Selecting the Right Leaves for Sampling

Josh McGillNutrition, Tip of the Week

By Jamie D. Burrow and Tripti Vashisth With the increased cost and limited availability of fertilizer, purchasing decisions are more important now than ever. Collecting the right leaves for sampling is the first step to making fertilizer decisions. Leaf samples should consist of 100 leaves that are 4- to 6-month-old spring flush leaves taken from nonfruiting branches. WHY LEAVES FROM …

Experimenting With Cover Crops: Results From Three Years of Trials

Josh McGillCover Crops, Research, weeds

By Sarah Strauss, Antonio Castellano-Hinojosa, Davie Kadyampakeni, Ramdas Kanissery and Tara Wade Cover crops, which are planted specifically for soil enhancement and not for sale or harvest, can improve soil conditions and production for a variety of crops. However, there have not been many studies documenting changes to soil conditions and production when using cover crops in citrus. The University …

Citrus Industry Priorities Highlighted at GCGA Annual Meeting

Josh McGillEvents, Legislative

Citrus industry growers and allied members of the Gulf Citrus Growers Association (GCGA) gathered in Fort Myers last week for the association’s annual meeting. Matt Joyner, executive vice president/CEO of Florida Citrus Mutual, recapped Florida’s 2022 legislative session and touched on some other priorities during his address to the group. Joyner said the legislative session was a strong one for …

Nutrient Application Rates Bill Signed Into Law

Josh McGillLegislative, Nutrition

Florida Citrus Mutual Executive Vice President/CEO Mathew Joyner announced that Gov. Ron DeSantis signed SB 1000, the Nutrient Application Rates bill. Joyner called SB 1000 “a critical piece of legislation.” See the full text of the new law here. The law takes effect July 1. “Sponsored by Senator Ben Albritton and Representative Lawrence McClure, the bill had previously passed both …

Ag Groups Want Glyphosate Case Heard

Josh McGillLegal, Pesticides

A total of 54 agricultural organizations have voiced concern regarding the possibility of a detrimental precedent being set. A letter was sent to President Joe Biden outlining concerns related to an amicus brief that was recently submitted to the U.S. Supreme Court (SCOTUS). In the brief, Solicitor General Elizabeth Prelogar advises SCOTUS against hearing a case related to glyphosate and …

Australia Evaluating Dwarfing Rootstocks

Josh McGillInternational, Research, Rootstocks

Tahir Khurshid of Australia’s New South Wales Department of Primary Industries (NSW DPI) is leading a project evaluating several overseas rootstocks budded to a range of mandarin and sweet orange varieties. One of the components is evaluating the rootstocks for their dwarfing effect, which will potentially produce small trees for high-density planting systems for the citrus industry.   Size-controlling rootstocks have …

Heritage Practices for Today’s Challenges

Josh McGillCover Crops, Soil Improvement

By Brad Turner Cover cropping and composting in Florida citrus production are not new concepts. Our ancestors understood the basic principles and implemented these practices just a couple of generations ago. YESTERDAY AND TODAYAs a boy, I can remember an old citrus grower telling me how beggarweed and crotalaria, both native nitrogen-fixing legumes, growing wild in neighboring fields would be …

Sneak Peek: June 2022 Citrus Industry

Josh McGillNutrition, Sneak Peek, soil

In the quest to keep HLB-infected citrus trees productive, many growers are turning to techniques to improve soil health. That’s the focus of the June issue of Citrus Industry magazine. The hope is that better soil health will lead to better tree health. Methods under study include compost, cover crops and oak mulch. Citrus grower and consultant Brad Turner makes …

Uncle Matt’s Organic Launches Low-Calorie OJ

Josh McGillIndustry News Release, Orange Juice

Uncle Matt’s Organic recently announced the launch of its Matt50 orange juice beverage. Matt50 contains half the sugar and calories of regular orange juice and is boosted with Vitamin C, prebiotics, probiotics, calcium, potassium and folate. Susan McLean, Uncle Matt’s Organic vice president of marketing and innovation, said Matt50 contains just 50 calories per serving. It is sweetened with organic stevia, a …

nutrient availability

Keeping Soil pH at the Optimal Level

Josh McGillNutrition, soil

By Brandon White This time of year is the end of the peak nutrient demand for citrus trees. Regardless of the types of fertilizer or inputs applied in the groves, trees have been taking up nutrients while growing in full tilt during the spring season. One of the greatest factors determining how well trees take up nutrients is soil pH. …

