Here are the new and revised #EDISpubs in the Agriculture program area from September & October 2017.
· Economic Contributions of Agriculture, Natural Resources, and Food Industries in Florida in 2015
· Aquaculture: Myxozoans in aquaria and warm-water fish
· Crops:
o peanuts disease management, emerging sugarcane cultivars
o management strategies for supporting pollinators and improving soil water holding capacity, and
o using tools to make decisions with climate information.
· Citrus:
o 5 new chapters from the 2017-2018 Florida Citrus Production Guide
o Additional fact sheets on propagation, fertigation, epiphytic weeds, irrigation management for HLB-affected trees,
o Citrus Tree Care for the Home Gardener in the HLB Era
· Livestock: calf nutrition & performance
· Nursery & Greenhouse: new infertile lantana cultivars, liverwort, economic survey of the environmental horticulture industry, regenerated sabal palms
· Pesticide info: determining your WPS responsibilities
· Small farms: controlling ants in the apiary, laws governing agritourism operations
· Turf & Sod: soil testing for turfgrasses
| Agriculture |
| Economic Contributions of Agriculture, Natural Resources, and Food Industries in Florida in 2015, Executive Summary
An analysis was conducted using the Implan regional economic modeling system and associated state and county databases (IMPLAN Group LLC) to estimate economic multipliers and contributions for over 500 different industry sectors. Multipliers capture the indirect and induced economic activity generated by re-spending of income or sales revenues in a regional economy. A collection of 121 industry sectors were included in the analysis to represent the broad array of activities encompassed by agricultural and natural-resource commodity production, manufacturing, distribution and supporting services in Florida. Economic contributions can be measured in terms of employment, industry output, value added, exports, labor income, other property income, and business taxes. This three-page summary was written by Alan W. Hodges, Mohammad Rahmani, and Christa D. Court and published by the UF/IFAS Food and Resource Economics Department. |
| Aquaculture |
| Myxosporidiosis (Myxozoan Infections) in Warmwater Fish
This 8-page publication written by Justin Stilwell and Roy P. E. Yanong and published by the Program in Fisheries and Aquatic Sciences of the School of Forest Resources and Conservation discusses myxozoans (multi-celled parasites of marine and freshwater invertebrates and fishes). It provides examples of myxozoans that infect aquarium and warmwater fish; describes them and shows their sizes, shapes, and structures; explains their life cycles and how they are transmitted; presents some methods for diagnosing infections in fish; and gives advice for treatment, prevention, and control of myxozoan infections. |
| Crops |
| 2016 Evaluation of Foliar Fungicides for Disease Control in Peanut in Jay, FL
|
| A Guide to Planting Wildflower Enhancements in Florida
The establishment of native wildflower plantings in Florida can benefit agricultural producers as well as native pollinators and other beneficial insects. Wildflowers provide forage and nesting sites for bees, butterflies, and other pollinators, increasing wild bee numbers across the farm, and increasing natural enemies of insect pests. This 6-page fact sheet written by Mary C. Bammer, Josh Campbell, Chase B. Kimmel, James D. Ellis, and Jaret Daniels and published by the UF/IFAS Department of Entomology and Nematology discusses choosing the right mix of native plant species to benefit many pollinator species, as well as proper site selection, planting practices, and weed control techniques. Wildflower plots are practical to manage, maximize benefits to wildlife, and fit well into overall agricultural operation management practices. |
| Raising Soil Organic Matter Content to Improve Water Holding Capacity
Just like a sponge, soils with high organic matter (OM) can absorb and hold water during rainfall events and deliver it to plants during dry spells. Water is increasingly becoming the most limited natural resource supporting agriculture, but growers can improve their water storage capacity by raising their soil’s OM content. This 5-page fact sheet demonstrates how soil OM content can help increase water holding capacity of soils and describes the laboratory procedure to measure WHC. Written by Jehangir H. Bhadha, Jay M. Capasso, Raju Khatiwada, Stewart Swanson, and Christopher LaBorde, and published by the UF/IFAS Department of Soil and Water Sciences, October 2017. |
| Sugarcane Cultivars Descriptive Fact Sheet: CPCL 97-2730 and CPCL 00-4111
CPCL 97-2730 and CPCL 00-4111 are emerging sugarcane cultivars in Florida with rapid expansion in last couple of years. Both were ranked among the top 10 sugarcane cultivars in Florida in the 2015 Sugarcane Variety Census (VanWeelden et al. 2016) based on their total acreage. High biomass yield and better rust resistance greatly improve the chances of the cultivars’ adoption by growers. This fact sheet provides basic information and yield and disease information about CPCL 97-2730 and CPCL 00-4111 to assist growers in decision-making related to further expansion of these cultivars. Written by Hardev Sandhu and Wayne Davidson, and published by the UF/IFAS Agronomy Department, May 2017. |
| What Is the ENSO Climatology Tool?
