Researchers Caroline Roper and Nichole Ginnan at the University of California, Riverside led a large research collaboration that sought to explore the microbiome’s role in HLB disease progression. Their recent article in Phytobiomes Journal, “Disease-Induced Microbial Shifts in Citrus Indicate Microbiome-Derived Responses to Huanglongbing,” moves beyond the single-snapshot view of the microbial landscape typical of microbiome research. Their holistic approach …
States See Changes in U.S. Citrus Forecast
The U.S. Department of Agriculture’s (USDA) National Agricultural Statistics Service (NASS) dropped another 2 million boxes from the January forecast for Florida’s orange crop but added 200,000 boxes to the state’s grapefruit projection. ORANGESFlorida’s total orange crop is now forecast at 54 million boxes, down 4 percent from 56 million boxes in December. The orange reduction was in the non-Valencia …
Georgia Citrus Pest and Disease Update
As the Georgia citrus industry continues to grow and prosper, growers should be aware of the potential signs of citrus pests and diseases that could be looming in their groves. Bill Barber, Certified Crop Advisor and owner of Barber Ag Services, delivered a presentation during the 2021 virtual Southeast Regional Fruit and Vegetable Conference. He addressed pests and diseases presently …
HLB-Positive ACP Found in San Diego County
A citrus tree at a private residence near San Diego, California, has been found to be infected by four Asian citrus psyllids (ACP). Upon testing, the ACP were found to be carriers of the bacterium that causes citrus greening, also known as huanglongbing (HLB). The finding was announced by the California Department of Food and Agriculture’s Citrus Pest and Disease …
Breeding Hybrids With HLB Resistance
UC Riverside scientists are working to breed new fruits that are naturally resistant to huanglongbing (HLB). The hybrid fruits will ideally share the best of their parents’ attributes: the tastiness of citrus and the HLB resistance displayed by some Australian relatives of citrus. HLB, also called citrus greening disease, has been detected in California, where 80 percent of the country’s …
Citrus Holiday Traditions
By Ruth Borger and Megan Dewdney Oranges and other citrus have a special place during holiday celebrations. We find them in our decorations, on our dinner table, shipped to friends and families across the country, and sometimes, if you are really good, in your Christmas stocking. But where did these traditions come from? And when did they become part of …
Changes Proposed for Citrus From Australia
The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) recently proposed to expand the production areas in Australia from which fresh fruit may be sent to the United States. It also proposed to revise the conditions under which citrus from Australia may be sent to the United States. Currently, APHIS allows the entry of fresh citrus fruit …
Root Bacteria Could Help Defeat HLB
A team led by the University of California, Riverside (UCR) is looking at tiny underground microorganisms for a way to prevent a huge problem — huanglongbing (HLB), a disease with no cure that has decimated citrus orchards worldwide. “Often times, it is thought of as an above-ground disease of the fruits, leaves and stems,” said Caroline Roper, plant pathology professor …
Florida Orange, Grapefruit Forecast Trimmed
The forecast for Florida orange and grapefruit production were each trimmed by approximately 2 percent on Dec. 10. Forecasts for all other citrus varieties in all citrus-producing states were unchanged from the initial October report by the U.S. Department of Agriculture’s National Agricultural Statistics Service (NASS). The Florida all-orange forecast is now for 56 million boxes, down from 57 million …
Texas Mexfly Quarantine Established
Effective Nov. 5, 2020, the Animal and Plant Health Inspection Service (APHIS) and the Texas Department of Agriculture (TDA) established a Mexican fruit fly quarantine in Lasara, Willacy County, Texas. The pest is commonly referred to as Mexfly. APHIS, part of the U.S. Department of Agriculture, is applying safeguarding measures and restrictions on the interstate movement or entry into foreign …
Texas Research Should Help With HLB
Texas A&M AgriLife Research scientists have made a discovery that should help combat fastidious or “unculturable” pathogens, such as Candidatus Liberibacter asiaticus, the HLB causal agent. HLB is also known as citrus greening disease. Kranthi Mandadi, a researcher with Texas A&M, and his colleagues have been working several years on developing new technologies to fight the fastidious pathogens. Mandadi and …
UF/IFAS Collaborates on HLB Research
Several University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) faculty are collaborating with other universities and organizations on research, especially for HLB. Michael Rogers, director of the UF/IFAS Citrus Research and Education Center (CREC), summarizes the work they are doing on a variety of grant-funded projects. Rogers starts with a U.S. Department of Agriculture (USDA)-funded project led by …
Supreme Court to Hear Ag Union Case
The U.S. Supreme Court announced that it will hear a challenge to a California law that allows employee unions to trespass on private property. California law requires agriculture producers to open their property and businesses to union activists. Pacific Legal Foundation attorneys, who represent the companies filing the suit, claim that unauthorized union activities disrupt business operations and take property …
Citrus Industry Wants Costa for House Ag Committee Chair
California Citrus Mutual (CCM), Florida Citrus Mutual and Texas Citrus Mutual have voiced their support that California Congressman Jim Costa (D-Fresno) be appointed as the new chair of the House Agriculture Committee. A CCM press release stated that Costa understands the industry’s issues, such as pest and disease, trade, water and immigration. Notably, Costa was instrumental in securing federal funding …
Things to Be Thankful for This Year
By Ruth Borger Despite 2020 being a challenging year with a lot to complain about, there are many things to be thankful for. This is the time of year to take a few minutes to reflect on what we have to be grateful for. Here are just a few things to be thankful for that come quickly to mind. A …
Northern Hemisphere Citrus Production Forecast
The World Citrus Organization (WCO) presented its first crop production forecast for the Northern Hemisphere 2020–21 citrus season during the recent Global Citrus Congress Live. Philippe Binard, the general delegate of the WCO, presented the Northern Hemisphere production forecast, prepared with information from industry associations in Egypt, Greece, Israel, Italy, Morocco, Spain, Tunisia, Turkey and the United States (California and …
Genome Sequencing and Other UF Research
Michael Rogers discusses the importance of the recent sequencing of the trifoliate orange genome by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers and others. He also tells how growers can learn more about UF/IFAS research funded by the Florida Legislature. Rogers is director of the UF/IFAS Citrus Research and Education Center (CREC) in Lake Alfred and …
USDA Revising Texas Citrus Grades
The U.S. Department of Agriculture’s Agricultural Marketing Service (USDA/AMS) is revising the U.S. Standards for Grades of Grapefruit and the U.S. Standards for Grades of Oranges. The revision, effective Nov. 30, applies only to Texas and states other than Florida, California and Arizona. The revision will convert the Acceptable Quality Level (AQL) tables from showing the acceptable number of allowable …
Bayer HLB Project Extended
A large multi-year Bayer Crop Science project aimed at finding solutions for HLB will be extended by a grant from a branch of the U.S. Department of Agriculture (USDA). The two-year grant for just over $10 million came from USDA’s National Institute of Food and Agriculture (NIFA). The grant is to the Citrus Research and Development Foundation (CRDF) and its …
USDA Grants $45 Million for HLB Research
The U.S. Department of Agriculture’s National Institute of Food and Agriculture (USDA-NIFA) recently awarded 12 grants totaling more than $45 million for research to combat HLB. “USDA-NIFA’s Emergency Citrus Disease Research and Extension Program (ECDRE) brings the nation’s top scientists together to tackle this problem,” said Parag Chitnis, NIFA’s acting director. Following are the 12 ECDRE projects funded by USDA-NIFA …