Monica Ozores-Hampton

University of Florida | UF · Department of Horticultural Sciences

Florida had the largest fresh-market tomato (Solanum lycopersicum L.) production in the United States, with a value of $437 million and 13,355 ha harvested in 2014. Despite the development of Best Management Practices (BMPs) and University of Florida/Institute of Food andAgricultural Sciences (UF/IFAS) fertilizer recommendations, tomato growers oft...

Florida best management practices include the use of controlled-release fertilizers (CRFs), which are soluble nutrients coated with a resin, polymer, sulfur, or a polymer covering a sulfur-coated urea. The purpose of this study was to compare the effects of three CRFs (coated, homogenized NH4NO3 and urea, and coated KNO3) rates in a hybrid CRF/solu...

Controlled-release fertilizer (CRF) use is a best management practice that may reduce nitrogen (N) loss to the environment. Several factors affect CRF nutrient release; therefore, including CRF in a fertilization program may have challenges. Thus, the study objective was to evaluate the effects ofCRFN rate, source, release duration, and placement o...

Compact growth habit (CGH) tomatoes (Solanum lycopersicum) are determinate plants with shortened internodes and strong side branching due to the brachytic gene (br) that grow either prostrate or upright as a result of unidentified gene(s). Compact growth habit tomatoes do not require staking, tying, or pruning and can potentially be mechanically ha...

Determination of nutrient release duration from controlled-release fertilizers (CRFs) or soluble fertilizers encapsulated in polymer, resin, or sulfur covered fertilizer coated with a polymer differs among manufacturers, but may be determined as 75% to 80% nitrogen (N) release at a constant temperature (e.g., 20 to 25 8C). Increases or decreases in...

Growth and economic models for E. grandis in mulch wood rotations, for E. grandis and E. grandis x E. urophylla cultivars grown as short-rotation woody crops (SRWC), including coppicing, for E. grandis in windbreaks (WB), with and without soil amendments including biochar (BC) and the slow-release fertilizer Green Edge (SRF, GE), and for E. grandis...

Compost is a class of soil amending products that improves the physical, chemical, and biological properties of soils, resulting in better plant health and environmental quality. This chapter describes the practices and benefits of compost in a wide array of uses in agricultural, horticultural, viticulture, forestry, urban landscape, and greenhouse...

Calcareous soils are those that have free calcium carbonate (CaCO3) and have pH values in the range of 7.0 to 8.3. If they are managed properly, calcareous soils can be used to grow any crop. Before employing any management practices, it is important to know how much carbonate exists in the soil. Soil carbonate is usually quantified by acid dissolu...

En esta publicación se presenta el léxico técnico de riego por goteo en dos secciones. En la primera sección se describen en orden alfabético los términos y sus definiciones en español. En la segunda sección se enlista de forma alfabética los términos y sus definiciones en inglés. En ambas secciones, cada término incluye entre paréntesis su respect...

Common bean is an important crop, consumed as green-shelled bean in several countries. In Chile, green-shelled beans are cultivated often as a dry land crop, vulnerable to drought. The objective of this study was to characterize the hydric and productive responses of four green-shelled bean genotypes subjected to deficit irrigation in order to outl...

With the phase-out of methyl bromide due to its impact on ozone depletion, research has focused on developing alternative chemical and biologically based soil disinfestation methods. Anaerobic soil disinfestation (ASD) was developed to control plant-parasitic nematodes, weeds, and soilborne pathogens. However, whether farmers will adopt ASD methods...

Anaerobic soil disinfestation (ASD) is a relatively new technique that appears to be a promising tool for soilborne pest management and crop production improvement. This new 5-page publication of the UF/IFAS Horticultural Sciences Department is intended to introduce ASD for Florida vegetable growers. Written by Bodh R. Paudel, Francesco Di Gioia, Q...

Insufficient or suboptimal dietary intake of iron (Fe) and zinc (Zn) represent a latent health issue affecting a large proportion of the global population, particularly among young children and women living in poor regions at high risk of malnutrition. Agronomic crop biofortification, which consists of increasing the accumulation of target nutrient...

