Tag Archive: disease

The Mosquito-Borne Tropical Disease Chikungunya Makes Its First Appearance in North Florida

Tiger mosquitos are distinctive with their black and white coloration, and bite during the day. Photograph by: J. L. Castner, University of Florida The first occurrence of the mosquito-borne tropical disease chikungunya has occurred in north Florida. Two cases have been reported, in Leon County, from residents who recently visited Haiti. This virus originated in …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/newsletters/2014/06/21/the-mosquito-borne-tropical-disease-chikungunya-makes-its-first-appearance-in-north-florida/

Vegetable Garden Disease and Pest Controls

During this growing season monitor your plants and keep them healthy as a healthy plant will be able to better survive an invader attack. Nematode populations can be reduced temporarily by soil solarization. It is a technique that uses the sun’s heat to kill the soil-borne pests. Adding organic matter to the soil will help …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/newsletters/2014/06/03/vegetable-garden-disease-and-pest-controls/

Rose Rosette Virus, a Devastating Disease on Roses, Found in Florida

  Figure 1. Witches’ broom like appearance, abnormal red discoloration of shoots and foliage, excessive thorns, distorted leaves, and deformed buds and flowers are key symptoms for the devastating Rose Rosette Disease Roses are one of the most popular flowering shrubs in U.S. with a total wholesale value of 194 million U.S. Dollars. Among the …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/newsletters/2014/03/25/rose-rosette-virus-a-devastating-disease-on-roses-found-in-florida/

It’s in Florida: Rose Rosette Virus, a Devastating Disease on Roses

Witches’ broom like appearance, abnormal red discoloration of shoots and foliage, excessive thorns, distorted leaves, and deformed buds and flowers are key symptoms for the devastating Rose Rosette Disease Roses are one of the most popular flowering shrubs in U.S. with a total wholesale value of 194 million U.S. Dollars. Among the major states in …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/newsletters/2014/02/22/its-in-florida-rose-rosette-virus-a-devastating-disease-on-roses/

What Does the Launch of New Generic Fungicides Mean for Plant Disease Management in 2014?

The 2013 foliar peanut disease fungicide trial from Marianna, FL. It is important to monitor products for reductions in their efficacy when managing for fungicide resistance. Early in 2014 the patent for the popular strobilurin fungicide (FRAC group 11) azoxystrobin will expire. Azoxystrobin is the active ingredient in the Syngenta® fungicides Quadris®, Abound® and Heritage® …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/newsletters/2014/01/31/what-does-the-launch-of-new-generic-fungicides-mean-for-plant-disease-management-in-2014/

Crapemyrtle Research and Disease Management Update: Thursday,October 31; FL Pesticide and FNGLA CEUs available

     Please follow this link to download a PDF version of this flyer Author: Matthew Orwat – mjorwat@ufl.edu Matthew J. Orwat started his career with UF / IFAS in 2011 and is the Horticulture Extension Agent for Washington County Florida. His goal is to provide educational programming to meet the diverse needs of and …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/newsletters/2013/10/21/crapemyrtle-research-and-disease-management-update-thursdayoctober-31-fl-pesticide-and-fngla-ceus-available/

Cercospora: A Summer Fungal Disease Problem

    Cercospora in PepperImage Credit Matthew Orwat This summer’s rainy and humid weather has created a perfect environment for the proliferation of a variety of fungal diseases. In particular, Cercospora is a genus of fungus of which there are over 1,200 different species. Because there are so many species of this fungus, many different …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/newsletters/2013/08/19/cercospora-a-summer-fungal-disease-problem/

U-scout: An Excellent Resource for Vegetable Disease Diagnosis

A screen shot from the U-scout blog, a new tool for disease identification in fruit and vegetables. The ample rain and persistent humidity throughout northwest Florida during the last two months have increased disease incidences in summer vegetable crops. Scouting fields with an eagle eye for potential disease outbreaks is essential this season. The U-scout tool, developed by UF/IFAS …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/newsletters/2013/08/03/u-scout-an-excellent-resource-for-vegetable-disease-diagnosis/

Corn Leaf: Thrip Damage, Not a Disease

Thrip Damage:A Closer Look Thrips are most noticeable, and of greatest concern on corn at two periods during the growing season: on young seedling plants, and at ear formation. On seedling plants their feeding makes the plants look stunted. At ear formation, thrip injury to developing kernels provides entry for infection by Fusarium spp. and …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/newsletters/2013/06/29/corn-leaf-thrip-damage-not-a-disease/

Disease Alert: Northern Corn Leaf Blight

  Northern Corn Leaf Blight lesion. Credit: Jack Price Rome Ethredge, extension agent in Seminole County Georgia, this week reported incidence of Northern Corn Leaf Blight (NCLB), as did Jake Price in Lowndes County Georgia. This is a fungal disease that can reduce corn yields and is most likley to be found in fields where corn was grown …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/newsletters/2013/05/10/disease-alert-northern-corn-leaf-blight/

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