Biology And Management
The Hessian fly is a severe pest of winter wheat in the United States. This publication offers a description of the Hessian fly, its life cycle, the damage it causes as well as tips for managing the pest. In 2008 and coming years, entomologists ... [... more]
Alabama Cooperative Extension System |
Barley Yellow Dwarf In Small Grains In The Southeast
Barley yellow dwarf (BYD) is the most damaging viral disease in small grains worldwide. This publication discusses the viruses that cause the disease and the aphids that spread the viruses. It presents management strategies designed to minimize ... [... more]
Alabama Cooperative Extension System |
Disease And Insect Control For Roses
Extension Plant Pathologist, Professor, Plant Pathology, both at Auburn University Disease control is an important part of maintaining beautiful and healthy roses. Homeowners will have to contend with black spot and powdery mildew on their roses ... [... more]
Alabama Cooperative Extension System |
Fusarium Root Rot of Garden Beans
The pathogen usually survives as thickwalled chlamydospores in the soil. The spores germinate when stimulated by nutrients exuded by germinating seeds and root tips. Then the fungus penetrates the plant tissue. Chlamydospores of Fusarium can ... [... more]
Alabama Cooperative Extension System |
SOIL PREPARATION:
This publication on soil solarization is available in both English and Spanish. It covers soil preparation, the use of tarps, and times needed for soil solarization. Cultivate the soil until it is loose and crumbles easily with no large dirt ... [... more]
Alabama Cooperative Extension System |
Pythium Root Rot of Garden Beans
Many different species of Pythium can cause root rot. Each is adapted to slightly different environments, so it is difficult to identify temperature conditions that favor disease development. The disease can occur over a broad range of ... [... more]
Alabama Cooperative Extension System |
Rhizoctonia Root Rot on Garden Beans
Generally, the pathogen survives between crops as sclerotia or mycelia in the soil. Sclerotia are dense, compacted aggregates of dormant hyphae, resistant to unfavorable environmental conditions. Sclerotia in infested soil or plant debris can be ... [... more]
Alabama Cooperative Extension System |
Mycotoxin Diagnostic Laboratory
The function of the Auburn University Mycotoxin Diagnostic Lab is to detect toxic fungi and their metabolites (mycotoxins) in food and feed samples submitted by the public. Many types of toxic fungi may cause serious problems for humans and ... [... more]
Alabama Cooperative Extension System |
Diseases of Pansies and Their Control
There are two common fungal leaf spot diseases that may damage pansies, Viola x wittrockiana, in the landscape or greenhouse. Anthracnose, caused by Colletotrichum gloeosporioides, and Cercospora leaf spot, caused by Cercospora violae, each ... [... more]
Alabama Cooperative Extension System |
Diseases of Annual Vinca in the Greenhouse and Landscape
Symptoms of both diseases first appear on the lower leaves as small brown to black spots (Figure 1). Spots on the leaves, shoots, and petioles will range from the size of a pinhead up to 1/8 inch in diameter. Alternating light and dark rings of ... [... more]
Alabama Cooperative Extension System |
Powdery Mildew On Dogwood
The causal fungus of powdery mildew on dogwood survives as hyphae in buds and fruiting bodies on fallen leaves. Spores are spread by air currents to the young leaves. Powdery mildew fungi are usually most active when the days are warm and nights ... [... more]
Alabama Cooperative Extension System |
Foliar Diseases of Cucurbits
Common diseases that may appear on the foliage or the fruit of cucurbits include powdery mildew, downy mildew, Alternaria leaf spot, and angular leaf spot. Strategies for controlling foliar diseases of cucurbits include the following: Pesticides ... [... more]
Alabama Cooperative Extension System |
