The quest for long-term solutions to HLB is well underway. Technology like CRISPR is being developed to introduce tolerance or resistance to HLB. Conventional breeding also is seeking rootstocks and varieties that can resist the disease. In the meantime, growers are reminded to utilize available tools that help trees remain productive in an HLB environment. During the August Citrus & …
Planning Pointers for Insect Management
By Lauren Diepenbrock Insect and mite management is a year-round challenge in Florida citrus. With the warm climate, pests are at the ready as soon as plant resources are available to them. With knowledge of insect and mite biology in relation to tree phenology, plans can be developed to protect fruit and maintain productive citrus trees. Populations of some highly …
Good Times, Good Food, Great Company
Get ready to tailgate at the Florida Citrus Show! This one-of-a-kind event is returning to the Treasure Coast on April 3. In between seminar sessions, the trade show will become a tailgate party that you won’t want to miss. The day will kick off with breakfast and coffee in the tailgate hub. Attendees will have the opportunity to walk the …
Citrus Weathers Subfreezing Nights in Cold-Hardy Region
By Clint Thompson Trees in the cold-hardy citrus region weathered last week’s multiple nights of sub-freezing temperatures, according to one industry expert. “I had somebody here at the house and they asked, ‘Are you still running sprinklers?’ I was like, ‘Heavens no, but it’s all that ice thawing out and running out into the road.’ It’s a pond out there …
Florida Citrus Industry Survey Reflects Industry Optimism
By Frank Giles Last year’s citrus season was marred by continuing production declines from HLB and hurricanes. The combined effect of both dropped the final all-orange output to 15.8 million boxes. Certainly, the numbers reflected the dire situation the industry found itself in after the storms. But after last year’s harvest, growers were given clearance to utilize new trunk-injection therapies …
Updates on FDOC Research Projects
Florida Citrus Commission (FCC) members on Jan. 17 heard an update on one recent Florida Department of Citrus (FDOC) scientific research project and learned about some future research plans. Rosa Walsh, FDOC director of scientific research, presented the information. PROGRAM FOR EXPEDITED PROPAGATIONWalsh reported that the 2022–23 Program for Expedited Propagation of HLB Tolerant and Resistant Trees was successful. She …
Ups and Downs Expected for EU Citrus Crops
The U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS) recently projected the European Union (EU) tangerine and mandarin crop will decline in 2023–24. The EU grapefruit crop is expected to rise compared to the prior season. TANGERINES AND MANDARINS EU tangerine and mandarin production in 2023–24 is forecast at 2.7 million metric tons (MMT), down from 2.8 MMT in …
Legislators Seek H-2A Wage Freeze
Seventy-five U.S. House of Representatives members have asked House and Senate appropriations leaders for an H-2A visa guestworker wage freeze in an upcoming spending package. The text of the representatives’ letter to appropriations leaders follows: “We write with shared concerns regarding the annual adjustment to the Adverse Effect Wage Rate (AEWR). Now in 2024, the H-2A labor rates paid by …
Brassinosteroid and Weed Management Research Updated
Brassinosteroids for HLB-infected trees and the latest on year-round weed management were discussed at a Jan. 17 OJ Break at the Citrus Research and Education Center in Lake Alfred, Florida. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) multi-county citrus Extension agent Chris Oswalt hosted the event. UF/IFAS assistant professors Fernando Alferez and Ramdas Kanissery made the presentations …
Korea’s Mandarin Production
Korea’s production of tangerines and mandarins — virtually the country’s only commercial citrus — is forecast at 570,000 metric tons by the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS). That’s a 2.1% decline from the previous year’s 582,000 MT. The decline is driven by lower yield for open-field tangerines, decreased fruit set per tree and a slight reduction …
Efforts to Eliminate Multiple Ag Taxation in Florida
Florida Commissioner of Agriculture Wilton Simpson joined two state legislators Jan. 8 in announcing legislation to eliminate multiple taxation of agricultural production by annual local property taxes. Simpson, Sen. Jay Collins and Rep. Danny Alvarez announced the filing of a joint resolution, HJR 1251 and SJR 1560. The proposed constitutional amendment creates a total tax exemption of tangible personal property …
Waxing the Right Way
An article about citrus waxing was recently published by Citrus Australia. The article, written by John Golding, a research horticulturist with the New South Wales Department of Primary Industries, is summarized here. Waxing citrus can help maintain quality and enhance the fruit’s appearance. However, using the wrong type of wax or applying an excessively thick layer can overly restrict gas …
Aging Farmers Contribute to Japan’s Citrus Downtrend
Japan’s citrus planted area and production are on a long-term downward trend. Reasons cited by the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS) are aging farmers, labor shortages and a lack of successors for running farms. In a December annual report, USDA FAS summarized production, planted area and trade for each of Japan’s citrus varieties. TANGERINES/MANDARINS After a …
New Discovery About Asian Citrus Psyllids
A failed field test has led to a major discovery about Asian citrus psyllids (ACP). According to new research, the bacterium that causes HLB disease can interfere with ACP’s sense of smell, rendering some kinds of insect traps useless. The work is currently available as a preprint. HLB, also known as citrus greening, is caused by the Candidatus Liberibacter asiaticus (CLas) bacterium. …
Australian OJ Production Projection
Australian orange juice (OJ) production in 2023–24 is forecast at 15,400 metric tons (MT) by the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS). That’s a decrease of 4% from the 2022–23 estimate of 16,100 MT. Higher production and improved fruit quality for fresh oranges is anticipated in 2023–24, resulting in a lower volume of rejected fruit channeled toward …
Irrigation Strategy to Enhance Fruit Growth and Retention
By Tripti Vashisth Huanglongbing (HLB) severity is associated with small fruit sizes and lower fruit numbers at harvest. Moreover, small fruit are more likely to drop and drop earlier during preharvest fruit drop. Unfortunately, management practices suggested to increase fruit size or reduce drop have had mixed results. So, before looking for ways to increase fruit size and number, it …
Registration Now Open for Florida Citrus Show
The Florida Citrus Show returns on April 3! Registration is now open for the 2024 show. Join us for a trade show full of the top agricultural companies, informational seminar sessions and an exciting tailgate party. This isn’t your average trade show. In between seminar sessions, growers can mingle with exhibitors and sample their tailgate dishes. Be sure to visit …
Increased Production of Citrus Crops in China
China production forecasts are increased for both mandarin/tangerine and grapefruit/pomelo crops in 2023–24 compared to the prior year. The forecasts were issued by the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS). MANDARINS/TANGERINES China’s mandarin/tangerine production is forecast at 26.9 million metric tons (MMT) in 2023–24, up from 26.5 MMT the previous year. The increase is because of a …
CITRUS NURSERY SOURCE: Seeds Aplenty
By Peter Chaires Beginning this month, Citrus Nursery Source (CNS) transitions to Citrus Industry magazine after 14 years in Florida Grower magazine. For those unfamiliar with this column, CNS covers citrus industry issues that are of potential interest to nurseries and the growers they serve. Recognizing that it is difficult for nursery owners and staff to regularly attend meetings, this …
Changes to U.S. Citrus Forecast
In the Jan. 12 citrus forecast from the U.S. Department of Agriculture’s National Agricultural Statistics Service (USDA NASS), Florida’s citrus crop estimates were unchanged from December, but other citrus-producing states saw changes. CALIFORNIA UPS AND DOWNSThe California forecast for oranges increased for both Valencias and non-Valencias. The Valencia crop rose from 7.5 million boxes to 7.8 million boxes. Non-Valencias increased …