Cover Crops and Nematicides for Sting Nematode Management

Tacy CalliesPests

By Larry Duncan, Johan Desaeger and Sheng-Yen Wu The citrus row middle habitat changed profoundly beginning in the 1970s as mowing replaced disking for weed management. This change ended the costly cycle of cutting and regrowing citrus roots near the soil surface and reduced soil erosion, among other benefits. Mowing also allowed a seasonal succession of native plants to flourish, …

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Snails Posing Problems in Florida Groves

Ernie NeffPests

A snail causing problems in Highlands County and South Florida groves “appears to be popping up all over the state,” said entomologist Lauren Diepenbrock. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher identified the snails as Bulimulus sporadicus. “It was first documented in Florida in 2009,” Diepenbrock said. “Citrus is not the only crop to be …

Citrus Expo: New Format for Educational Sessions

Tacy CalliesCitrus Expo

While coronavirus will prevent the citrus industry from gathering this year at Citrus Expo, it will not stop growers from getting the education they need. The 2020 Citrus Expo educational program will be held live online Aug. 19–20 and will include door prizes. If you’re lucky, you could walk away with one of four $200 Bass Pro gift cards! The …

IRCL Names President, Discusses Grove Trial

Ernie NeffIndian River

The Indian River Citrus League (IRCL) recently named a new president and provided an update on a large grapefruit trial. The new IRCL president is Daniel Scott. He succeeds Pat Schirard, who served two terms. Before being selected president, Scott served as chairman of the IRCL production committee. Scott is a third-generation citrus grower and is vice president of Scott …

Citrus Professor Awarded by UF/IFAS Extension Peers

Tacy CalliesAwards, Industry News Release

Water is essential to citrus growers. They scrutinize the amount available, its quality and when and how they should use it to grow their trees and sustain their livelihood. Soil and water sciences assistant professor Davie Kadyampakeni works tirelessly with Florida citrus growers to ensure that they have access to the most current research in water use and soil nutrient …

Juice Imports, Fruit Prices and Production Costs

Ernie NeffEconomics

In a recent presentation titled “Juice Imports, Fruit Prices and Cost of Production,” Ariel Singerman provided the price and yield required to break even growing oranges in Southwest Florida. “Average cultural cost of $1,847 requires prices for E&M (early and mid) and Valencias to be $2.31 and $2.01 per pound solids, respectively, just to break even,” the University of Florida …

Intercropping in Nigerian Citrus Production

Tacy CalliesIntercropping

By Bernard Okafor Citrus is a commonly cultivated tree crop in Nigeria. It is in high demand because of its nutritional, economic and industrial values. Citrus cultivation in Nigeria is mainly under rainfed conditions in rainforest/derived guinea savanna zones of the country with the Sahel and Sudan savanna being drier parts and not very favorable for citrus production except under …

Fruit Drop of Citrus in Summer Months

Tacy CalliesProduction, Research

By Tripti Vashisth, Megan Dewdney and Lauren Diepenbrock This article summarizes what is known about summer fruit drop in healthy citrus trees and those with huanglongbing (HLB). Also discussed is how HLB can affect early fruit development and exacerbate fruit drop. Additionally, strategies to reduce summer fruit drop are included. Citrus flowers profusely, but less than 2 percent of the …

Antibiotics Used in Citrus

Tacy CalliesBactericides

A new University of Florida Institute of Food and Agricultural Sciences Extension document, Antibiotics in Crop Production, was published in May by Leigh Archer, Ute Albrecht and Pamela Roberts. The authors found that the use of antibiotics has resulted in the successful control of bacterial diseases in some crops but not in others. The publication includes research information on antibiotics …

Cover Crops Benefit California Citrus Grower

Len WilcoxCalifornia Corner, Cover Crops

A California citrus grower says he has substantially increased water retention and decreased irrigation usage by planting cover crops. Chris Sayer, of Petty Ranch, says he has added about 3 percent organic content to his soil, which has reduced irrigation water usage from 2 acre feet to 1.25 to 1.5 acre feet. Sayer is a fifth-generation Ventura County farmer. He …

