Plant Pathology Resources
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Many types of fruits and nuts can be grown in Georgia due to our mild climate. This publication provides an outline of the culture and management of the exotic and uncommon fruits and nuts that can be grown in Georgia.
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This comprehensive resource was fully revised in 2025-26 and represents the latest information available on the commercial production of short-day onions in south Georgia.
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Exobasidium leaf and fruit spot, caused by the fungus Exobasidium maculosum, is an emerging disease affecting both southern highbush and rabbiteye blueberries. In addition to direct yield loss due to fruit drop, lesions on remaining fruit compromise the aesthetic qualities of the fruit as well as the taste, rendering them unmarketable. This circular provides the most current knowledge of this important pathogen/disease of blueberry and its management.
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Vegetables comprise an economically important segment of Georgia’s agricultural production, so there is a need for vegetable breeders to have comprehensive, crop-specific data on grower priorities, varietal performance, and production constraints.
UGA’s vegetable breeding program performed a needs assessment survey to assess growers’ preferences, the results of which are presented in this resource. This data will be used to inform the development of regionally adapted high-performing vegetable varieties.
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Plant disease losses in 2023, including control costs, amounted to an estimated $715.43 million. The value of the crops used in this estimate was approximately $6863.22 million, resulting in a 10.42% relative disease loss across all crops included in this summary. Some estimates for fruits, ornamentals, and turf rely on Extension specialists’ knowledge of the industry and industry sources for information. Because of the retirement of the Extension specialist for ornamental and commercial landscapes, disease losses for this category were not included in the report.
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Understanding nitrogen requirements of onions at different growing stages is crucial to adequately manage N fertilizer applications and enhance fertilizer use while minimizing nutrient losses. In this study, the fertilizer N use efficiency of onions was investigated. The application of N fertilizer right after transplant is inefficient; targeting the periods of heavy vegetative growth and bulb initiation was most efficient in providing N fertilizer for onion plants.
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The 2025 edition of this regional integrated pest management guide provides recommendations for strawberry plasticulture 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. This publication is a product of the Southern Region Small Fruit Consortium.
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The 2026 edition of this regional integrated pest management guide provides recommendations for strawberry plasticulture 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. This publication is a product of the Southern Region Small Fruit Consortium.
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Fairy ring is an umbrella term for a disease that can be caused by more than 60 different species of basidiomycete fungi. It is particularly damaging on golf greens, but can affect all turf species in Georgia. Infection leads to localized dry spots and nutrient imbalances. No single strategy guarantees complete control, but integrating thatch reduction, water management, fertility optimization, and targeted fungicide applications can significantly mitigate disease impact.
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