Current Citrus News and Events

Current Citrus News and Events, Citrus News Articles.
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Creating more sustainable fragrances with biotech
In the face of a changing climate and crop diseases, manufacturers of products containing natural flavors and fragrances are pivoting to a new way to source ingredients. Companies have been partnering with biotechnology firms to manufacture scents and flavors using fermented microbes, which experts say are more sustainable. A new story in Chemical & Engineering News (C&EN), the weekly newsmagazine of the American Chemical Society, details how the industry is brewing up new fragrances. (2021-02-10)

Research identifies more sustainable, cost-effective approach to treating citrus canker
Behlau and his colleagues showed that it is possible to control citrus canker by spraying much less water and copper. ''By adjusting both copper and water usage based on the volume of the citrus trees without affecting the quality of disease control, we have taken an important step to a more economically and environmentally sustainable citrus industry.'' (2021-02-03)

Turning food waste back into food
UC Riverside scientists have discovered fermented food waste can boost bacteria that increase crop growth, making plants more resistant to pathogens and reducing carbon emissions from farming. (2021-01-28)

Novel effector biology research provides insights into devastating citrus greening disease
Ma and her colleagues at the University of California and the University of Florida used molecular plant pathology approaches to dissect the mechanisms of the ongoing tug-of-war between the citrus host and the bacterial pathogen that causes citrus greening disease. (2021-01-21)

Aphids suck: Invasive aphid found on Danish apple trees
The spirea aphid, Aphis spiraecola, an invasive pest, has been discovered for the first time in Denmark by University of Copenhagen researchers. The extent of its current distribution remains unknown, but in time, it could prove to be a troublesome pest for Danish apple growers. (2021-01-19)

Understanding disease-induced microbial shifts may reveal new crop management strategies
Currently, the only thing citrus growers can do to protect their crops from HLB is control the insect vector. Dozens of researchers are trying to find ways to manage the disease, using strategies ranging from pesticides to antibiotics to CLas-sniffing dogs. Understanding the plant microbiome, an exciting new frontier in plant disease management, is another strategy. (2021-01-05)

Risk of vine-to-vine spread of Xylella fastidiosa is greatest in July and August
'Managing the spread of X. fastidiosa is challenging due to a lack of field data on seasonal changes in vector abundance, proportion of vector population carrying the pathogen, and probability of acquisition from infected plants,' explained Mark Sisterson, a vector entomologist with the Agricultural Research Service-USDA. (2020-12-07)

Plant-inspired alkaloids protect rice, kiwi and citrus from harmful bacteria
Plants get bacterial infections, just as humans do. When food crops and trees are infected, their yield and quality can suffer. Although some compounds have been developed to protect plants, few of them work on a wide variety of crops, and bacteria are developing resistance. Now, researchers reporting in ACS' Journal of Agricultural and Food Chemistry have modified natural plant alkaloids into new compounds that kill bacteria responsible for diseases in rice, kiwi and citrus. (2020-12-02)

Water consumption for trees is calculated in order to design precision irrigation systems
A University of Cordoba and Spanish National Research Council research team validated an indicator based on using a tree's temperature to calculate relative water consumption at an almond tree plantation (2020-10-27)

Plant compound reduces cognitive deficits in mouse model of Down syndrome
The plant compound apigenin improved the cognitive and memory deficits usually seen in a mouse model of Down syndrome, according to a study by researchers at the National Institutes of Health and other institutions. Apigenin is found in chamomile flowers, parsley, celery, peppermint and citrus fruits. The findings raise the possibility that a treatment to lessen the cognitive deficits seen in Down syndrome could one day be offered to pregnant women whose fetuses have been diagnosed with Down syndrome through prenatal testing. (2020-10-23)

In pursuit of alternative pesticides
Controlling crop pests is a key element of agriculture worldwide, but the environmental impact of insecticides is a growing concern. Farmers have historically relied on the broad-spectrum chlorpyrifos, which is facing a potential ban in the U.S. A new article in Chemical & Engineering News, the weekly newsmagazine of the American Chemical Society, details how scientists are working to develop safer alternatives to chlorpyrifos. (2020-10-21)

How vitamin C could help over 50s retain muscle mass
New research shows that vitamin C could help over 50s retain muscle mass in later life. The new study shows that older people who eat plenty of vitamin C - commonly found in citrus fruits, berries and vegetables - have the best skeletal muscle mass. This is important because people tend to lose skeletal muscle mass as they get older - leading to sarcopenia (a condition characterised by loss of skeletal muscle mass and function), frailty and reduced quality of life. (2020-08-26)