HLB Brings Nutrition Guideline Changes

Ernie NeffHLB Management, Nutrition

An updated nutrition guide from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) provides new information for properly fertilizing HLB-impacted trees. Nutrition of Florida Citrus Trees, 3rd Edition was updated by researchers Kelly Morgan and Davie Kadyampakeni. Morgan, director of the Southwest Florida Research and Education Center, says growers have been requesting an update of the guide …

Reduce Fruit Drop, Increase Yield

Tacy CalliesIndustry News Release, Production, Research

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus scientists Tripti Vashisth and Fernando Alferez are trying to reduce the amount of fruit drop from Hamlin and Valencia trees prior to harvest. If fruit drops, growers can’t harvest it, and that leads to losses for farmers and less fruit at the market for consumers. Normally, about 10 to …

Control Phytophthora in Citrus Crops

Josh McGillSponsored Content

One of the most damaging pathogens for citrus crops continues to be Phytophthora, a soilborne pathogen that attacks the root systems and affects the entire citrus tree. As the pathogen degrades the tree’s root system, above ground symptoms such as slowed growth, chlorotic foliage and reduced fruit size intensify. Eventually, this may result in the death of the tree. Phytophthora can appear …

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20 Florida Farms to Conduct Hemp Research Trials

Ernie NeffAlternative Crops

Twenty commercial farms in 12 Florida counties have been selected to conduct on-farm hemp trials. The trials will be part of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Industrial Hemp Pilot Project. The farms are in different agricultural regions to provide a variety of conditions to study the growth and success of the crop across the …

Control Phytophthora in Citrus Crops

Josh McGillSponsored Content

One of the most damaging pathogens for citrus crops continues to be Phytophthora, a soilborne pathogen that attacks the root systems and affects the entire citrus tree. As the pathogen degrades the tree’s root system, above ground symptoms such as slowed growth, chlorotic foliage and reduced fruit size intensify. Eventually, this may result in the death of the tree. Phytophthora can appear …

Report Calls for Water Reforms to Avert Crisis

Tacy CalliesCalifornia Corner, Water

California citrus growers may soon face even more water hardships, according to a report by University of California, Berkeley economists David Sunding and David Roland-Holst. The report shows that the lack of responsible, balanced water reforms will lead to the loss of up to 20 percent of today’s working farms. According to data released by California State Assemblyman Jim Patterson, …

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Nutrients for the Grove: A Nurseryman’s Tips

Ernie NeffNutrition

By Aaron Himrod Good nursery growers are constantly monitoring their nutrition levels to produce well-nourished plants. While a grove owner cannot employ the same intensity of nutritional control as in an enclosed structure with consistent plant media, the principles apply in the field just as much in the nursery. A steady supply of comprehensive nutrition in the appropriate balance is needed …

nutrition

Updated Citrus Nutrition Guide Helps Growers Manage Greening

Daniel CooperCitrus Greening, Industry News Release

Florida citrus growers hit hard by citrus greening can benefit from University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) expertise in an updated book — the third edition of the Nutrition of Florida Citrus Trees. Greening, known scientifically as huanglongbing (HLB), has caused significant damage to Florida’s citrus industry. UF/IFAS scientists and Extension faculty have updated the guide …

California Lawsuit Over Water for Farmers

Tacy CalliesCalifornia Corner, Water

California Gov. Gavin Newsom has filed a lawsuit to stop the federal government from increasing water deliveries to California farmers, including growers in the citrus regions of Central and Southern California. The increased deliveries are needed to comply with new state requirements to improve groundwater recharge efforts. The increased deliveries came about by changes in biological opinions. Biological opinions are …

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FAWN Website Now Easier to Use

Daniel CooperIndustry News Release, Weather

The Florida Automated Weather Network (FAWN), a University of Florida-operated service aiding agricultural decision-makers statewide since 1997, relaunched its website with a new look and additional features. “Our main goal in revamping the site was to make it more efficient for users,” said Rick Lusher, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) project manager for FAWN. “One …