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Algal Stem Blotch on Blueberry

Current Situation             Wet weather across Georgia’s blueberry production belt during 2021 has led to some usual and some unusual disease issues in recent months. Through mid-September, 2021 rainfall in Alma, Georgia is running about 12 inches above normal, and rainfall in Homerville, Georgia is over 16 inches above normal….
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Fruit quality traits at harvest and postharvest shelf-life of the three Misses compared to Rebel and Suziblue southern highbush blueberry cultivars

Authors: Yi-Wen Wang, D. Scott NeSmith, Rachel Itle, Renée Holland, and Savithri Nambeesan. In this study we evaluated postharvest fruit quality attributes of five southern highbush cultivars, Miss Lilly, Miss Alice Mae, Miss Jackie, Rebel and Suziblue. This article summarizes the fruit quality attributes of these 5 cultivars shortly after harvest and…
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Resource Announcement: Propagating Disease-Free Blueberry Plants from Softwood Cuttings

A new bulletin on blueberry propagation from UGA Cooperative Extension has recently been published. In this bulletin, authors Haralson, Brannen, and Oliver present a set of best practices for blueberry propagation that will help to minimize losses and improve the quality of plants produced. The bulletin is available through UGA…
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Monitoring and Management of Flower Thrips in Blueberries

Flower thrips are chronic pests of both southern highbush and rabbiteye blueberries in the southeastern United States. Flower thrips are small insects, less than 1.5 mm long (0.06 inches), with slender bodies usually yellow to orange in color. Females are typically larger than males. Adult thrips have long narrow wings fringed with fine hairs. Adults and immatures, called nymphs, have rasping-sucking mouthparts, which they use to extract sap from plant cells. Immatures look like the adults except they are smaller and have no wings.

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Organic SWD Management Webinar

SWD OREI Project Team is scheduled to present a webinar on Organic Management of Spotted-Wing Drosophila (SWD) to provide a comprehensive update on strategies to manage SWD in organic production systems. Please register at: http://eorganic.org/node/34578 to attend this webinar. 

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Field evaluation of spray programs for management of anthracnose fruit rot of blueberry

By: Jonathan E. Oliver (UGA Fruit Pathologist), James Jacobs (UGA County Extension Coordinator, Pierce, Charlton, and Brantley Counties), Zack Williams (UGA County Extension Agent, Bacon County), Renee Holland (UGA Area Extension Agent – Commercial Blueberry) Background Anthracnose fruit rot of blueberry is caused by the fungi Colletotrichum acutatum and Colletotrichum…
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Multisite Fungicides for Fungicide Resistance Management in Blueberries

In conventional blueberry production, fungicides are frequently used to manage blueberry diseases. Unfortunately, as a result of repeated fungicide usage, the fungi targeted by these chemicals can develop resistance to specific fungicide modes of action.  This ultimately can make these fungicides less effective for disease management.  To reduce the chances…
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