Weeds, Diseases and Pests Resources
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RenewedA new disease has been identified in the Georgia blueberry production region. This disease has been named “bacterial leaf scorch.” This publication includes identification and control methods.
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The purpose of this guide is to help users identify insects, spiders and mites that are beneficial to the garden. Such beneficials help manage pests that can damage plants. Tips to conserve and protect beneficials are also included.
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This is a new annual guide for managing diseases, insects, weeds, and wildlife in bunch grapes in the Southeast. This regional integrated pest management guide provides recommendations 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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C 1212
Grape Sour Rot
RenewedAlthough grape sour rot can occur in drier climates, the disease complex tends to be especially problematic during wine grape ripening in wet, humid regions. Browning and disintegrating berries and the aroma of vinegar are a few symptoms that characterize grape sour rot. Sour rot ultimately results in crop yield reduction as damaged berries often “shatter,” or fall off the clusters. Sorting out clusters with sour rot that are not suitable for winemaking causes a further reduction in return revenues as less wine is produced. Sour rot is a prominent concern in Eastern U.S. vineyards as it is consistently observed in vineyards, particularly in white-berried cultivars, and questions remain about how to best manage it, particularly with the threat of insecticide resistance development in targeted fruit flies.
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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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The orange felt (also known as orange cane blotch) disease of blackberry is prevalent in the south. Where ideal environmental conditions occur, this disease may girdle canes or exacerbate other cane diseases, causing subsequent decline and death.
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C 1253
Phony Peach Disease
This fact sheet covers phony peach disease: History, symptoms, disease cycle, and management.
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This 2026 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. This publication is a product of the Southern Region Small Fruit Consortium.
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This integrated pest management (IPM) guide for blackberry and raspberry production includes management of diseases, insects, and weeds through IPM principles. Topics include pesticide stewardship and safety, insect and disease control, pre-transplant and transplant operations, fungicides and insecticide efficacy comparisons, and spray schedules, weed management, wildlife damage, and more. Recommendations are based on information from the manufacturer’s label and performance data from research and Extension field tests. 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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