Background: Fumigated, anaerobic soil disinfestaion-treated (ASD), and organic-amended soil management strategies have been investigated as potential methyl bromide (MBr) alternatives for controlling diseases, nematodes, and weeds in soil. Nutsedge and broadleaf weed control using fomesafen has been reported to be comparable to MBr in normal cropp...

This document integrates information that was presented at the Sand Land Workshop, held at the Dallas B. Townsend Hendry County Extension Center, LaBelle, Florida, 2003, dealing with the production of sugarcane on the mineral soils of southwest Florida. This document reviews challenges facing sugarcane growers dealing with soils, water management,...

This 34-page fact sheet is chapter 10 of the 2018 Vegetable Production Handbook. Written by Christian F. Miller, Qingren Wang, Ramdas Kanissery, Eugene J. McAvoy, Monica Ozores-Hampton, Richard N. Raid, Crystal A. Snodgrass, Julien Beuzelin, Dakshina R. Seal, Alicia J. Whidden, and Shouan Zhang, and published by the Horticultural Sciences Departmen...

This 29-page fact sheet is chapter 9 of the 2018 Vegetable Production Handbook. Written by Monica Ozores-Hampton, Ramdas Kanissery, Richard N. Raid, Johan Desaeger, Joseph, W. Noling, Julien Beuzelin, and Christian F. Miller, and published by the Horticultural Sciences Department, 2018. HS728/CV293: Chapter 9. Leafy Vegetable Production (ufl.edu)

This 28-page fact sheet is chapter 7 of the 2018 Vegetable Production Handbook. Written by Josh H. Freeman, Eugene J. McAvoy, Nathan S. Boyd, Monica Ozores-Hampton, Mathews Paret, Qingren Wang, Christian F. Miller, Johan Desaeger, Joseph W. Noling, and Xavier Martini, and published by the Horticultural Sciences Department, 2018. HS725/CV123: Chapte...

This 16-page fact sheet is chapter 17 of the 2018 Vegetable Production Handbook. Written by Monica Ozores-Hampton, Ramdas Kanissery, Eugene J. McAvoy, Richard N. Raid, and Julien Beuzelin, and published by the Horticultural Sciences Department, 2018. HS737/CV135: Chapter 17. Sweet Corn Production (ufl.edu)

This 23-page fact sheet is chapter 11 of the 2018 Vegetable Production Handbook. Written by Monica Ozores-Hampton, Peter J. Dittmar, Eugene J. McAvoy, Dakshina R. Seal, Shouan Zhang, Josh H. Freeman, and Qingren Wang, and published by the Horticultural Sciences Department, 2018. HS727/CV125: Chapter 11. Legume Production (ufl.edu)

This 33-page fact sheet is chapter 13 of the 2018 Vegetable Production Handbook. Written by Monica Ozores-Hampton, Nathan S. Boyd, Eugene J. McAvoy, Christian F. Miller, Johan Desaeger, Joseph W. Noling, and Gary E. Vallad, and published by Horticultural Sciences Department, 2018. HS732/CV130: Chapter 13. Pepper Production (ufl.edu)

This 35-page fact sheet is chapter 15 of the 2018 Vegetable Production Handbook. Written by Peter J. Dittmar, Eugene J. McAvoy, Monica Ozores-Hampton, Richard Raid, Hugh A. Smith, Bonnie Wells, Julien Beuzelin, Johan Desaeger, Joseph W. Noling, Lincoln Zotarelli, Shouan Zhang, Christian F. Miller, and Qingren Wang, and published by the Horticultura...

This 19-page fact sheet is chapter 12 of the 2018 Vegetable Production Handbook. Written by Peter J. Dittmar, Eugene J. McAvoy, Monica Ozores-Hampton, Richard N. Raid, Pamela Roberts, Hugh A. Smith, Xavier Martini, Johan Desaeger, Joseph W. Noling, Shouan Zhang, and Lincoln Zotarelli, and published by the Horticultural Sciences Department, 2018. HS...