Constructing odor objects in the brain
A research team at RIKEN in Japan found how odors can be generalized into categories by combining brain imaging and models of brain activity. They examined a region of the fly brain that plays a central role in forming olfactory memories and discovered clustered representations of mixtures and groups of odors that are conserved across individual flies. (2020-08-18)

New tools in the fight against lethal citrus disease
Scientists are closer to gaining the upper hand on Huanglongbing, a disease that has wiped out citrus orchards across the globe. New models of the bacterium linked to the disease reveal control methods that were previously unavailable. (2020-08-10)

Decline in plant breeding programs could impact food security
A team of scientists led by Kate Evans, a Washington State University horticulture professor who leads WSU's pome fruit (apples and pears) breeding program, found that public plant breeding programs are seeing decreases in funding and personnel. (2020-08-07)

An inventory providing information on more than 200 viruses that infect plants in Brazil
The largest database of plant viruses in Brazil serves as a tool for researchers, growers and policymakers. (2020-08-05)

How the brain senses smell
An Italian-American research conducted by researchers at the IIT-Istituto Italiano di Tecnologia (Italian Institute of Technology) in Rovereto (Italy) and Harvard University in Boston (Usa) explains for the first time the mechanisms used by our brain to recognize specific smells. Thanks to this result, researchers will be able to think about the realization of an artificial sense of smell, to be transferred to robots and other intelligent machines in the future. (2020-07-29)

Newly discovered pathogen in NY apples causes bitter rot disease
In a study of New York state apple orchards, Cornell University plant pathologists have identified a new fungal pathogen that causes bitter rot disease in apples. (2020-07-06)

Yale scientists solve a thorny problem
''Why do plants have thorns?'' is an easy question: The thorns help protect against hungry animals that like to munch on the plants. ''Where do thorns come from?'' is a more complicated question -- but Yale scientists have found an answer. Their insight, reported in the June 18 issue of Current Biology, may help change the way oranges and other crops are grown. (2020-06-18)

Infected insects may warn of impending citrus disease a year in advance
Despite the first appearance of citrus greening disease in Florida in 2005, the bacterium wasn't found in Texas until 2011, when scientists detected it in the psyllids. The disease was not detected in citrus years until 2012, suggesting that psyllids may actually be used for early detection of the HLB pathogen in newly invaded areas. (2020-06-09)

Harnessing psyllid peptides to fight citrus greening disease
BTI, USDA and UW scientists have identified peptides in the Asian citrus psyllid, an insect that spreads the bacterium that causes citrus greening disease (huanglongbing, HLB). The researchers are using the peptides as starting points for developing an insecticide to halt damage to the U.S.'s multi-billion dollar citrus industry. (2020-04-28)

Engineers develop precision injection system for plants
A new method developed by engineers at MIT may offer a starting point for delivering life-saving treatments to plants ravaged by such diseases. (2020-04-27)

New technique has potential to protect oranges from citrus greening
Citrus greening, also called Huanglongbing (HLB), is devastating the citrus industry. Florida alone has experienced a 50 to 75 percent reduction in citrus production. There are no resistant varieties of citrus available and limited disease control measures. Three plant pathologists at the University of California-Berkeley and United States Department of Agriculture conducted research into ways to boost citrus immunity and protect the valuable fruit against citrus greening. (2020-03-18)

Adequate folate levels linked to lower cardiovascular mortality risk in RA patients
Decreased folate levels in the bloodstream have been associated with an increased risk of cardiovascular mortality in patients with rheumatoid arthritis, shedding light on why those patients are more susceptible to heart and vascular disease, according to research published today in JAMA Network Open by experts at The University of Texas Health Science Center at Houston (UTHealth). (2020-02-26)

Essential oil components can be tested as drug candidates
A research team at the VIB-KU Leuven Center for Microbiology and the KU Leuven Department of Biology showed that, contrary to generally held belief, most components of essential oils could meet the criteria set for drug candidates. Essential oil components are the constituents of essential oils, which are complex mixtures of plant metabolites obtained by dry or steam distillation, or by citrus peel pressing. (2020-02-21)

An apple a day might help keep bothersome menopause symptoms away
A healthy diet rich in fruits and vegetables is known to benefit the human body in so many ways. Now a new study suggests that it may also play a role in lessening various menopause symptoms. Study results are published online today in Menopause, the journal of The North American Menopause Society (NAMS). (2020-02-19)

