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UF/IFAS announces $1.5 million Tropicana gift for citrus faculty post focused on innovation | IFAS News

UF/IFAS announces $1.5 million Tropicana gift for citrus faculty post focused on innovation | IFAS News | Citrus science | Scoop.it
IFAS News delivers the latest breaking IFAS news and information.

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Could Low-Fat Yogurt Help Ward Off Diabetes?

Could Low-Fat Yogurt Help Ward Off Diabetes? | Citrus science | Scoop.it
British study also found reduced risk with other fermented dairy products (Could Low-Fat #Yogurt Help Ward Off #Diabetes?

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Can Scientists (and Wasps) Save Orange Juice? [Slide Show and Video]: Scientific American

Can Scientists (and Wasps) Save Orange Juice? [Slide Show and Video]: Scientific American | Citrus science | Scoop.it
I spent time with researchers and growers who are working to stop this bacterial illness, which leaves fruit green and bitter and kills trees. Known as huanglongbing (HLB)  -- Chinese for yellow dragon disease -- it is caused by bacteria that hide in the salivary glands of invasive insects known as Asian citrus psyllids. The pests arrived in the U.S. in the late 1990s and have spread the disease by injecting germs into plants as they feed on sap from their leaves. There is no cure for the disease.

Via Meristemi, Mary Williams
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Mary Williams's curator insight, February 26, 2013 4:36 AM

Nice article and photos / video about a bacterial disease of citrus, carried by invaseive insects  - lots of interesting ideas for first-year students to consider?

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Scientists Put Citrus in "Deep Freeze" to Preserve It

Scientists Put Citrus in "Deep Freeze" to Preserve It | Citrus science | Scoop.it

19 July 2013, USDA ARS, Jan Suszkiw -- U.S. Department of Agriculture (USDA) scientists are creating a backup storage site or "genebank" for citrus germplasm in the form of small buds, called shoot tips, which have been cryopreserved—that is, plunged into liquid nitrogen for long-term cold storage.

 

Plant physiologist Gayle Volk of the Agricultural Research Service (ARS) is applying the procedure to create a long-term genebank for important citrus varieties, breeding lines and wild citrus species. She and her colleagues' efforts coincide with concern over the spread of citrus greening, an insect-borne disease first detected in Florida in August 2005 and which now threatens the nation's citrus crop, valued at $3.4 billion in 2011-12.

 

ARS is USDA's chief intramural scientific research agency, and the research supports the USDA priority of promoting international food security.

 

Some genebanks maintain living citrus trees in dedicated groves and screenhouses. But in cryopreservation, Volk saw a way to safeguard valuable germplasm without fear of losing it to insect or disease outbreaks, as well as natural disasters such as freezes, droughts and hurricanes. Instead of safeguarding whole plants or trees, her approach involves cutting tiny shoot tips from new growth, called "flush," and cryopreserving the material for storage inside state-of the-art vaults at the ARS National Center for Genetic Resources Preservation (NCGRP) in Fort Collins, Colo.

 


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Biological Pest Controls Combat Citrus Disease after Pesticide Failure - eNews Park Forest

Biological Pest Controls Combat Citrus Disease after Pesticide Failure - eNews Park Forest | Citrus science | Scoop.it

Biological Pest Controls Combat Citrus Disease after Pesticide Failure eNews Park Forest HLB is one of the most severe plant diseases in the world and can affect any variety of citrus trees. The disease ...


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Citrus essential oils | | Natural health Blog | WellBeing Blog

Citrus essential oils | | Natural health Blog | WellBeing Blog | Citrus science | Scoop.it

One of the key components in citrus oils is an antioxidant known as Limonene. Limonene has demonstrated anti-tumoral properties in a number of studies.


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New study offers hope for halting incurable citrus disease

New study offers hope for halting incurable citrus disease | Citrus science | Scoop.it

25 September 2013, UC Davis News -- "The devastating disease Huonglongbing, or citrus greening, looms darkly over the United States, threatening to wipe out the nation's citrus industry, whose fresh fruit alone was valued at more than $3.4 billion in 2012.


Recently, however, a research team led by a University of California, Davis, plant scientist used DNA sequencing technologies to paint a broad picture of how citrus greening impacts trees before they even show signs of infection, offering hope for developing diagnostic tests and treatments for the currently incurable disease.

 

"Florida is seemingly in the death grip of citrus greening, and many experts believe it is just a matter of time before the disease appears full force in California," said plant molecular biologist Abhaya Dandekar, lead author on the study.

 

The new findings indicate that the bacterial disease interferes with starch and sugar metabolism in young and mature leaves and fruit, while also wreaking havoc with hormonal networks that are key to the trees' ability to fend off infections. Study results will be reported Sept. 25 in the journal PLOS ONE. ..."

 

Photo: The findings indicate the bacterial disease interferes with starch and sugar metabolism in young and matures leaves and fruit.


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Florida citrus research team wins grant for greening

Florida citrus research team wins grant for greening | Citrus science | Scoop.it
The Florida Citrus Research and Development Foundation has received a $200,000 grant to help solve the problem of greening in the state's citrus crop

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Crop Forecasts and Estimates - Florida Citrus Mutual

Offering a list of dates for USDA Crop Forecasts and updates on estimates.
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Australian authorities intercept citrus pest in curry leaves

Australian authorities intercept citrus pest in curry leaves | Citrus science | Scoop.it

Two Australian inspection officers have prevented a potential incursion of citrus greening disease after seizing prohibited curry leaves at Melbourne airport.

