University of Florida Institute of Food and Agricultural Sciences researcher Tripti Vashisth told growers at a citrus workshop in Sebring on Sept. 25 how to maintain proper soil pH for HLB-infected trees. She said HLB-affected trees seem to perform best when soil pH is 6.0. Vashisth said pH levels need to be adjusted continuously. “Our soils are known to be more …
Bactericides for Psyllids and HLB
Many growers in recent years have used bactericides in an effort to reduce HLB infection in their groves. University of Florida Institute of Food and Agricultural Sciences researcher Kirsten Pelz-Stelinski reports on use of bactericides to reduce both the bacteria that causes HLB and the psyllids that spread it. In greenhouse studies, she reports, bactericides appeared to offer “some reduction” …
PIECES OF THE PAST: ‘You Miss 100 Percent of the Shots You Don’t Take!’
Take a shot at nominating a deserving industry member for the Florida Citrus Hall of Fame. By Brenda Eubanks Burnette A few years ago, I was approached by someone at an industry function whose opening line was “I gotta talk to you!” So, we walked out into the hallway to chat. He immediately started jabbing his finger at me and …
Lemons: What’s Available and What’s Coming
Lemon varieties now available for planting in Florida and varieties that may be available in the future were discussed at a recent lemon workshop in Lake Alfred. Fred Gmitter, a University of Florida Institute of Food and Agricultural Sciences researcher, summarizes his presentation. “The currently available varieties are Bearss and Eureka,” Gmitter says. “Bearss is a heavy-bearing tree; it produces …
Stansly’s Parting Shot at Psyllids
Less than a month before his death, the late Phil Stansly offered Citrus Expo attendees advice for coping with psyllid resistance to neonicotinoid insecticides. Stansly was a University of Florida Institute of Food and Agricultural Sciences entomologist based at the Southwest Florida Research and Education Center. He was among those credited with organizing Florida’s first psyllid- and HLB-fighting citrus health …
Could HLB-Tolerant Mandarins Be Used in Florida Orange Juice?
By Laura Reuss, Fred Gmitter and Yu Wang Sweet orange and mandarin fruits are the most popular citrus crops worldwide. Although often mistakenly considered one and the same, oranges and mandarins are different species with specific distinctions. For instance, mandarins are smaller and easier to peel than oranges. Additionally, mandarins are primarily eaten as fresh fruit, whereas most sweet oranges …
Ag Industry Mourns Loss of Phil Stansly
Philip A Stansly, age 74, of LaBelle, passed away Sept. 12, 2018 in Fort Myers, Florida. Stansly served the agricultural industry as a member of the UF Institute of Food and Agricultural Sciences (IFAS) Southwest Florida Research and Education Center team for 32 years. Stansly was a frequent contributor to Citrus Industry magazine and was featured as the “psyllid slayer” …
A Grower’s Perspective on Marketing Lemons in Florida
Interest in lemon production is increasing among Florida’s citrus producers. This was evident by the strong turnout of growers who attended a lemon workshop at the Citrus Research and Education Center on Sept. 11. Approximately 80 growers and industry members attended the event, hosted by University of Florida Institute of Food and Agricultural Sciences Polk County Extension. George Hamner Jr., …
Fruit Drop and HLB
By Tripti Vashisth and Lisa Tang Fruit drop is a natural, physiological phenomenon that occurs in all citrus varieties. However, pre-harvest fruit drop often causes grower distress and concern as it can result in significant yield reduction as well as loss of tree resources into non-harvested fruit. THREE PERIODS OF FRUIT DROP In general, citrus trees bloom profusely in spring, …
Florida Ag Water Challenges
At the Citrus Expo general session in August, Rich Budell of the Budell Water Group addressed water supply and quality challenges facing Florida agriculture. He summarizes some of the eye-opening statistics he presented. Budell says in a part of Central Florida, the 20-year water demand is estimated to be 250 million gallons per day more than what the anticipated natural …
Individual Tree Covers for HLB Defense