This 21-page fact sheet is chapter 6 of the 2018 Vegetable Production Handbook. Written by Lincoln Zotarelli, Peter J. Dittmar, Monica Ozores-Hampton, Nicholas S. Dufault, Bonnie Wells, Johan Desaeger, Joseph W. Noling, Eugene J. McAvoy, Qingren Wang, and Christian F. Miller, and published by the Horticultural Sciences Department, 2018. HS724/CV122...

This 45-page fact sheet is chapter 18 of the 2018 Vegetable Production Handbook. Written by Josh H. Freeman, Eugene J. McAvoy, Nathan S. Boyd, Ramdas Kanissery, Monica Ozores-Hampton, Hugh A. Smith, Johan Desaeger, Joseph W. Noling, and Gary E. Vallad, and published by the Horticultural Sciences Department, 2018. HS739/CV137: Chapter 18. Tomato Pro...

This 7-page fact sheet is chapter 2 of the 2018 Vegetable Production Handbook. Written by Guodong Liu, Eric H. Simonne, Kelly T. Morgan, George J. Hochmuth, Monica Ozores-Hampton, Shinsuke Agehara, and Rao Mylavarapu, and published by the Horticultural Sciences Department, 2018. CV296/CV296: Chapter 2. Fertilizer Management for Vegetable Production...

This 27-page fact sheet is chapter 8 of the 2018 Vegetable Production Handbook. Written by Eugene J. McAvoy, Nathan S. Boyd, Monica Ozores-Hampton, Pamela D. Roberts, Johan Desaeger, Joseph W. Noling, and Hugh A. Smith, and published by the Horticultural Sciences Department, 2018. HS726/CV124: Chapter 8. Eggplant Production (ufl.edu)

In the search for alternative practices to chemical soil fumigation (CSF), anaerobic soil disinfestation (ASD) has proven to be a promising tool for soil-borne pest management and crop production improvement. The ASD treatment with composted poultry litter (CPL) and molasses (M, a labile carbon source) was identified as an effective approach for a...

Core Ideas The partitioning of P uptake to fruit was maximized at 72 kg ha ⁻¹ in 2014. Increasing P rate linearly increased P concentrations in both soil and leachate. Efficiency of converting P fertilizer into yield decreased with increasing P rate. The rate 56 kg ha ⁻¹ was considered the sufficient P rate based on tomato yield. Understanding P a...

Florida is the largest fresh-market tomato ( Solanum lycopersicum L.)–producing state in the United States. Although vegetable production requires frequent water supply throughout the crop production cycle to produce maximum yield and ensure high-quality produce, overirrigation can reduce crop yield and increase negative environmental consequences....

Plant-parasitic nematodes pose a problem in agricultural systems by feeding on crops, therefore affecting their yield. Fluensulfone is a chemical that can be applied using various methods to manage the impact of plant-parasitic nematodes on crop production. This 6-page document discusses the characteristics and use of fluensulfone as a tool for nem...

Core Ideas Water was ineffective to estimate K availability in calcareous soils in Florida. Both Mehlich‐3 and AB‐DTPA can be used to calibrate K rates in calcareous soils. High K level was above 213 and 183 mg kg –1 with Mehlich‐3 and AB‐DTPA, respectively. Potassium application rates based on a reliable soil testing method are critical for maxim...

Core Ideas Potassium input at early growth stage should be low when initial soil K level was high. Increasing K rate reduced the proportion of K uptake distributed to tomato fruits. Efficiency of converting K fertilizer into yield decreased with increasing K rate. Potassium rate of 192 kg ha –1 was considered the sufficient total K input. Knowledg...

