Plant Pests and Diseases Resources
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Annual ryegrass, also referred to as Italian ryegrass, is the most problematic winter annual weed in Georgia hayfields. Seed germinates from September to November. Seedlings mature in the fall, overwinter in a vegetative state, and resume active growth in the spring. Annual ryegrass is a prolific seed producer that contributes to annual infestations. This resource summarizes the growth and identification of this weed. Cultural and chemical control options are also presented for tall fescue, bermudagrass, alfalfa, bahiagrass and other forage legumes grown for hay production.
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The silverleaf whitefly (also known as sweet potato whitefly) is a pest of a wide variety of horticultural and agronomic crops in southern Georgia. Their direct feeding can damage plants and lead to additional problems with the accumulation of honeydew and sooty mold, and these insects also inject salivary fluids while feeding, which can result in plant disorders and transmission of plant viruses.
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This publication contains information about common tomato diseases in Georgia. It includes photographs and descriptions of diseases such as buckeye rot and fusarium wilt.
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Summer squash is one of the most popular warm season vegetables grown in home gardens. Unfortunately, the levels of insect attacks on summer squash have risen dramatically over the last 10 years. Safe and effective controls are needed to help produce this important crop with all of the pressures of insect pests. This publication will discuss both organic and non-organic solutions for homeowners to try in their home garden, including the use of barriers, trap crops and chemical controls.
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C 1303
Muscadine Grape Management
This phenology-based muscadine grape management poster provides a reference for sound viticultural, disease, and insect management practices in a digestible format. Produced in cooperation with University of Tennessee, North Carolina State University, University of Arkansas, and Auburn University. A publication of the Southern Region Small Fruit Consortium.
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This 2024 update to the regional integrated pest management guide provides recommendations for muscadine grape production in the Southeastern U.S. Recommendations are based on information from the manufacturer’s label and performance data from research and Extension field tests. This publication is intended for use only as a guide. Specific rates and application methods are on the pesticide label, and these are subject to change at any time.
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The success of the Southeast Boll Weevil Eradication Program has played a major role in the recent revival of Georgia’s cotton industry. Along with these economic benefits, the remarkable success of the eradication program
has led to a significant decrease in insecticide use in Georgia cotton, and to substantial environmental benefits to growers and residents of the state.|
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Whiteflies are common and recurrent insect pests of cotton in Georgia. The severity of whitefly damage varies from year to year based on the size of the pest population. The most abundant species of whitefly found infesting cotton in Georgia is Bemisia tabaci, commonly known as the silverleaf whitefly (SLWF) or sweet potato whitefly. Another species, bandedwinged whitefly (Trialeurodes abutiloneus), may also be present in Georgia cotton. This publication highlights whitefly biology, damage, sampling procedures, control methods, and tips for managing risk in cotton.
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Detection of damaging nematode infestations may allow growers to significantly increase crop productivity and profitability. It is imperative that growers test their soil to determine which nematode species are present in their fields as well as their population densities. The best way to detect and identify nematode problems is through collecting soil and/or plant samples and having those samples analyzed in a reliable nematode diagnostic lab. It is highly recommended that, if you suspect a field has a nematode problem, test the soil and then consult with your local Extension agent or nematologist for advice on how to manage the nematode infection.
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