Florida Growers Detail CRAFT Projects

Josh McGillCitrus, Florida

There has been quite a bit of interest in the Citrus Research and Field Trials (CRAFT) program. During the Florida Citrus Show held in Fort Pierce in late January, a panel of citrus growers discussed projects they have been approved to conduct under CRAFT. Tamara Wood, executive director of the CRAFT Foundation, moderated the panel and provided an update on …

Picking Favorites at Florida Citrus Variety Display Day

Josh McGillCitrus, Florida, Varieties

The horticultural characteristics of new citrus varieties are important, especially in the era of HLB when disease tolerance is critical. But how the fruit tastes and other consumer attributes are equally important. That’s why citrus variety display days are vital in citrus breeding. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center in …

Be Prepared for Postbloom Fruit Drop

Josh McGillFruit Drop, Research

A La Niña weather pattern is most likely this spring, with higher-than-average temperatures and below-average rain predicted in Florida, researcher Megan Dewdney reported in a Feb. 24 presentation about postbloom fruit drop (PFD). That could have some influence on the severity of PFD, since its preferred climate is humid and subtropical, and the fungus moves with rain splash and wind-borne …

Florida Citrus Growers Seeking Solutions to Fruit Drop

Josh McGillCitrus, Florida, Fruit Drop

Fruit drop has plagued Florida citrus groves in recent years. The problem has been a major factor in tumbling yields. The February 2022 U.S. Department of Agriculture’s citrus crop forecast put Florida’s orange estimate at 43.5 million boxes. If realized, it would represent an 18% decline in the crop from last season. Growers are turning over every stone to seek …

citrus

All In for Citrus Podcast, February 2022

Josh McGillAll In For Citrus Podcast

The Florida legislative session is well underway in Tallahassee. The University of Florida hosted its annual Gator Day at the Capitol in February to remind lawmakers of all that the school does for its students and stakeholders. Michael Rogers, director of the Citrus Research and Education Center, and fellow citrus team members from the University of Florida Institute of Food …

Achieving Water and Nutrient Efficiency

Josh McGillIrrigation, Nutrition, Research

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers emphasized the importance of efficient irrigation and nutrient management at a workshop earlier this month at the Citrus Research and Education Center in Lake Alfred. In Florida, the citrus industry accounts for about 30% of irrigated cropland acreage, reported UF/IFAS researcher Alisheikh Atta. Worldwide, the agriculture industry consumes about …

citrus acreage

Row Crop Farmers Starting to Grow Citrus

Josh McGillAlternative Crops, Citrus, Florida, Georgia

Citrus acreage continues to increase across the North Florida, South Georgia and South Alabama regions. Interest has expanded to large row crop farmers, who see citrus as a viable alternative crop, said Kim Jones at the Feb. 17 Citrus Health Forum meeting at the University of Florida Institute of Food and Agricultural Sciences North Florida Research and Education Center. Jones …

Florida Citrus Growers Say Freeze Damage Still Unfolding

Tacy Calliesfreeze

With more than two weeks past since the late January freeze in Florida, citrus growers are still assessing the fallout. Some key production regions saw the coldest temperatures in years. With HLB endemic, there’s a lot of unknowns how trees will react to the stress the cold temperatures induced. However, some growers didn’t have to wait to see damage to …

Florida citrus

Pests and Diseases in Trees With IPCs

Josh McGillHLB Management, Research

All indications are that the recent widespread use of individual protective covers (IPCs) on young citrus trees in Florida is beneficial, especially for excluding Asian citrus psyllids and the HLB they spread. If there is any downside, it may be that some other pests and diseases are more prevalent under IPCs. In a recent American Society for Horticultural Science webinar, …

Can Zinc and Potassium Curb Fruit Drop?