After the phase-out of methyl bromide (MeBr) and the constant challenges of root-knot nematodes (RKNs, Meloidogyne spp.), the need to evaluate the efficacy of additional alternatives in tomato (Solanum lycopersicum L.) production is vital. Fluensulfone (Nimitz, ADAMA Agricultural Solutions Ltd., Raleigh, NC) is a true, contact nematicide developed...

Phosphorous (P) has a significant role in root growth, fruit and seed development, and plant disease resistance. Currently, no P fertilizer recommendations are available for vegetables grown on calcareous soils in Florida. The objective of this study was to evaluate the impact of different P rates on leaf tissue P concentration (LTPC), plant growth...

Citrus trees affected by huanglongbing (HLB) become diminished, weak, and develop dieback resulting in reduced production. Decline in fruit yield ultimately prevents economically acceptable commercial citrus production. The objectives of this study were to evaluate the effects of severe pruning in combination with an enhanced foliar nutritional tre...

Florida produces the most vegetables in the United States during the winter season with favorable weather conditions. However, vegetables grown on calcareous soils in Florida have no potassium (K) fertilizer recommendation. The objective of this study was to evaluate the effects of K rates on leaf tissue K concentration (LTKC), plant biomass, fruit...

Powdery Mildew on Nasturtium in South Florida Powdery mildew, which is caused by the fungus Leveillua rutae (syn. Oidiopsis haplophylli) on nasturtium (Tropaeolum majus L.), was found in southwest Florida for the first time in 2015 (Fayette et al. 2016). This two-page fact sheet describes the pathogen, its symptoms, and how to manage it. Written by...

Localized applications of fertilizers are alternatives to broadcast applications across the entire field surface for economic, environmental and technological reasons. These alternative methods are the modified broadcast method, the banding application method, and the fertigation method used with drip irrigation . Beginning with the scientifically...

Anaerobic soil disinfestation (ASD) has potential as an alternative to chemical-fumigation for controlling soilborne pathogens and pests. Previously, control of nutsedge was sub-optimal and the quantity of inputs for commercial production was an impediment to adoption. Field studies were conducted in Citra and Immokalee, Florida to assess the effec...

Raised-bed plasticulture, an intensive production system used around the world for growing high-value crops (e.g., fresh market vegetables), faces a water-food nexus that is actually a food-water-energy-land-economic nexus. Plasticulture represents a multibillion dollar facet of the United States crop production value annually and must become more...

Compost is primarily a soil-amending product that may improve soil quality and the productivity of organic and conventional vegetable crops. Growers can use compost as a soil conditioner or as nutrient source to supplement the fertility program in vegetable production. Nutrients such as nitrogen, phosphorous, and potassium may be low. To lower the...

Anaerobic soil disinfestation (ASD) is proposed as a pre-plant, non-chemical soil disinfestation technique to control several soilborne phytosanitary issues. Limited information is available on the impact of ASD on soil fertility, plant growth, and potential nutrient loss. The objectives of the current study were to evaluate the effects of ASD appl...

Developing a fast and reliable soil testing method is critical for improving soil testing efficiency and ensuring reliable fertilizer recommendation. The objectives of this study were to evaluate Mehlich-3 (M-3) as a replacement for ammonium bicarbonate- diethylenetriaminepentaacetic acid (DTPA) (AB-DTPA) to extract phosphorus (P) and potassium (K)...

Anaerobic soil disinfestation (ASD) is a non-chemical soil disinfestation technique increasingly proposed for the control of soil-borne pathogens, plant parasitic-nematodes, and weeds in different crops. The technique consists of amending the soil with a readily available carbon (C) source, tarping the soil with impermeable mulch, and irrigating th...

Anaerobic soil disinfestation (ASD) represents a promising non-chemical alternative to soil fumigation (SF) as it demonstrated to be effective against soil-borne diseases, plant-parasitic nematodes, and weeds in several crop production systems. However, limited knowledge is available on the effects of ASD on plant growth, yield, and quality. Theref...

