Cold-Hardy Citrus Growers Gather for Field Day

Josh McGillCold Hardy, Events

Production in the cold-hardy citrus region was under the spotlight during a recent field day in Quincy, Florida. Growers and industry leaders visited the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) North Florida Research and Education Center (NFREC) to learn about various facets of citrus production. Topics like controlled-release fertilizers, crop diversification and implementation of artificial intelligence …

The Status of Citrus Canker in Georgia

Josh McGillDiseases, Georgia

Citrus canker was found for the first time in Georgia this past season. Unfortunately, it may be here to stay. Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist, talked about the disease during a citrus meeting in Valdosta, Georgia, on Aug. 9. He emphasized that Georgia producers may have to learn to live with the disease …

Citrus Packinghouse Day Is Aug. 24

Josh McGillEvents, Packing

Topics of interest to Florida’s fresh citrus industry will be addressed at Citrus Packinghouse Day on Aug. 24 in Lake Alfred. The event will be held at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center. The free event in Ben Hill Griffin Hall will include an educational program, exhibitors and networking opportunities. …

Update on the Cold-Hardy Citrus Region

Josh McGillCold Hardy

By Danielle Sprague Williams In North Florida and South Georgia, there has been a significant growth in citrus production due to the relatively mild winters, advances in freeze protection and cold-hardy citrus varieties. In addition to this, there is a relatively low incidence of the citrus greening pathogen and its vector, the Asian citrus psyllid. Due to these factors, many …

Cold-Hardy Citrus Production and Challenges

Josh McGillCold Hardy

By Maegan Beatty Cold-hardy citrus is grown across a few thousand acres in more than 16 counties in North Florida and South Georgia. The satsuma mandarin is a cold-hardy species that has been grown throughout North Florida since the 1800s. The fruit is typically medium sized, a reddish orange color and can produce the highest quality in cooler winters and …

Can Brassinosteroids Help Citrus Cope With Disease and Extreme Weather?

Josh McGillDiseases, Research, Weather

By Fernando Alferez and Muhammad A. Shahid Brassinosteroids (BRs) are a natural group of hormones that regulate physiological and biochemical attributes that include seed germination, flower development, root formation and resistance to various abiotic and biotic stresses. BRs have shown promise in reducing pests and diseases in a wide range of plants, including citrus. A commercial formulation of BRs has …

Don’t Rush Freeze Recovery

Josh McGillfreeze

Do not apply recovery techniques immediately after a freeze, cold-hardy citrus growers were advised after freezes hit their groves in December 2022 and January 2023. The best strategy is to wait to observe new growth until at least late spring, researcher Muhammad Shahid told the Georgia Citrus Association at its recent annual meeting. Shahid is a University of Florida Institute …

Pheromones Essential in Leafminer Management

Josh McGillCold Hardy, Pests

Citrus growers should emphasize leafminer management this year to preserve new flushes. This is especially important for those producers affected by the Christmas freeze event. The management strategy should include pheromone disruptions, which can help reduce pest populations. Xavier Martini, assistant professor of entomology at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) North Florida Research and …

Cold Acclimation Helping Trees Rebound From Freeze

Josh McGillCold Hardy, freeze

Trees in the Sweet Valley Citrus region are more acclimated to cold temperatures than those in Central and South Florida. That is a reason that Bill Barber, Certified Crop Adviser and owner of Barber Ag Services, believes citrus trees in North Florida, South Georgia and South Alabama have rebounded well following the Christmas freeze event. “I first thought the worst. …

Leafminer Management Vital for Freeze-Impacted Trees

Josh McGillfreeze, Pests

Cold-hardy citrus growers need to protect their trees against the citrus leafminer this year, more so than ever. A lack of control could have negative consequences for trees still recovering from the Christmas freeze last December. Xavier Martini, assistant professor of entomology at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) North Florida Research and Education Center, …

Sweet Valley Citrus Expansion Could Stall

Josh McGillCold Hardy, freeze

Trees in the Sweet Valley Citrus region have been in high demand in recent years. Plantings of satsuma mandarins and other citrus varieties have steadily risen the past few years in Georgia, Alabama and North Florida. That steady climb is expected to stall this year, however. Following the Christmas freeze event that rattled the industry in the Southeast in December …

Thinking Outside the Box With Satsumas

Josh McGillCold Hardy

Satsuma mandarins are big business in the Georgia and North Florida citrus industry. Satsumas are desirable from the consumer perspective, and the fruit’s cold hardiness is suited for the northern reaches of citrus production. Cold hardiness was proven to be especially important after freezes in late December and in January. But a problem with satsumas is that the fruit matures …

Freeze Recovery Advice

Josh McGillfreeze

Winter Storm Elliott brought freezing temperatures to the cold-hardy region Dec. 24–28, 2022, resulting in significant injury to citrus. Danielle Williams, Muhammad Adnan Shahid and Mujahid Hussain, all with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), provided storm recovery advice in a recent edition of the Cold Hardy Citrus Connection newsletter. Following is a summary of …

Freeze’s Full Impact on Cold-Hardy Citrus Still Unknown

Josh McGillCold Hardy, freeze

Southeast citrus trees were undoubtedly impacted by multiple days of sub-freezing temperatures during Christmas week. An exact understanding of the impact will not be known for another couple of months, believes Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist. “The freeze was significant, but you never really know for sure until the plants start to flush …

A Look at South Carolina Citrus

Josh McGillCold Hardy, Research

Citrus has been making its way north in recent years. So far, growers in North Florida and Georgia have had success producing the crop, with only minor incursions of HLB, the disease that has been devastating in Florida’s traditional citrus production areas. The Southeast Regional Fruit & Vegetable Conference, held in Savannah earlier this month, included a citrus program for …

Planning Your 2023 Pest Management

Josh McGillPest Management, Tip of the Week

By Lauren Diepenbrock Pest 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 problematic pests …

Blanket Flowers Increase Arthropod Predators and Pollinators in Citrus Groves

Josh McGillPest Management, Pollination, Research

By Angela Chuang and Lauren Diepenbrock While many arthropod predator and pollinator activities benefit crop quality and yields, traditional farming environments may not be ideal habitats to support their survival year-round. For example, wild bees or flies that pollinate citrus may need other sources of nectar and pollen when citrus is not flowering. Planting wildflowers near crop fields to improve …

Cold-Hardy Citrus Region Frozen

Josh McGillCold Hardy, freeze

Temperatures in the teens walloped the South Georgia-North Florida citrus region over the Christmas weekend, destroying fruit still on trees and damaging trees to some extent. “We got as low as 15, but most places it hovered around 18 degrees,” reported Lindy Savelle, president of the Georgia Citrus Association. “All fruit left on trees appears to have turned to mush …

freeze

Cold-Hardy Growers Face Tough Call With Possible Freeze

Josh McGillCold Hardy, freeze

Looming below-freezing temperatures in the cold-hardy citrus region have growers on high alert regarding their remaining crop. Forecasts call for temperatures to drop to the 20s in Tifton, Georgia, on Dec. 23, according to Weather.com. Growers will have to decide on how to handle their remaining fruit, said Kim Jones, citrus producer and packinghouse owner. Jones is president of the …

Cold-Hardy Citrus Exceeds Yield and Quality Forecast

Josh McGillCold Hardy

Cold Hardy Citrus Association (CHCA) growers predicted this year’s harvest would be favorable at the season’s start, and groves are producing beyond those early expectations. “We are seeing good quality, bigger size and lots of volume left to pick on trees, especially for satsumas,” said CHCA President Kim Jones. CHCA represents growers, handlers, shippers and allied businesses in North Florida, South …