By Ramdas Kanissery Citrus growers face weed management problems throughout the year due to favorable conditions that allow the rapid growth of weeds in groves. A weed-free tree row is desired in citrus to minimize competition with the trees. This can be achieved by utilizing post-emergent herbicides that control the weeds that have already emerged. Growers have several product options …
Update on Oak Mulch Research to Fight HLB
Researchers have been looking for ways to help Florida citrus growers fight HLB, and spreading oak mulch around the drip line of citrus trees appears promising. Lukas Hallman, a graduate student at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (IRREC) is doing research to find what is in oak trees …
Florida Water Policies for Agriculture
Water is the lifeblood of any farming operation. Many involved in the agriculture sector are working to do all they can to help Florida conserve water and make the most of this essential natural resource. Tatiana Borisova, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) water resource economist, gave an overview of the water-quality policies and programs in …
Citrus Expo, Other Events Highlighted
Michael Rogers discusses three popular upcoming citrus grower educational meetings: Florida Citrus Growers’ Institute in April, the Florida Citrus Show in May, and Citrus Expo in August. Rogers is director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center in Lake Alfred. UF/IFAS is the primary planner of educational presentations at all …
Experimenting With Cover Crops in Citrus
Sarah Strauss, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) soil microbiologist, shared initial results from a UF/IFAS cover crop research trial during the March 23 OJ Break virtual meeting for citrus growers. According to Strauss, use of cover crops has received increased interest by growers as a method to sustainably and economically improve soil health and …
Sneak Peek: April 2021 Citrus Industry
Ask any Florida citrus grower what the top priority is, and you’ll likely get the same answer: Keeping HLB-affected trees productive and profitable. The April issue of Citrus Industry magazine provides research on production practices aimed to meet this goal. Adjusting the amount of sunlight plants receive has proven to increase citrus tree health and yield. University of Florida Institute …
The Do’s and Don’ts of Spraying for Psyllids
Psyllid sprays have been a point of contention for Florida citrus growers. Under endemic HLB conditions, high psyllid control costs have cut into the grower’s bottom line, which has already been hit by reduced production. So, what is the right time to spray and how can a grower remain sustainable and profitable? Lukasz Stelinski, University of Florida professor of entomology …
What to Do About Citrus Black Spot
By Megan Dewdney Citrus black spot is one of the newer diseases to worry Florida citrus growers. The fungal disease was first detected in Southwest Florida in 2010. The vast majority of finds have been in the southwestern citrus-producing counties of Collier, Hardee, Lee, Charlotte and Glades, but the disease has slowly moved northward. Black spot is still considered a …
Department of Labor Targeting Southeast Agriculture
The U.S. Department of Labor’s Wage and Hour Division is engaged in an education and enforcement initiative to increase compliance with federal labor laws in the Southeast’s agricultural industry. In addition to enforcement activity, the initiative provides compliance assistance to employers and educates workers and other stakeholders. The division is working with industry stakeholders in Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, …
Spain’s Lemon Industry: A Different Viewpoint
A recent Citrus Industry article, Lemon Price Crisis in Spain by Francisco Seva Rivadulla, reported how some lemon growers in Spain are leaving their fruit to rot in the field this season due to prices below the cost of production. José Antonio García, director of the Lemon and Grapefruit Interprofessional Association (AILIMPO) in Spain, shared his reactions to the article. …
Protecting Honey Bees in Citrus Groves
By Sylvia Willis, Amy Vu and Jamie Ellis When people think of Florida, the first thing that comes to mind is Fresh From Florida oranges. Florida accounts for 44 percent of total U.S. citrus production. Citrus, like many other fruits, vegetables and specialty crops, requires certain inputs to grow and produce fruit. But how are pollinators and the production of …
Growing Containerized Satsumas Under Screen
Trials of containerized satsuma trees grown in a screened facility will soon begin in Louisiana, reported Louisiana State University (LSU) AgCenter horticulture Extension agent Anna Timmerman. She discussed the trials during the recent virtual 2021 LSU AgCenter Citrus Symposium. Research objectives include determining optimal planting density and yield. Field days for growers will likely be conducted in 2022, and a …
All In For Citrus Podcast, March 2021
March’s All In For Citrus podcast brings news of in-person events, details on controlling the vector of HLB disease, as well as potential changes to nutrient and water management recommendations. Citrus Research and Education Center Director Michael Rogers begins the episode discussing several upcoming events for growers. On April 6, the Florida Citrus Growers’ Institute will return as a virtual …
Highlands County Youth Citrus Project Winners
Rylan Turner’s tree was crowned Grand Champion of the Highlands County Youth Citrus Project, and Christopher Garrison’s tree garnered the Reserve Grand Champion award. Those two trees were sold in a live auction during the livestock auction night at the Highlands County Fair on Feb. 18. Lykes Bros. purchased the Grand Champion tree for $1,400 and Big T Tire bought …
Integrated HLB Management in Brazil
By Marcelo Pedreira Miranda, Haroldo Xavier Linhares Volpe, Renato Beozzo Bassanezi, Ivaldo Sala and Juliano Ayres Huanglongbing (HLB), or citrus greening, is a notable threat to the citrus industry worldwide and was reported in the central region of São Paulo state (SPS) in Brazil in 2004. HLB then spread quickly throughout SPS, requiring the citrus industry to adapt rapidly to …
New Pest Product Introduced
Bayer has introduced Vynyty Citrus®, its latest biological and pheromone-based crop protection product to control pests on citrus farms. Vynyty Citrus®, a container with an active liquid inside, does not generate resistance or residues in harvests or in the environment, according to Bayer. It is the first such product on the market that is formulated with pheromones and natural pyrethrum …
Biological Controls for Lebbeck Mealybug
Lebbeck mealybug (Nipaecoccus viridis) was first identified in Florida citrus in 2019 in Highlands County. It has now been documented in commercial citrus groves in 11 counties and in dooryard citrus plantings in two counties. While lebbeck mealybug can feed on most of the above-ground parts of a citrus tree, it is most damaging in the canopy, where it feeds …
Lemon Price Crisis in Spain
By Francisco Seva Rivadulla The Spanish lemon sector is going through one of the worst price crises in recent years. Currently, prices at origin for Fino lemons are 0.15 to 0.18 euro cents per kilo, while the production cost is 0.20 per kilo. Therefore, Spanish producers are losing money this harvest season, according to sources from the Agricultural Association of …
Citrus Phenology-Based Spraying for Psyllids
By targeting Asian citrus psyllids on an area-wide scale and focusing on several individual properties simultaneously, growers can minimize psyllid movement between groves, reduce HLB transmission and maintain citrus production at a profitable level. Generally, most psyllid sprays are applied on a calendar or threshold basis, resulting in high-spray frequencies and associated costs. Because of the Asian citrus psyllid’s high …
Field Trials for Cultivar Evaluation; Soil and Root Health
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus researchers are collaborating on ground-breaking research projects to fight against HLB. They are working with researchers at the University of California-Riverside (UC-Riverside), Texas A&M and Washington State University on a project to field-test new citrus cultivars for tolerance or resistance to HLB. The research is funded by the U.S. …