On a global scale, periodic anomalies in sea surface temperatures coupled with shifts in atmospheric pressure and winds, such as those associated with the El Niño Southern Oscillation (ENSO), can have profound impacts on weather conditions. ENSO affects atmospheric circulation patterns well into the midlatitudes and is the leading driver of seasonal climate variability in the United States. Tremendous advances have been made in predicting the occurrence of ENSO events with confidence three to six months in advance. This 5-page fact sheet discusses the ENSO climatology tool as well as possible challenges. Written by Caroline Staub, Clyde Fraisse, Eduardo Gelcer, and Daniel Dourte, and published by the UF Department of Agricultural and Biological Engineering, March 2017. |
| Citrus |
| 2017-2018 Florida Citrus Production Guide Chapters |
| Fresh Fruit Pesticide Residue Limits
Current citrus production practices often include the use of various chemicals, many of which are pesticides. Chemical residues on the fruit after harvest are a concern to regulators and the public alike because of their potential negative health effects. Therefore, the US and other countries set maximum residue limits (MRLs) on fresh produce for various chemicals. This five-page document is part of the 2017-2018 Florida Citrus Production Guide and discusses the MRLs for various chemicals used on Florida citrus. Written by Mark Ritenour and published by UF’s Horticultural Sciences Department, October 2017. |
| Canopy Management of Citrus Trees
Tree canopy and bearing volume are two important factors in fruit production and fruit quality; generally, trees with larger canopy volumes produce more fruit than smaller-canopy trees. Therefore, canopy management is an important aspect of citrus production in Florida to avoid problems associated with overcrowding and excessively tall trees. This three-page document describes canopy management practices for citrus growers. Written by Tripti Vashisth, Mongi Zekri, and Fernando Alferez and published by the UF/IFAS Horticultural Sciences Department, October 2017. |
| Citrus Irrigation Management
The chapter on irrigation management of citrus is largely taken from guidelines provided in SL253 on trees prior to Huanglongbing (HLB) prevalent conditions. A section has been added to cover recent findings on water use of trees affected by HLB and the impact this would have on the irrigation management considerations. This 6-page fact sheet discusses water supply, allowable soil water depletion, irrigation scheduling, soil moisture measurement, water budgeting, smartphone apps, irrigation strategies to improve nutrient uptake and reduce leaching, and irrigation management considerations for HLB-affected trees. Written by Davie Kadyampakeni, Kelly Morgan, Mongi Zekri, Rhuanito Ferrarezi, Arnold Schumann, and Thomas Obreza, and published by the UF/IFAS Soil and Water Sciences Department, September 2017. |
| Rootstock and Scion Selection
When preparing for replanting, an important factor to consider is the choice of rootstock. Choosing the right rootstock and scion combination can result in higher economic returns without any additional cost. Rootstocks affect scion vigor, yield, fruit size, juice quality, and pest tolerance. However, tree growth, yield, and fruit quality interact strongly with climate, soil type, tree spacing, and other factors, often producing contradictory reports on rootstock performance in different areas. This 3-page fact sheet discusses soil characteristics, rootstock effects on pests and diseases, tree spacing and size, and rootstock/scion combination. Written by Ute Albrecht, Fernando Alferez, and Mongi Zekri, and published by the UF/IFAS Department of Horticultural Sciences, September 2017. |
| Grove Planning and Establishment
Many factors need to be considered when preparing for new tree plantings. Careful planning and preparation is necessary to ensure success and reduce future frustrations. This three-page document describes the factors that contribute to the success of new grove establishment. Written by Mongi Zekri, Ute Albrecht, Christopher Vincent, and Tripti Vashisth and published by UF’s Horticultural Sciences Department, September 2017. |
| Other New Fact Sheets |
| Citrus Propagation
Plant propagation is the art and science of reproducing plants while preserving their unique characteristics from one generation to the next. This 6-page document, written by Ute Albrecht, Mongi Zekri, and Jeffrey Williamson, describes the propagation process for commercial citrus. Published by the UF/IFAS Horticultural Sciences Department, October 2017. |
| Citrus Tree Care for the Home Gardener in the HLB Era
Since the early 2000s, growing citrus has become much more challenging due to plant disease pressure. HLB is the most devastating disease affecting Florida citrus, and threatens the survival of the citrus industry. This 4-page document describes citrus growth and care while managing the risk of an HLB infection. Written by Jamie D. Burrow, Tripti Vashisth, Megan Dewdney, and Brooke Moffis and published by the UF/IFAS Plant Pathology Department, November 2017. |
| Epiphytic Weeds of Citrus in Florida
The thousands of acres of citrus groves in Florida provide an environment for many epiphytic weeds. While these plants are an important addition to biodiversity, they can have an adverse impact on citrus crops. This four-page document discusses the classification, characteristics, and management of epiphytic weeds affecting Florida citrus. Written by Ramdas Kanissery and Mongi Zekri and published by UF’s Horticultural Sciences Department, September 2017. |
| Fertigation for Citrus Trees
