Wednesday, June 22, 2016

New and Revised Agriculture Publications, May 2016

 New and revised #EDISpubs in the Agriculture program area include

·         Crops: Carinata, olive, spiderwort control

·         Citrus: Spanish Tap sampling for ACP, survey of 2014/2015 packing charges

·         Turf & Sod: Diagnosing injury to ornamentals from metsulfuron herbicides applied to turfgass

 

Agriculture

Crops

Carinata, the Jet Fuel Cover Crop: 2016 Production Recommendations for the Southeastern United States


Carinata has been grown commercially for several years on the Canadian prairie and more recently in the US northern plains as a summer crop. For the past four years, UF has been conducting research to evaluate various management practices that allow incorporation of carinata into current cropping systems as a winter crop with minimal modification to existing infrastructure in the southeastern US. This 8-page fact sheet is a major revision that discusses carinata characteristics, biology, nutrient management, tillage, variety selection, planting dates, seeding depth, seeding rate, row spacing, weed management, disease management, insect management, harvest management, economics, and crop insurance. Written by Ramdeo Seepaul, Christine M. Bliss, David L. Wright, Jim J. Marois, Ramon G. Leon, Nicholas Dufault, Sheeja George, and Steve M. Olson, and published by the UF Agronomy Department, December 2014. Revised October 2015.
http://edis.ifas.ufl.edu/ag389

Guide to Olive Tree Nutrition in Florida

A burgeoning olive industry already exists in the southeastern United States, but research and Extension information regarding olive fertilization recommendations in Florida is limited. While there are data and recommendations for olive from the University of California, the University of Georgia (UGA), and other institutions around the world, there are no data from which we can derive Florida-specific recommendations. This 6-page fact sheet uses many of the existing recommendations for mature, high-density, and traditional grove spacing as guidelines until data specific to Florida production are generated. It discusses leaf tissue sampling procedures, leaf tissue sufficiency ranges, nitrogen fertility, phosphorus and potassium fertility, boron, concerns for olive production in Florida, and other resources for olive production in the state. Written by Michael J. Mulvaney, Rao Mylavarapu, Peter C. Andersen, Mack Thetford, and Jennifer L. Gillett-Kaufman, and published by the UF Agronomy Department, May 2016.
http://edis.ifas.ufl.edu/ag405

Pest Identification Guide: Chilli thrips Scirtothrips dorsalis Hood


Chilli thrips transmits the ilarvirus Tobacco streak virus (TSV) and the tospoviruses Groundnut bud necrosis virus (GBNV), Groundnut chlorotic fan-spot virus (GCSFV), and Groundnut yellow spot virus (GYSV). This species primarily feeds on young, tender foliage. Feeding on foliage may result in silvering leading to necrosis, leaf curl (upward), distortion, and defoliation. Feeding on the fruit may cause scarring, discoloration, and the formation of corky texture on the fruit. Learn to identify the chilli thrips with this two-page illustrated guide written by Jeffrey D. Cluever and Hugh A. Smith and published by the Department of Entomology and Nematology.
http://edis.ifas.ufl.edu/in1124

Pest identification Guide: Florida flower thrips Frankliniella bispinosa (Morgan)

The Florida flower thrips is a known pest of blueberry but its status in other crops is unclear. Florida flower thrips transmits Tomato spotted wilt virus and possibly other tospoviruses. This species is primarily a flower feeder, so most damage would be expected on the flower or fruit. Learn to identify the Florida flower thrips with this two-page illustrated guide written by Jeffrey D. Cluever and Hugh A. Smith and published by the Department of Entomology and Nematology.
edis.ifas.ufl.edu/in1125

Spiderwort Control in Hay Fields and Pastures


Spiderwort is a native perennial species found throughout the eastern half of the US. The plant’s large, fleshy stem creates problems for hay production. This 2-page fact sheet provides a brief overview of the plant as well as information on control through herbicide use. Written by Michael Durham, Jason Ferrell, and Brent Sellers, and published by the UF Agronomy Department, May 2016.
http://edis.ifas.ufl.edu/ag407

Citrus

Muestreo por Golpeo para el Psilido Asiatico de los Citricos (PAC). Hoja de campo


This field sheet provides information on Tap sampling for Asian Citrus Psyllid (ACP). Monitoring ACP populations is an important tool in the integrated management of citrus greening. The most efficient way to estimate field populations of this insect is by monitoring adults. Tap sampling has proven to provide data needed to make informed decisions for managing this insect pest. This two-page field sheet is the Spanish version of
IN1116 TAP Sampling for Asian Citrus Psyllid (ACP) Field Sheet. Written by Phil Stansly, and published by the Entomology and Nematology Department.
http://edis.ifas.ufl.edu/in1122

2014/15 Average Packing Charges for Florida Fresh Citrus

A survey of Florida fresh citrus packers was conducted in April 2015 to collect data on their packing charges during the 2014/15 season. A total of sixteen packinghouses participated in the survey, seven from the Interior region and nine from the Indian River region. The average of their responses was computed to obtain the estimates presented in this 4-page fact sheet was written by Ariel Singerman, and published by the UF Department of Food and Resource Economics, March 2016.
http://edis.ifas.ufl.edu/fe989

Turf & Sod

Metsulfuron-Methyl-Containing Herbicides Potentially Damaging Ornamentals when Applied to Turfgrass


Metsulfuron-methyl, also known as MSM, is an herbicide that is used to control broadleaf weeds and certain grass weeds. It provides effective control of some of the most problematic turfgrass weeds, such as wild garlic, Florida betony, dollar weed, and small Virginia buttonweed. Metsulfuron-methyl is absorbed by plant foliage, so if landscape plants come into contact with the spray or drift they can be injured. This four-page fact sheet describes the potential problems with metsulfuron herbicides, the areas most susceptible to damage, how to diagnose injury, and how to reduce damage. Written by Chris Marble, Jason Smith, Timothy K. Broschat, Adam Black, Ed Gilman, and Celeste White and published by the School of Forest Resources and Conservation Department.
http://edis.ifas.ufl.edu/fr400

 

                                               

 

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