Summer squash is an important vegetable crop in Miami-Dade County. It is grown annually on about 6,000 acres and sold nationwide during the winter in the fresh market. This 16-page fact sheet describes the varieties of summer squash, land preparation and transplanting, what fertilizer to use, irrigation and freeze protection, disease management, in...

The effectiveness of measuring petiole sap nitrate-nitrogen concentration (PSNC) using ion selective electrode (ISE) has been scrutinized due to claims that PSNC poorly predicts leaf tissue nitrogen concentration (LTNC) or crop yield. This study evaluated the relationship among PSNC, LTNC, and marketable yield of tomato (Solanum lycopersicum L.). T...

Anaerobic soil disinfestation (ASD) is considered a promising sustainable alternative to chemical soil fumigation (CSF), and has been shown to be effective against soilborne diseases, plant-parasitic nematodes, and weeds in several crop production systems. Nevertheless, limited information is available on the effects of ASD on crop yield and qualit...

Organic agriculture is an industry sector that has been experiencing steady global growth in recent years. The United States is ranked first in organic food consumption, followed by Germany and France. In 2014, the estimated market value of organic foods in the U.S. was $42 billion; 43% of this total was attributed to produce (fruits and vegetables...

When raising crops on calcareous soils, growers need to know how much calcium carbonate is in the soil before they can employ any management practices. Growers can test the level of carbonate in their soils using store-bought vinegar and other household supplies. This 2-page fact sheet explains the chemistry behind the vinegar test and gives instru...

http://apsjournals.apsnet.org/doi/full/10.1094/PDIS-06-15-0697-PDN

An urban pollutant loading model was used to demonstrate how incorrect assumptions on the particle size distribution (PSD) in urban runoffcan alter the design characteristics of stormwater control measures (SCMs) used to remove solids in stormwater. Field-measured PSD, although highly variable, is generally coarser than the widely-accepted PSD char...

In terms of acreage, snap beans are the most commonly grown vegetable in Miami-Dade County. This 4-page fact sheet outlines the impact of fertilizer use and local weather and soil on snap bean production in this region. Written by Monica Ozores-Hampton, Qiang Zhu, and Yuncong Li, and published by the UF Department of Horticultural Sciences, May 201...

Controlled-release fertilizers (CRFs), a vegetable production best management practice in Florida, are soluble fertilizers (SFs) coated with a polymer, resin, or a hybrid of polymer coating sulfur-coated urea. In 1994, a Controlled Release Fertilizer Taskforce developed an accelerated temperature-controlled incubation method (ATCIM) to predict colu...

Controlled-release fertilizers (CRFs), a vegetable production best management practice in Florida, are soluble fertilizers (SFs) coated with a polymer, resin, or a hybrid of polymer coating sulfur-coated urea. In 1994, a Controlled Release Fertilizer Taskforce developed an accelerated temperature-controlled incubation method (ATCIM) to predict colu...

In the last years, demand for peppers and pepper-based products has increased significantly around the world. The non-pungent form is widely used as a green vegetable while Hot or Chili pepper is one of the best-selling condiments. This higher demand is explained in parts because of enhanced functional properties and health benefits (beta carotene,...

Bacterial leaf spot (BLS), caused by the bacterium, Xanthomonas euvesicatoria, is one of the most serious diseases of pepper in Florida. Infection can markedly reduce yields and fruit symptoms reduce marketability. Bacterial leaf spot of pepper is a serious disease because it has a high rate of transmission, especially during periods with wind driv...

Relatively warm winter temperatures in south Florida is an ideal location for winter vegetable production. Palm Beach County is the national leader in bell pepper production with 5,500 acres the US. The challenges for Palm Beach County pepper growers include the subtropical environment of south Florida which supports year-round pest populations. Th...

Phytophthora root and crown rot, caused by the oomycete Phytophthora capsici Leonian, is an important soil-borne plant disease that causes economic losses on important fruit and vegetable crops such as bell pepper, eggplant, summer squash, tomato, and watermelon in Florida. This plant pathogen has a major economic impact on crop production in Calif...