Keeping Florida Citrus Growers Informed
This publication contains brief summaries of current research being led by UF/IFAS citrus scientists located at UF/IFAS research centers in Gainesville, the Citrus Research and Education Center in Lake Alfred, Southwest Florida Research and Education Center in Immokalee and the Indian River Research and Education Center in Fort Pierce. This research advances our knowledge about growing citrus in Florida including fighting HLB, improved grove management, and better nutrition recommendations. While definitive recommendations and findings are still in development, these updates provide insights into our ongoing progress. Please contact the faculty listed with each summary for more information or to discuss their research. More resources are available on-line at citrusresearch.ifas.ufl.edu.
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| Introduction | ||
| Citrus Nutrient Management on HLB-affected Round Orange and Grapefruit Groves on Flatwoods and Ridge Soils-Macronutrients | ||
| Citrus Nutrient Management on HLB-affected Round Orange and Grapefruit Groves on Flatwoods and Ridge Soils-Micronutrients | ||
| Variable Rates of Iron: Impacts on Growth and Development of HLB-affected ‘Bingo’ Trees in Florida | ||
| Development of Root Nutrient and Fertilization Guidelines for Huanglongbing-affected Orange and Grapefruit Trees | ||
| Developing Site-Specific Nitrogen and Phosphorus Rates for Young and Mature Sweet Oranges, Grapefruits, and Mandarins in Florida | ||
| Silicon and Potassium to Improve Cold Hardiness in Citrus Production in North Florida | ||
| Leaf Sampling: Selecting the Right Leaf Makes a Difference | ||
| Measuring Soil Health in Florida Citrus Groves | ||
| Improved Irrigation Practices to Enhance Fruit Growth and Retention in Huanglongbing-affected Sweet Orange | ||
| Influence of Groundcovers on Citrus Yield and Water Use for Commercial Applications | ||
| Keeping Cool with Particle Films | ||
| Made in the Shade | ||
| Water Use Assessment of Huanglongbing affected Trees | ||
| Improving Soil Health with Cover Crops in Florida Citrus Groves | ||
| Citrus Growers’ Willingness to Pay for Cover Crops by Adoption Status | ||
| Applications of Plant Growth Regulators for Improvement of Huanglongbing-affected ‘Hamlin’ under Biotic and Abiotic Stress | ||
| Citrus Under Protective Screen (CUPS) | ||
| Citrus Under Protective Screen Provides Protection from Asian Citrus Psyllid and Other Pests | ||
| Strategies to Enhance Preemergence Herbicide Performance in Citrus | ||
| Assessing the Effects of Preemergence Herbicides on Citrus Root Growth | ||
| Evaluations of Trunk-Injected Oxytetracycline HCL in Florida Citrus | ||
| Trunk Injection of Imidacloprid for Asian Citrus Psyllid Management | ||
| To Inject into the Rootstock or the Scion? | ||
| Trunk Injection and Wounding | ||
| Trunk Injection of Oxytetracycline Increases Yield and Fruit Quality | ||
| Delivering Therapeutic Materials through Trunk to Treat Huanglongbing-affected Citrus Trees | ||
| Oxytetracycline Injections in Citrus: Cost Estimates for Early Adopters | ||
| Individual Protective Covers and Management of Soilborne Pests | ||
| Individual Protective Covers | ||
| Brassinosteroids and Fruit Quality and Yield | ||
| Combining Individual Protective Covers and Brassinosteroids to Prolong Young Citrus Tree Health | ||
| Developing Snail Management in Citrus Groves | ||
| Lebbeck Mealybug Seasonal Population Development | ||
| Chilli Thrips Population Dynamics in Citrus Under Protective Screen | ||
| Biologically-Based Management of Citrus Pests | ||
| Assessment of Asian Citrus Psyllid Populations and its Biological Control in High-Density Citrus Plantings | ||
| UV-Metalized Reflective Mulches for Asian Citrus Psyllid Suppression in Young Citrus Trees | ||
| Optimal Bt Toxins and Gene Silencing RNAs for Management of Asian Citrus Psyllid to Mitigate the Impact of Huanglongbing | ||
| Establishing Healthy Citrus Plantings in the Face of Persistent Huanglongbing Pressure | ||
| Combination of Essential Oils and Kaolin to Control Asian Citrus Psyllid | ||
| Paratransgenesis for Reducing Transmission of Vector-Borne Candidatus Liberibacter asiaticus | ||
| Antibacterial FANA Oligonucleotides as a Novel Approach for Managing the Huanglongbing Pathosystem | ||
| Toward a Reliable, Insect Cell Culture-based Technique for Culturing Candidatus Liberibacter asiaticus Bacteria |
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| Finding Phyllosticta citricarpa when Citrus Black Spot Cannot be Seen | ||
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| Can We Use an Insect Virus to Control Asian Citrus Psyllid in the Groves? | ||
| Field Trials with the Antimicrobial Peptide SAMP | ||
| What is Causing that Greasy Green Color on My Grapefruit? | ||
| Screening of Sweet Orange and Mandarin against Citrus Canker | ||
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Using Citrus Tristeza Virus-Based Vector as a Platform for the Management of Huanglongbing
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| Creating a Model to Understand the Pathogenicity Mechanism of Candidatus Liberibacter asiaticus | ||
| Approaches Toward Huanglongbing Tolerance | ||
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Novel Strategies for Huanglongbing Resistance or Tolerance in Citrus by Gene Editing
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Generation of Transgenic Huanglongbing Tolerant Citrus Varieties
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Development, Evaluation, and Delivery of Citrus Huanglongbing Management Approaches by
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| Multiple Non-transgenic CRISPR Gene Editing Tools are Joining the Force to Fight Huanglongbing | ||
| Hedging Sugar Belle® to Reduce Soft Fruit Incidence | ||
| ‘UF SunLime’ and ‘UF RedLime’: Two New Finger Lime Cultivars for the Specialty Citrus Market | ||
| Can Finger Limes Help ‘Valencia’ and ‘Hamlin’ Trees be More Tolerant of Huanglongbing? | ||
| Utilizing Genetic-based Solutions for Developing Huanglongbing Resistant Citrus | ||
| Evaluating Huanglongbing-Resistant Hybrids as Interstocks and Rootstocks | ||
| ‘Parson Brown’ and Other Early Season Sweet Oranges | ||
| Development of High Quality True Sweet Oranges to Replace ‘Hamlin’ | ||
| Three New Releases from the UF/IFAS CREC Citrus Breeding Program | ||
| Large-Scale Field Evaluation of Grapefruit Scion/ Rootstock Combinations to Identify Potential Tolerance Against Huanglongbing | ||
| Citrus Genome Sequencing to Support Modern Genetic Improvement in the Fight Against Huanglongbing | ||
| Progress with Rootstock Screening for Huanglongbing Tolerance or Resistance | ||
| New OLL Clones OLL-DC-3-36 and OLL-DC-3-40 Show Enhanced Huanglongbing Tolerance | ||
| Putative Deletion Mutant STR-4-1 of X639 Rootstock Shows Promise | ||
| Accelerating the Release of New Citrus Varieties through Alternate Temperature Treatment | ||
| Early Economic Performance of Selected Rootstocks in Commercial Settings | ||
| Identification of Natural Sweeteners and Sweetness Enhancers in Citrus | ||
| Effectiveness of Preharvest-applied Fungicides for Postharvest Diplodia Stem-end Rot Control on Grapefruit | ||
| Recovering from Hurricane Ian | ||
| Connecting Research to Get Better Huanglongbing Management Results | ||
| Social Media Links | ||