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Below you'll see everything we could locate for your search of “disease”
By Stephen H. Futch and Ariel Singerman In May of 2017, we visited the northwestern citrus production region of Argentina in the provinces of Jujuy, Salta and Tucumán. The purpose of the trip was to learn more about Argentina’s citrus industry and programs being developed to deal with both the Asian citrus psyllid (ACP) and huanglongbing (HLB). Argentina has a …
By Len Wilcox Ventura County, California, is perhaps the prettiest place in the world to grow lemons. Nestled between the golden slopes of the coast range and the relaxing seaside and azure-blue ocean, it is just north of Los Angeles on the famous Pacific Coast Highway. In town, Ventura seems far too urban to be an agricultural center; it is …
By Jaci Schreckengost One of the topics researchers and growers discussed at the 2017 Organic Food & Farming Summit was what can be done organically to combat huanglongbing (HLB), also known as citrus greening disease. Florida Organic Growers hosted the summit in Gainesville. It featured many workshops in which researchers and growers could discuss challenges and management practices. Tripti Vashisth, …
Federal assistance for citrus growers in the wake of Hurricane Irma will be more problematic than following past hurricanes, Commissioner of Agriculture Adam Putnam told the Florida Citrus Commission on Wednesday. He explains why and updates reports about damage to the citrus crop. “The simple change from 2004-05 is that Congress in the intervening years has taken away the discretion …
Last month, the U.S. Department of Justice asked for dismissal of the lawsuit by California lemon growers challenging a new import rule allowing Argentinian lemons into the United States. The U.S. Citrus Science Council (USCSC), representing approximately 750 family citrus farmers, filed the lawsuit against the U.S. Department of Agriculture (USDA) in federal district court in Fresno, California, earlier this …
A historical perspective and current conditions are key to understanding what will happen to the orange juice market in the future if HLB-resistant trees are introduced. By Allen Morris Between 2001–02 and 2016–17, the Nielsen-measured retail U.S. orange juice market declined by 50 percent, Florida orange production declined by 70 percent and retail orange juice prices increased by 53 percent …
At Citrus Expo in August, Premier Citrus President Tom Jerkins clarified comments about bactericides and their effectiveness that he made at the June Florida Citrus Mutual conference in Bonita Springs. “In Bonita Springs, I kind of stated publicly it was difficult for Premier to see a difference in the treated (with bactericides) versus untreated,” Jerkins says. “I said it was …
By Harold Browning Column sponsored by the Citrus Research and Development Foundation Use of bactericides to reduce disease levels in infected trees continues to be a topic of debate in Florida citrus. Now in the second season of grower use, many growers are continuing to use the three products containing oxytetracycline or streptomycin within their seasonal spray programs. The Citrus …
By Ariel Singerman, Marina Burani-Arouca, Stephen H. Futch and Robert Ranieri This article summarizes the charges for harvesting citrus in Florida during the 2016–17 season. The estimates provided are key for computing on-tree prices and to estimate economic returns to citrus growers. The estimates are based on a survey of harvesters conducted in May 2017. A total of 15 harvesters …
Florida lost another 25,148 acres of citrus in the past year, or 5 percent of the crop’s acreage, according to the annual Commercial Citrus Inventory released on August 31. The number of acres dropped to 454,973 from 480,121 in 2016. The inventory was released by the U.S. Department of Agriculture’s National Agricultural Statistics Service. “It turns out that our citrus …
By Marcos Fava Neves The first forecast of the 2017–18 Brazilian orange crop was published in May. Brazil expects a total of 364.47 million boxes, including the following: 68.49 million boxes of Hamlin, Westin and Rubi varieties 17.42 million boxes of Valencia Americana, Valencia Argentina, Seleta and Pineapple varieties 114.52 million boxes of the Pera Rio variety 123.04 million boxes …
Ears perked up in the Citrus Expo seminar hall last week when Lukasz Stelinski reported incidences of Asian citrus pysllid resistance to insecticides, “particularly the neonicotinoid group of insecticides in Florida.” The neonicotinoids have been a key weapon against the psyllids that have spread HLB to groves statewide. Stelinski, an entomologist with the University of Florida’s Institute of Food and …
By Ute Albrecht Tolerance to a disease is generally defined as the ability to be productive in the presence of disease-causing organisms. This is contrary to resistance, which is defined as the ability to completely evade a pathogen due to specific resistance mechanisms. The question as to what defines an HLB-“tolerant” rootstock was posed in an article by Bill Castle, …
University of California (UC) scientists at the Lindcove Research and Extension Center (LREC) will soon begin to test the effect of growing citrus under protective screen (CUPS). CUPS is a proposed new method of controlling huanglongbing (HLB), or citrus greening disease, by keeping psyllids, small insects known to spread the disease, away from the trees. The test will evaluate the …
U.S. Secretary of Agriculture Sonny Perdue visited Citrus Expo on August 16. During his visit, he held a listening session alongside Congressman Tom Rooney and citrus industry professionals. The main topic during the session was citrus greening and the importance of research to combat the devastating disease. Growers and industry leaders spoke about the challenges of the Florida citrus industry. …
The Citrus Research and Development Foundation (CRDF) and Bayer CropScience announced a new partnership at Citrus Expo. In an effort to discover new technologies to manage citrus greening disease, CRDF will invest $12 million with Bayer over a three-year period. Bayer will focus on product research and development of both biological and chemical controls. Adrian Percy, head of research and …
Amid continuing struggles in Florida’s citrus industry, U.S. Secretary of Agriculture Sonny Perdue will appear Wednesday at the Citrus Expo in Fort Myers. Florida Agriculture Commissioner Adam Putnam and U.S. Rep. Tom Rooney, R-Fla., are expected to join Perdue, according to Putnam’s office and the Citrus Expo website. Perdue’s visit comes as the industry continues to deal with deadly citrus …
By Jaci Schreckengost Due to the rapid rate huanglongbing (HLB) has affected citrus, researchers are working on new management techniques for the disease. Rhuanito “Johnny” Ferrarezi, assistant professor in citrus horticulture at the University of Florida/Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (IRREC), says research is being done to answer questions about how HLB …
By Jude W. Grosser and Frederick G. Gmitter It’s no secret that citrus greening disease, or HLB, continues to take a heavy toll on the beloved Florida citrus industry. It has been estimated that the industry will need to replant over 3 million trees per year for the next 10 years just to get back to normal. So the million-dollar …
By Jaci Schreckengost Ben Albritton, Florida House Representative from District 56, says it is encouraging to see the positivity in the citrus community, especially in challenging times. Due to the rise of huanglongbing (HLB), known as citrus greening disease, Florida citrus growers are facing the challenges of reduced production and health of their crops. There have been some changes in …