University of Florida Institute of Food and Agricultural Sciences researcher Jim Graham shares preliminary results from a new trial aimed at protecting trees from HLB infection at the Southwest Florida Research and Education Center. During the first five months of the trial, individual protective covers (IPCs) successfully kept psyllids off young trees and delayed HLB infection. Trees under the covers …
How to Handle Glyphosate-Related Fruit Drop
By Ramdas Kanissery, Fernando Alferez and Ozgur Batuman Herbicides are one of the key inputs necessary for effective management of a wide diversity of weed infestations in citrus crop production. Most weeds in citrus could be controlled by adopting a weed management program that utilizes a combination of herbicides based on their selectivity and compatibility with the crop. This would …
Grower Discusses Acreage Count, Tree Health
Arcadia citrus grower V.C. Hollingsworth, chair of the Citrus Crop Estimates Advisory Committee, reacts to the recent Florida citrus acreage report and discusses tree health. Hollingsworth says the acreage count is “not down as far as I thought it might be.” On Aug. 28, the U.S. Department of Agriculture’s National Agricultural Statistics Service released its Commercial Citrus Inventory, which indicated Florida …
Post-Irma Crop Insurance Adjustments Flawed
Lakeland agricultural attorney Michael Martin discusses shortcomings he says persisted in the adjustment of crop insurance for citrus following Hurricane Irma in September 2017. “What we found out was that the loss adjustment manual in crop insurance talks about above-ground injury, which if you have freeze damage is very helpful,” Martin says. “But the loss adjustment manual doesn’t address the …
Natalie’s Orchid Island Juice Company Purchases New Facility
Natalie’s Orchid Island Juice Company recently announced the purchase of a new facility. The Fort Pierce, Florida-native company is expanding, but is not traveling too far from home. Actually, it is not traveling away from home at all. The juice company announced the beginnings of a new 55,000 square-foot building on 11 acres. The building will be located in Fort …
What the New CRDF Leader Learned in Two Weeks
Two weeks into his job as chief operations officer (COO) of the Citrus Research and Development Foundation (CRDF), Rick Dantzler summarizes what he has heard from growers and his thoughts on helping the industry. Dantzler says he has talked to growers, CRDF board members and industry representatives “to try to get a sense of what they want CRDF to do. …
New Regulations Costly to California Growers
New regulations will cost California citrus growers an average of $701 per acre per year, or $203 million annually statewide, according to a new study commissioned by the Citrus Research Board (CRB). “Compliance with environmental regulations not associated with groundwater sustainability is estimated to increase costs by $17.7 million, or $67 per acre of citrus,” predicts Bruce A. Babcock, a …
PIECES OF THE PAST: Centennial Celebration
By Brenda Eubanks Burnette Frostproof will celebrate its 100th year beginning at noon on Sept. 1, 2018. The Frostproof Centennial Committee has been posting a number of articles on its Facebook page in honor of the celebration. One of the articles noted how Frostproof was incorporated. On June 18, 1918, at 3:00 p.m., 47 Frostproof men met in the Thompson …
Crate Labels: Marketing Tools Become American Art
By Len Wilcox The labels that citrus packinghouses formerly placed on their shipping crates have a long and colorful history. These vibrant labels — usually square, depicting a beautiful farm, pretty lady or perhaps some impossibly perfect oranges — have become art objects and unique representations of their time and place in history. LOCATIONS OF COLLECTIONS In Florida, that history …
CUPS Offers Grapefruit Hope
A 4-year-old citrus-under-protective-screen (CUPS) trial offers hope for fresh grapefruit growers who struggle to grow fruit in the face of HLB, Arnold Schumann reports. Schumann says last season’s Ray Ruby grapefruit crop enclosed in CUPS at the Citrus Research and Education Center in Lake Alfred had 100 percent packout, even after Hurricane Irma inflicted some damage to the CUPS structure …