pests

Freeze Does Not Have the Same Effect on All Pests

Daniel Cooper Cold Hardy, freeze, Pests

The Christmas freeze event in 2022 affected some insect pests in the cold-hardy citrus region more so than others, according to Xavier Martini. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor spoke about his findings during the recent Citrus Health Forum held at the North Florida Research and Education Center (NFREC) in Quincy. Martini addressed …

Citrus Weathers Subfreezing Nights in Cold-Hardy Region

Tacy Callies Cold Hardy, freeze

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 …

evaporative cooling

Avoid Evaporative Cooling in Citrus Freeze Protection

Daniel Cooper freeze, Weather

Both University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) speakers at a Nov. 28 winter weather workshop warned about the risk of evaporative cooling when using irrigation to protect citrus from freezing temperatures. Microsprinkler irrigation has been the main form of cold protection for Florida citrus for at least the last five decades.     The need to understand evaporative …

winter

Prepare Now for the Winter Season

Daniel Cooper freeze

By Maegan Beatty As the cooler months start to arrive, it is important to protect citrus trees from overnight freezes and extreme weather conditions. Last December, the All In For Citrus podcast addressed what cold protection should look like for Florida citrus growers in an interview with Chris Oswalt, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus …

TEMP Act Aims to Provide Freeze Insurance for Growers

Josh McGill freeze, Legislative

A U.S. senator and Congress members from Florida have introduced legislation to direct the Risk Management Agency to research and develop a crop insurance policy to cover losses caused by cold exposure and freezes. Sen. Marco Rubio introduced the Temperature Endorsement for Multi-Peril Policies (TEMP Act). Representatives Scott Franklin, Darren Soto, Cory Mills and Greg Steube introduced companion legislation in …

Rootstocks Influence Cold-Hardiness of Georgia Tangos

Josh McGill Cold Hardy, freeze, Rootstocks

Since the Christmas freeze of 2022, University of Georgia Lowndes County Extension Coordinator Jake Price has been conducting cold-hardiness ratings to see how Georgia citrus varieties were influenced by their rootstocks. He focused on Tango performance in a recent report and declared US-1516 “the clear winner” in providing cold-hardiness. Since January of 2023, Price has conducted ratings on how much …

Cold Protection Resources for Citrus Growers

Josh McGill freeze, Weather

Citrus growers in Florida’s Panhandle will have a greatly reduced citrus harvest this year because of a hard freeze in December 2022, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) reported. To help growers reduce damage in future freezes, UF/IFAS has tools that aid with citrus cold protection. Water is the most common form of cold protection …

UGA Citrus Research Benefits From Freeze

Josh McGill Cold Hardy, freeze, Varieties

Research in South Georgia cold-hardy citrus requires freezing temperatures for studies to be effective. When temperatures dropped below freezing for multiple days around Christmas last year, it allowed Jake Price, University of Georgia (UGA) Lowndes County Extension coordinator, to conduct extensive research into various citrus varieties and rootstocks. He discussed his research during a citrus meeting in early August. “We’ve …

Texas Growers Rebounding From 2021 Freeze

Josh McGill freeze, Texas

Texas growers appear to be back on track after Winter Storm Uri caused significant setbacks to many groves in February 2021, according to a Texas A&M AgriLife Extension Service expert. ACREAGE STATUSDespite citrus production losses to the storm, Juan Anciso, AgriLife Extension horticulturist at Weslaco, said he was pleasantly surprised that the industry was faring much better than he expected. …

Freeze to Cut Orange Production in Turkey

Josh McGill Crop Forecast, freeze, International

Turkey is forecast to produce 1.32 million metric tons (MMT) of fresh oranges in 2022–23, down from 1.75 MMT in 2021–22. The decrease is due to freezing weather conditions during the orange-blossoming period in March 2022. The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) issued the updated forecast. The yield decrease in 2022–23 was heaviest in the Washington …

Minimal Crop Expected in Cold-Hardy Citrus Region

Josh McGill Cold Hardy, freeze

Citrus harvests are just a few months away for growers in the cold-hardy citrus region of eastern Alabama, southern Georgia and the Florida Panhandle. Unfortunately, those harvests will be reduced to about 25% of the normal crop, according to industry leaders. The Christmas freeze event devastated this year’s crop in the region. Kim Jones, who grows and packs citrus in …

Chilean Citrus Industry Suffers Freeze Damage

Josh McGill freeze, International

The president of Fedefruta (Federation of Chilean Fruit Producers), Jorge Valenzuela Trebilcock, is receiving testimony from farmers affected by damaging frosts. The frosts have spread through various productive areas of fruit and vegetables and have lasted much longer than normal. They have caused damage that is not yet quantifiable to avocados, lemons, oranges, tangerines and avocados. “The frosts have been …

Rootstock Influences Cold-Hardiness in Sugar Belles 

Josh McGill freeze, Mandarins, Rootstocks

Sugar Belles on four different rootstocks in Georgia showed different levels of damage from the December 2022 freeze, reported Jake Price, Lowndes County Extension coordinator for University of Georgia Extension. The Sugar Belles at a Valdosta research plot planted in 2018 have put on the first flush of foliage after being mostly defoliated. The trees are snuggly located between windbreaks …

Don’t Rush Freeze Recovery

Josh McGill freeze

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 …

Freeze Had Greatest Impact on Young Trees

Josh McGill Cold Hardy, freeze

Lindy Savelle, president of the Georgia Citrus Association, and other industry leaders continue to preach to growers the need to diversify their crop portfolios. The Christmas freeze event that ravaged production in the Southeast last December should not be a deterrent for farmers hoping to produce citrus other than satsuma mandarins. Yes, non-satsuma citrus trees were impacted more by the …

Ambrosia Beetles a Concern Post-Freeze

Josh McGill freeze, Georgia, Pests

Researcher Apurba Barman recently reported that ambrosia beetles could be a potential concern following the December 2022 freeze event in the cold-hardy citrus region. Barman is an assistant professor of entomology with the University of Georgia College of Agricultural & Environmental Sciences.  Ambrosia beetles are small insects that bore holes into stressed trees. While they have been seen attacking young …

Cold Acclimation Helping Trees Rebound From Freeze

Josh McGill Cold 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 McGill freeze, 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, …

rootstock

Satsumas Look ‘Pretty Darn Good’ Post-freeze

Josh McGill Cold Hardy, freeze

Satsumas in the Sweet Valley Citrus region appear to have aced their first test of multiple days of subfreezing temperatures. It is still a wait-and-see approach with other varieties, however. One grower was extremely optimistic about satsumas, the cold-hardy mandarins that look to have survived December temperatures in the teens. “Satsumas are pretty darn good. We lost some leaves, got …

Sweet Valley Citrus Expansion Could Stall

Josh McGill Cold 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 …