Diseases can be a limiting factor to the commercial production of strawberries in Louisiana. This document provides information on the fungicides available to manage these diseases.

Provides information and symptions related to several common diseases in sweet potatoes.

Leaf and crown rot is a common problem on liriope (or lily turf) in both nursery and landscape settings. All species and cultivars of liriope are reported to be susceptible to this disease. Proper identification is the key to sucessful disease management. This fact sheet is intended to aid in the identification and management of this disease. (PDF format only)

Southern bacterial wilt (or bacterial wilt) is a destructive disease of tomato and other solanaceous crops as well as a wide range of ornamentals. Proper identification is the key to successful disease management. This fact sheet is intended to aid in the identification and management of this disease. (PDF format only)

Proper identification is the key to sucessful disease management. This fact sheet is intended to aid in the identification and management of this disease. (PDF format only)

Identification of citrus greening and the Asian citrus psyllid.

Citrus greening is one of the most serious citrus diseases, and a pest responsible for spreading it has now been found in Louisiana. Information on what to look for and where to look, what plants are preferred by the disease and where to report suspected disease symptoms or insect sightings is included. (PDF format only)

A variety of diseases affect both the quality and performance of turfgrasses in Louisiana. This publication provides information on fungicides registered for use on turfgrass in Louisiana.

Gray leaf spot occurs on a wide range of turfgrasses throughout the United States. In Louisiana, it is most commonly seen on St. Augustine grass but occasionally can be a problem for Bermuda grass or centipede grass as well. This publication describes how to identify and manage this disease. (PDF Format Only)

Angular leaf spot is a common disease of strawberries in Louisiana, particularly during periods of cool, wet weather. This publication describes the disese and how to manage it. (PDF Format Only)

Botrytis fruit rot (or gray mold) is a common and damaging disease of strawberries in Louisiana -- particularly during periods of cool to moderate temperatures, high humidity and prolonged periods of free water on the plants. This publication describes the disease and how to manage it. (PDF Format Only)

Leaf galls on azaleas and camellias are relatively common in Louisiana, especially in years with extended periods of cool, wet weather during the spring. This publication describes how to identify and manage these disease. (PDF Fomat Only)

Mirliton is mainly cultivated for its fruits, but its stems, young leaves and tuberous roots are also edible. Mirliton is a warm-season crop and grows well in well-drained soils high in organic matter. Mirlitons are susceptible to a common fungal disease called powdery mildew. Use this publication to identify and manage this disease. (PDF Format Only)

Two scab diseases routinely affect citrus in Louisiana. Citrus scab (also called common citrus scab or sour orange scab) has been present in the state for many years. In contrast, sweet orange scab was identified in Louisiana and Texas for the first time during the summer of 2010. This publication describes how to identify and manage these diseases. (PDF Format Only)

Entomosporium leaf spot is a common disease of various woody ornamentals. In Louisiana landscapes, however, it is most commonly a problem on Indian hawthorn and red tip photinia. This publications describes the disease and how to manage it. (PDF Format Only)

Downy mildew, caused by Pseudoperonospora cubensis, is a potentially destructive disease of all cucurbits. The use of fungicides is the primary means of managing this disease.

Fig rust is the most common disease of figs in Louisiana and usually develops late in the summer. Symptoms, cultural practices and options for management inlcuded. (PDF Format Only)

Blast is the most important disease of rice worldwide and the second most important in Louisiana. Yield losses as high as 75 to 90 percent have been observed in Louisiana due to this disease. Use this fact sheet to help you identify and manage rice blast. (PDF Format Only)

Early blight is one of the most common diseases of tomatoes in Louisiana. This fact sheet describes the disease and how to mange it. (PDF Format Only)

Oleander leaf scorch is a deadly bacterial disease of oleander that was first reported in California in the early 1990s. Since then, the disease has been found across the southern United States and was recently reported in Louisiana. (PDF Format Only)

Plant-parasitic nematodes attack every field crop grown in Louisiana, including cotton, soybeans, corn, milo, rice, sugarcane, sweet potatoes and wheat. There are certain times of the year when nematode samples should be collected. The best time usually is during fall or early winter. Sampling time, procedures and handling included. (PDF Format Only)

Tomato yellow leaf curl is a potentially destructive disease of tomatoes caused by the tomato yellow leaf curl geminivirus (TYLCV). This disease is generally introduced into fields on infected transplants, but is then spread from plant to plant by the silverleaf whitefly. Management of this disease relies in part on the use of TYLCV-resistant tomato varieties.

Camellia flower blight is the most common disease of camellias in Louisiana. This publication describes the disease and how to manage it. (PDF Format Only)

Bacterial leaf scorch is a common disease that affects a variety of trees used in the landscape. This fact sheet describes the disease and how to identify it. (PDF Format Only)

Large patch (formerly called brown patch) is the most common disease of warm-season turfgrasses in Louisiana. This article describes the disease and how to manage it. (PDF Format Only)

Scurf is a common disease of sweet potatoes. Proper identification is the key to successful disease management. Use this fact sheet to help you identify and manage this disease. (PDF Format Only)

Plant-parasitic nematodes can damage plants in many ways and are considered to be a serious threat to sweet potato production in Louisiana. This publication describes problematic nematode species and management strategies available for these pests. (PDF format only)

The southern root-knot nematode (Meloidogyne incognita) is a widespread problem in Louisiana. This pest favors the soils where most vegetables are produced and has been found in about 25 percent of the vegetable gardens in our state. This nematode can be extremely damaging to some crops and causes severe losses. (PDF Format Only)

Fire blight is a common and serious disease of certain members of the pome fruit subgroup of the rose family. This article discusses how the disease develops and steps to manage it. (PDF Format only)

Sclerotium rolfsii is a soilborne fungus that causes southern blight on a wide variety of plants. Proper identification is the key to successful disease management. This fact sheet is intended to aid in the identification and management of Sclerotial Blight and Circular Spot. (PDF Format Only)

This publication is intended to introduce home vegetable gardeners to the various methods used to manage the many diseases that affect these crops. (PDF Format Only)

Tomato yellow leaf curl is a relatively new whitefly-transmitted virus disease of tomatoes in the United States. It was first observed in South Florida in 1997 and has since spread throughout much of the Southeast, including Louisiana where it was first observed in 2000. Proper identification is the key to successful disease management. This fact sheet is intended to aid in the identification and management of this disease of tomatoes. (PDF Format Only)

Proper identification is the key to successful disease management. This fact sheet is intended to aid in the identification and management of the disease known as southern blight. (PDF Format Only)

Proper identification is the key to successful disease management. This article is intended to aid in the identification and management of tomato pith necrosis. (PDF Format Only)

Proper identification is the key to successful disease management. This fact sheet is intended to aid in the identification and management of phytophthora blight on peppers.

Proper identification is the key to successful disease management. This fact sheet is intended to aid in distinguishing among three common foliar diseases of watermelon. (PDF Format Only)

Downy mildew is a potentially devastating disease of all cucurbits. Disease symptoms, development, control measures and color photographs of symptoms on pumpkin, cucumber and watermelon are included. (PDF format only)