Tacy CalliesFruit Drop

The Florida citrus industry has been focused on finding solutions to the fruit drop problem that has hit groves hard in recent years. During the 2022 Florida Citrus Show in Fort Pierce, Fernando Alferez, University of Florida Institute of Food and Agricultural Sciences, assistant professor of citrus horticulture, presented findings from a research trial aimed at reducing fruit drop. The …

Foliar Fungal Disease Round-up for 2022

Josh McGillDiseases, Florida, Fruit Drop

By Megan Dewdney The 2021 foliar fungal season was an easier than average year. The La Niña weather pattern predicted last fall came to pass, and the spring was relatively dry from January to the end of May with some rain in February and April. While citrus trees in Florida were likely drought-stressed, the dry weather slowed the usual decomposition …

Trial Confirms Benefits of IPCs

Josh McGillFlorida, HLB Management, Pests

Individual protective covers (IPCs) on citrus trees have become a more common sight in Florida groves in recent years. The bags that cover young trees exclude the Asian citrus psyllid (ACP) from feeding on the plants, thus protecting them from HLB. Some estimates suggest that more than 1 million IPCs are now deployed in the state’s citrus groves. During the …

Keep Leprosis From Re-entering Florida

Josh McGillDiseases, Florida

Citrus leprosis has not been reported in Florida since 1968, but researcher Ozgur Batuman called it “an approaching threat to Florida citrus” in a recent virtual seminar. Batuman, a citrus pathologist at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education Center, urged growers to be on the lookout for the disease. According …

Produce Safety Rule

Workshop to Focus on Irrigation and Nutrition

Josh McGillEducation, Irrigation, Nutrition

Citrus growers depend on the latest information about best irrigation and nutrition strategies for growing productive trees. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers will share recent results regarding optimal crop management at a workshop and field visit opportunity on Feb. 8 at the Citrus Research and Education Center (CREC) in Lake Alfred. Davie Kadyampakeni, assistant …

Achieving Successful Nursery-Grower-Researcher Partnerships

Josh McGillResearch, Rootstocks, Tip of the Week

By Bill Castle, Fred Gmitter and Jude Grosser The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) plant improvement team has long been engaged in field research to evaluate new scions and rootstocks. That effort continues and has involved trials on public and private property. While public sites are valuable, they are …

Avoid Phytophthora When Planting

Josh McGillDiseases, Research

Phytophthora infection can lead to severe stunting in newly planted citrus trees, researcher Megan Dewdney told growers and others at a Jan. 19 presentation at the Citrus Research and Education Center in Lake Alfred, Florida. She said stunted trees never thrive or produce adequate fruit. Dewdney is a University of Florida Institute of Food and Agricultural Sciences plant pathologist. She …

CRDF Funds Fruit Drop Research, Hears Antibiotic Presentations

Josh McGillDiseases, Research

The Citrus Research and Development Foundation (CRDF) governing board on Jan. 25 approved a project aimed at reducing fruit drop by using potassium, zinc, gibberellic acid and the herbicide 2,4-D in different timing scenarios. The funding will allow University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher Fernando Alferez to finish two years of work that CRDF Chief …

citrus

Citrus Recovery Act Seeks to Update Florida Citrus Commission

Josh McGillFlorida, Florida Citrus Commission, Regulation

It is set to be a busy legislative session for agricultural interests in Florida. One of the bills making its way through the process is SB 1002, the Citrus Recovery Act. Sen. Danny Burgess (R-District 20) introduced the bill to amend the Florida Citrus Commission (FCC). The FCC is the governing body of the Florida Department of Citrus. The Citrus …

Preying on Asian Citrus Psyllids and Other Pests

Josh McGillHLB Management, Pests

By Jawwad A. Qureshi and Azhar A. Khan The Asian citrus psyllid (ACP), Diaphorina citri, invaded Florida over two decades ago. The need to consistently suppress it became apparent soon after detection and particularly after discovering huanglongbing (HLB) disease, which it spreads. Managing HLB depends strongly on vector control to either reduce disease transmission of healthy trees or reinoculation. Single …