Microirrigation is an important component of citrus production systems in Florida. For citrus trees, microirrigation is more desirable than other irrigation methods for several reasons: water conservation, fertilizer management efficiency, and freeze protection. Research has shown that when microirrigation systems are properly managed, water savings can amount to as much as 80% compared with subirrigation and 50% compared with overhead sprinkler irrigation. Research has also shown the important advantage of microsprinklers for freeze protection of citrus. This 4-page fact sheet discusses fertilizer solubility and some common fertigation materials. It also offers a fertigation summary. Written by Mongi Zekri, Arnold Schumann, Tripti Vashisth, Davie Kadyampakeni, Kelly Morgan, Brian Boman, and Tom Obreza, and published by the UF Horticultural Sciences Department, September 2017. |
| Irrigation Management of HLB-Affected Trees
Water is a limiting factor in Florida citrus production due to non-uniform rainfall distribution and the low water-holding capacity of our sandy soils. Because periods of low rainfall coincide with critical stages of citrus production, additional irrigation is necessary to reduce the negative effects of water stress. This 6-page document covers recent findings on water use of trees affected by citrus greening and the impact this would have on irrigation management considerations. Written by Davie Kadyampakeni, Kelly Morgan, Mongi Zekri, Rhuanito Ferrarezi, Arnold Schumann, and Thomas A. Obreza and published by the UF/IFAS Department of Soil and Water Sciences, October 2017. |
| Livestock |
| Nutrition at Early Stages of Life Determines the Future Growth and Reproductive Performance of Beef Calves
|
| Nursery & Greenhouse |
| 'Bloomify Red' and 'Bloomify Rose', Two Infertile Lantana camara Cultivars for Production and Use in Florida
Lantana camara is a popular nursery and landscape plant in the United States; however, it is listed as a Category 1 invasive species to Florida due to its ability to hybridize with Florida’s native plant species Lantana depressa. In 2004, the UF/IFAS Gulf Coast Research and Education Center initiated a research program to develop two highly infertile L. camara cultivars, ‘Bloomify Red’ and ‘Bloomify Rose’. This five-page document discusses the production and characteristics of these cultivars. Written by Zhanao Deng and Sandra B. Wilson and published by the UF/IFAS Environmental Horticulture Department, October 2017. |
| Biology and Management of Liverwort (Marchantia polymorpha) in Ornamental Crop Production
Liverwort is a common weed problem in production nurseries and greenhouses. This article has been written to help growers identify liverwort, understand its biology, and inform them of ways this weed can be managed in their operation. Written by Chris Marble, Marc S. Frank, Dail Laughinghouse, Shawn Steed, and Nathan Boyd, and published by UF’s Environmental Horticulture Department, September 2017. |
| Economic Survey of the Environmental Horticulture Industry in Florida in 2015
The characteristics and economic contributions of the environmental horticulture industry in Florida in 2015 were evaluated through mail and internet surveys of industry firms conducted in 2016. The executive summary of the full report, authored by Alan W Hodges, Hayk Khachatryan, Mohammad Rahmani, and Christa D. Court and published by the UF/IFAS Department of Food and Resource Economics, is available here: |
| Regenerated Sabal/Cabbage Palms (Sabal palmetto): Why and How
Palms are woody monocots characterized by the production of adventitious roots from the base of the trunk. Unlike the woody roots of dicots, such as oaks, gumbo limbo, and sea grapes, palm roots have no secondary thickening. Also, unlike trees, palms are incapable of repairing damage to their trunks. Most importantly, the life of a palm is dependent upon the continued good health of the single growing bud known as the meristem. Thus, if the palm bud is killed, the entire palm or the palm cane will eventually die. This 4-page fact sheet discusses harvesting and transplanting sabal palms, cropped transplants, and regenerated transplants. Written by Stephen H. Brown and Tim Broschat, and published by the UF/IFAS Environmental Horticulture Department, September 2017. |
| Pesticide Information |
| Worker Protection Standard: Determining Your WPS Responsibilities
In 1992, the US Environmental Protection Agency (EPA) issued a comprehensive regulation called the Worker Protection Standard for Agricultural Pesticides (WPS). The EPA has made several changes to the WPS since it was fully implemented in 1995. This five-page document will address determining responsibilities under the revised WPS. Written by Frederick M. Fishel and published by UF’s Agronomy Department, September 2017. |
| Small Farms |
| Ant Control in the Apiary
Ants are one of a beekeeper’s most common pests, both in the apiary and in the honey house. Florida and the southeastern United States have a large and diverse ant fauna, with both native and exotic species. The vast majority of ant species have no impact on our bees or us. This 8-page fact sheet written by William H. Kern and published by the UF/IFAS Department of Entomology and Nematology describes the few pest species can cause serious problems and suggests ways to control the ants for healthier hives. |
| Florida's Agritourism Laws
Agritourism combines tourism and agriculture, Florida’s two largest industries, to provide interactive, engaging, and educational experiences for the public. This four-page document describes the laws governing Florida agritourism operations. Written by Mary Beth Henry and Kathryn Stofer and published by UF’s Department of Agricultural Education and Communication, September 2017. |
| Turf & Sod |
| Soil Testing and Interpretation for Florida Turfgrasses
|
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