up to an acre of newly planted trees of all
cultivars and species in the collection from registered budwood and grown in the ground. With immediate funding, the CUPS system could protect the Collection as early as July 2018.


Site development for two additional acres of property, upon which we plan to construct one or two new Research/Instructional Screenhouses / Greenhouses covering up to two acres and potentially adding an additional Equipment Storage / Outbuilding. These structures will provide more robust protection for the Collection, making it a more permanently safeguarded presence at UC Riverside.

See UCR Citrus Variety Internet web site  for full details.

Citrus General Discussion / Greenhouse Air & Heat Dispersion
« on: December 24, 2017, 04:33:15 PM »
My greenhouse is 32 feet wide, 72 feet long and 11.5 feet high.  To insure equal dispersion of heat and air movement to all sections of the greenhouse, I use fans.  Because heat raises there are three 20-inch fans hanging from the ceiling 10 feet from each end and one in the middle of the greenhouse to blow the heat back down to the plants.  Additionally, three 20 inch fans are setting three feet above the floor moving air horizontally around the greenhouse.   The ceiling fans perform twp functions.  First, as stated they move air from the roof back down to the level of the plants, and second they reduce the temperature differential between the inside ceiling covering and the outside cold air.  The greater the differential between the two, the faster heat is lost to the outside.  By blowing the hot air back down to the floor, the heat gradient is reduces and therefore less heat is lost.         

Citrus General Discussion / Citrus Scab Found In Alabama
« on: December 21, 2017, 03:44:39 PM »
The U.S. Department of Agriculture (USDA) has confirmed the first detection of sweet orange scab in Baldwin County, Alabama. The fruit sample was collected by Alabama Department of Agriculture inspectors during a survey for citrus greening disease

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