 

The officers from the Department of Agriculture, Fisheries and Forestry (DAFF) discovered passengers traveling from India were carrying leaves and roots from the curry tree Murraya koenigii, infested with eggs and nymphs of the Asian citrus psyllid.

As this psyllid can carry citrus greening disease, also known as Huanglongbing (HLB), Australia has strict import conditions for citrus fruits and leaves, as well as parts of the related curry tree.

 


Via Muriel Suffert
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Muriel Suffert's curator insight, September 10, 2013 6:36 AM

Diaphorina citri has also been intercepted on Murraya leaves in Europe (see for example in EPPO Reporting Service 2013/176 http://archives.eppo.int/EPPOReporting/2013/Rse-1308.pdf

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MYSTERY PLANT: Mystery plant is a citrus fruit native to Asia

For the Christmas holidays, we can have an easy Mystery Plant. Don't you think? I think it will be easy. But before we go there, I have a question....
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Excluding A Bad Citrus Pest From California - YouTube

http://www.cdfa.ca.gov/phpps/ Exclusion from California of the Asian citrus psyllid insect pest that spreads the fatal tree disease Huanglongbing, also known...
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Bad weather, disease and cartel violence causing a lime shortage

Bad weather, disease and cartel violence causing a lime shortage | Citrus science | Scoop.it
Mexico, the world's largest producer or limes, experienced a large loss of crop due to heavy rains and cartel violence only made the shortage worse.
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Citrus sinensis Annotation Project (CAP): A Comprehensive Database for Sweet Orange Genome | RNA-Seq Blog

Citrus sinensis Annotation Project (CAP): A Comprehensive Database for Sweet Orange Genome | RNA-Seq Blog | Citrus science | Scoop.it
Citrus is one of the most important and widely grown fruit crop with global production ranking firstly among all the fruit crops in the world. Sweet orange (Citrus sinensis Annotation Project (CAP): A Comprehensive Database for Sweet Orange Genome.

Via Biswapriya Biswavas Misra
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Florida growers pull money from orange juice ads to pay for research to citrus trees from a deadly bacteria

Florida growers pull money from orange juice ads to pay for research to citrus trees from a deadly bacteria | Citrus science | Scoop.it
A bacteria carried by a tiny insect from China could dry up orange juice in the United States and the world.

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New study offers hope for halting incurable citrus disease

Using DNA sequencing technologies, a research team led by a University of California, Davis, plant scientist has painted a broad picture of how the devastating disease Huonglongbing, or citrus greening, impacts citrus trees before they even show...

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USDA forming “emergency response” to save Florida’s citrus crop

USDA forming “emergency response” to save Florida’s citrus crop | Citrus science | Scoop.it
Greening disease has infected up to 75 percent of Florida's citrus trees

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Group of experts refutes EU position on black spot

Group of experts refutes EU position on black spot | Citrus science | Scoop.it

Following a public invitation from the EU for comments, an international group of experts has spoken out against the European evaluation of citrus black spot risk. 

The working group represents interests from Brazil’s Fundecitrus and Instituto Biológico, South Africa’s Citrus Research Internacional, the United States Department of Agriculture, the Australian Department of Agriculture and specialists from Argentina.

The group has refuted the position taken by the European Food Safety Authority (EFSA) which argues that the entrance of citrus contaminated with black spot could threaten the local  industry and promote plant pathogen Phyllosticta citricarpa.


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Muriel Suffert's curator insight, October 11, 2013 10:02 AM

The EFSA Scientific opinion was open to public consultation up to September 12th http://sco.lt/91Pl6f


see the report of the working group on Citrus research international at http://www.citrusres.com/sites/default/files/documents/CBS%20Expert%20Panel%20comments%20EFSA%20PRA%20CBS%202013.pdf

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Citrus Tested In Cold-Acclimating Temperatures - HACCPEuropa

Citrus Tested In Cold-Acclimating Temperatures - HACCPEuropa | Citrus science | Scoop.it
Commercial citrus growers are often challenged by environmental conditions in winter, including low seasonal rainfall that is typical in many citrus growing regions.
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Citrus farmers enlist army of wasps to help save crops

Citrus farmers enlist army of wasps to help save crops | Citrus science | Scoop.it
California farmers are employing a new-fangled approach to combating an epidemic destroying citrus crops around the U.S.
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Can Genetically Modifying an Orange With a Spinach Gene Save Florida’s Crop?

Can Genetically Modifying an Orange With a Spinach Gene Save Florida’s Crop? | Citrus science | Scoop.it
As disease continues to devastate Florida’s groves, field trials of a genetically modified orange tree are “showing promise”
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Scientists uncover how grapefruits provide a secret weapon in medical drug delivery

Scientists uncover how grapefruits provide a secret weapon in medical drug delivery | Citrus science | Scoop.it
Researchers have uncovered how to create nanoparticles using natural lipids derived from grapefruit, and have discovered how to use them as drug delivery vehicles.

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Crop and Water Management Strategies for Sustaining Citrus Production in South Texas - YouTube

Crop and Water Management Strategies for Sustaining Citrus Production in South Texas Dr. Shad Nelson Department of Agriculture, Agribusiness and Environmenta...
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