Eliminating viruses in our food with cranberries and citrus fruit
Fresh produce is a major vehicle for noroviruses, a group of viruses that are the most common cause of gastroenteritis in developed countries. However, the viruses are quite resistant to cold pasteurization treatments such as irradiation, which are used to destroy bacteria, moulds, parasites, and insects. The irradiation process uses gamma rays or X-rays to destroy these viruses but at the dose needed to eliminate them, it can affect the physicochemical properties of fresh produce. (2020-02-19)

First study to compare citrus varieties with combination of metabolomics and microbiome
Citrus greening disease, or Huanglongbing (HLB), is deadly, incurable, and the most significant threat to the citrus industry. Most HLB research focuses on the tree canopy, but scientists in California studied the impact of HLB on root systems. They recently published the first study to report on the response of two different varieties of citrus to the causal bacterium, 'Candidatus Liberibacter asiaticus' using metabolomics and microbiome technologies. (2019-12-30)

Understanding the mechanisms of seemingly chaotic synchronization in trees
The synchronization of seed production by trees has garnered attention due to its importance in agriculture, forestry and ecosystem management. A team of scientists led by Tokyo University of Agriculture and Technology (TUAT) have developed a method that can be used to model the wide range of synchronization behaviors exhibited by different tree species simply by changing the control parameters. (2019-12-19)

Star fruit could be the new 'star' of Florida agriculture
Cover crops may increase sustainability of carambola groves. (2019-12-18)

Earthquakes, chickens, and bugs, oh my!
Computer scientists at the University of California, Riverside have developed two algorithms that will improve earthquake monitoring and help farmers protect their crops from dangerous insects, or monitor the health of chickens and other animals. The algorithms spot patterns in enormous datasets quickly, with less computing power and lower cost, than other methods and have been used to improve earthquake detection, monitor the insect vector Asian citrus psyllid, and evaluate the feeding behavior of chickens. (2019-11-26)

University of Florida scientists advance citrus greening research efforts
To facilitate the scientific community's ability to use L. crescens in citrus greening research, University of Florida Department of Plant Pathology scientists have published an article in Phytopathology that outlines, step-by-step, highly reproducible and detailed protocols that they have standardized for culturing L. crescens. (2019-11-12)

Genetically modified mice can show which functional foods can heal kidney disease
Researchers at Hiroshima University used genetically engineered mice to show the severity and progression of kidney disease and recovery during treatment in a new paper published in Scientific Reports in October. (2019-11-06)

The truth about misinformation
A new study shows why it is sometimes difficult for consumers to internalize retracted information from companies or news organizations. (2019-11-04)

Stanford psychologists show leading with flavor encourages healthy eating
Most people want to eat healthier, but efforts to encourage healthy eating by providing nutrition information have not changed habits much. A new study suggests that labels emphasizing taste and positive experience could help. (2019-10-03)

A breath test for opioids
A test to detect opioid drugs in exhaled breath has been developed by engineers and physicians at UC Davis. A breath test could be useful in caring for chronic pain patients as well as for checking for illegal drug use. (2019-10-03)

Cleaning with bleach could create indoor air pollutants
For generations, people have used chlorine bleach to clean and disinfect their homes. However, researchers have now discovered that bleach fumes, in combination with light and a citrus compound found in many household products, can form airborne particles that might be harmful when inhaled by pets or people. They report their results in ACS' Environmental Science & Technology. (2019-10-02)

Touting flavor before nutrition encourages healthy eating
Most people want to eat healthier, but efforts to encourage healthy eating by providing nutrition information have not drastically changed habits. A new study suggests that labels emphasizing taste and positive experience could help. (2019-10-02)

Microbes make chemicals for scent marking in a cat
Domestic cats, like many other mammals, use smelly secretions from anal sacs to mark territory and communicate with other animals. A new study from UC Davis shows that many odiferous compounds from a male cat are actually made not by the cat, but by a community of bacteria living in the anal sacs. (2019-09-13)

Researchers grow citrus disease bacteria in the lab
Being able to grow the elusive and poorly understood bacterium, Candidatus Liberibacter asiaticus (CLas), will make it easier for researchers to find treatments for the disease that has destroyed millions of acres of orange, grapefruit and lemon groves around the world and has devastated the citrus industry in Florida. (2019-09-12)

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