An Alternative Approach to Citrus Greening

Josh McGillCitrus Greening, Florida, HLB Management

“Life as a citrus grower is a perilous journey,” says Chip Henry. Among the toughest perils the third-generation Florida grower has endured are the freezes of the 1980s, the threat of losing his land to highway construction, and the scourge of citrus greening. Henry’s story begins with the founding of O.E. McGuire Groves in Apopka by his maternal grandparents in …

florida

Integration of Nutrition and Crop Protection Products

Josh McGillNutrition, Pesticides, Research

By Davie Kadyampakeni and Evan Johnson In the era of citrus greening disease (huanglongbing, HLB), maintaining optimal nutrition and disease/pest management strategies is critical for avoiding adverse effects on tree performance. Use of the right fertilization rate, timing and placement are important for optimal citrus production. In a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research study, …

Foliar Potassium and Boron Can Improve Mandarin Yield and Quality

Josh McGillNutrition

By Tripti Vashisth and Faisal Shahzad Mandarin production has been increasing in Florida since some mandarin varieties can potentially withstand HLB better than sweet orange varieties. Mandarin varieties such as Tango are popular among growers. However, Florida weather poses challenges for the external fruit quality; the peel color is often not satisfactory. Warm night temperatures in fall inhibit chlorophyll breakdown, …

Biostimulants and Cold-Hardy Citrus

Josh McGillBiostimulants, Florida, Research

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) is asking fruit growers in North Florida, Alabama and Georgia to take a survey about crop biostimulants. UF/IFAS will use the results to better help those growers with the use of biostimulants and direct future research and Extension education programs. Those participating in the anonymous survey are asked to …

Phosphorus Recommendations and Soil pH Amendments

Josh McGillHLB Management, Nutrition, Soil Improvement

By Kelly T. Morgan and Davie Kadyampakeni Most information provided in the 2020 3rd edition of Nutrition of Florida Citrus Trees is still sound for healthy citrus trees under Florida production conditions. Past information on nutrients, application methods, leaf and soil sampling, and irrigation scheduling are also effective for management of huanglongbing (HLB)-affected trees. However, research conducted since HLB was …

Nutritional Lessons Learned From the Field and in the Wild

Josh McGillNutrition

By Brad Turner In the 1970s, the majority of my family’s groves in Hillsborough, Polk and Hardee counties remained on a 25-foot by 25-foot setting or wider. Most of these “old school” blocks received several light cultivations in both directions, two fertilizations and two foliar sprays per season. These groves contained some of the most grand and bountiful trees in …

legislative

Legislative Session Positive for Florida Ag

Josh McGillAgriculture, Florida, Legislative

The state legislative session was among the topics discussed at the March 21 Florida Agricultural Policy Outlook Conference. The annual event was held at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Mid-Florida Research and Education Center in Apopka. More than 100 people attended the conference, either in-person or virtually. John Walt Boatright, director of national affairs …

Soil Is Key to Setting Up Trees for Success

Josh McGillAgriculture, Nutrition, Soil Improvement

By Brad Turner As I started my regenerative journey five years ago, it conjured up memories of walking the family groves in the 1970s with my freshly sharpened eye hoe. I would follow the tractor as it pulled the offset chopper, crisscrossing between the widely spaced trees in all directions. The native grasses and broadleaf plants — including legumes like …

Highlights From Highlands Citrus Growers Meeting

Josh McGillCitrus, Florida

Growers and industry stakeholders recently gathered in Sebring, Florida, to celebrate the 32nd annual meeting of the Highlands County Citrus Growers Association (HCCGA). LEADERS ELECTEDNew HCCGA officers and directors were elected. Officers for the 2022 board of directors include: Emma Ezell, president  Hank Crutchfield, vice president Charlie Wilson, treasurer Aaron Nelson, secretary New board members are Joe Collins, Billy Barben, …

Lemon Production in Turkey to Skyrocket

Ernie NeffExport/Import, International

Lemon production in Turkey is expected to increase 27% to 1.4 million metric tons (MT) in 2021-22, the U.S. Department of Agriculture’s Foreign Agricultural Service reported recently. Last season, lemon production reached 1.1 million MT. Producers are increasing orchard areas due to lemon’s profitability compared to other citrus fruits. The main problems reported by lemon producers in Turkey are diseases …