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Blueberry Blog
Spotted Wing Drosophila Identification, Monitoring, and Management in Georgia Blueberries Posted by Ash Sial on Apr 18, 2018 Spotted wing drosophila (SWD), Drosophila suzukii (Matsumura) (Diptera: Drosophilidae) is an invasive and economically important pest of many soft-skinned fruits such as blueberries, blackberries, raspberries, strawberries, cherries, and other. Since its first detection in California in 2008, SWD spread rapidly across the United States. It was first found in Georgia...
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Monitoring and Management of Thrips in Blueberries Posted by Ash Sial on Apr 17, 2018 Flower thrips are chronic pests of both southern highbush and rabbiteye blueberries in the southeastern United States. Thrips are minute (1 to 1.3 mm long) insects with slender body and usually yellowish to orange in color. Adults have long thin wings fringed with fine hairs (Figure 1). Females are generally larger than males. Both adults and nymphs have rasping and sucking mouthparts, which are used to extract cell sap from plant tissues.
Disease Development Following 2018 Freeze Damage Posted by Jonathan Oliver on Mar 16, 2018 Following the damage to blueberries in Georgia caused by recent freezes, the threat exists for subsequent damage from fungal pathogens. On tissues already damaged by the freezes, two fungal pathogens of particular concern are Botrytis and Botryosphaeria. Botrytis The fungus Botrytis cinerea causes Botrytis flower blight and fruit rot on...
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Cotton Blog
Information on Disaster Assistance Programs Posted by on Oct 16, 2018 By Adam N. Rabinowitz Click here for a PDF version of this post. Last week Hurricane Michael ripped through the heart of Georgia agriculture, devastating the southwest region and destroying a significant amount of our farmers’ hard work.  While government programs can never fully replace the loss, there are a...
Market Facilitation Program: What is available to cover my marketing losses from trade tariffs? Posted by Yangxuan Liu on Oct 1, 2018 By Yangxuan Liu Download the PDF version of this article.  U.S. Department of Agriculture releases details about the spending plans for $12 billion in trade aid package for farmers. The main component of the aid package is the Market Facilitation Program (MFP). MFP is authorized under the Commodity Credit Corporation...
Cotton Outlook Posted by on Sep 18, 2018 By Yangxuan Liu and Don Shurley Download the PDF version of this article. In 2018, Georgia’s farmers planted 1.43 million acres of cotton, up 150,000 acres from 2017. The average cotton yield is forecast at 946 pounds per acre. Production is forecast at 2.8 million bales, which would be the...
The Impact of China’s Potential Cotton Tariffs on U.S. Cotton Exports Posted by on Jun 29, 2018 By Yangxuan Liu, John R. C. Robinson, and Don Shurley On April 4th, 2018, China announced a potential 25 percent increase in import tariffs on major U.S. origin agricultural commodities in retaliation to a series of tariffs proposed by the United States. United States upland cotton is one of the...
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Peach Blog
Hurricane Michael, Peach Tree Damage, and Subsequent Phytophthora Root Rot Posted by Phil Brannen on Oct 9, 2018 This is largely a repeat blog post from last year.  I have changed the hurricane name, but otherwise, all remains the same. Hurricane Michael will probably move relatively quickly through Georgia, but I fear it will have substantial winds as it moves through.  It will likely cause damage to peach...
Court orders ban on chlorpyrifos Posted by Blaauw on Aug 15, 2018 Last week, a federal appeals court ordered the EPA to remove chlorpyrifos from sale in the United States within 60 days. While the threat of losing chlorpyrifos is not new and the ban is bound to happen eventually, I just wanted to give everyone a heads up that our management...
Plum Curculio and Scale Update Posted by Blaauw on Jun 27, 2018 I posted last week about scale management, but I wanted to send out a reminder about scale and an update for everyone that plum curculio (PC) adults are also active in the orchards (see image above taken last week). In blocks that still have fruit, if you are and have...
San Jose scale are on the move…again Posted by Blaauw on Jun 20, 2018 The second peak of San Jose scale crawler activity is right around the corner. We have begun capturing considerable numbers of crawlers on June 19 on research trees in Fort Valley, GA (see image). The peak emergence of scale crawlers in this region is expected to occur within the next...
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Peanut Blog
Insect Damage at Harvest Posted by on Oct 9, 2018 Very few things are as frustrating as delivering 5000+ pound per acre peanuts to the buying point and having them grade “Seg 2” because of insect injury, and when it happens there are usually a lot of questions. What caused it? Why did it happen? When did it happen? Could...
Conditions are Favorable for Southern Corn Rootworm Posted by on Aug 2, 2018 Conditions continue to be favorable for southern corn rootworm (SCR) development across much of Georgia’s 2018 peanut acreage. SCR is a pest that requires moist soil conditions, and we typically see rootworm infestations in fields with heavy soils and center pivot irrigation. The abundant rainfall in many areas this year...
27 July Peanut Insect Update: Potato leaf hoppers etc. Posted by on Jul 27, 2018 Insect activity is beginning to pick up in some of our Georgia peanut fields, and now is a really good time for growers who may not have a consultant or scout to get out and walk the crop. I have seen a mixed bag of caterpillars in my research plots...
It has been quiet; don’t fall asleep! Posted by on Jul 18, 2018 Insect pressure in Georgia’s 2018 peanut crop has been as low as I have seen since 2013. Several calls have come in over the last two weeks with folks asking what they are missing because it all just seems a little too quiet in the peanut patch. As we move...
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Pecan Blog
Preliminary Acreage and Crop Loss Values for Georgia Pecans After Hurricane Michael Posted by Lenny Wells on Oct 17, 2018 As we have continued to assess the damage from Hurricane Michael we are beginning to get a clear enough picture to place numbers on the lost acreage, trees, and dollar values for Georgia pecans. We currently estimate a loss of 27,455 acres of pecan trees, which translates to a loss...
Update on Hurricane Damage to Georgia Pecan Crop Posted by Lenny Wells on Oct 15, 2018 Now that we have had more time to process the damage to pecan orchards and the pecan crop from Hurricane Michael, we can begin to refine the estimates of loss and it does indeed appear to be pretty severe. Of the top 10 pecan producing counties, based on the Farm...
First Look at Hurricane Michael Damage to Georgia Pecan Industry Posted by Lenny Wells on Oct 11, 2018 Its been a long day for Georgia pecan growers. Hurricane Michael slammed into Georgia as a Category 3 Hurricane last night after devastating parts of the Florida Gulf Coast and slowed very little until it got well into our state. Winds near Bainbridge, GA in the Southwest corner, at the...
Prepare for Hurricane Michael Cleanup Posted by Lenny Wells on Oct 9, 2018 As we all prepare for Hurricane Michael’s arrival we hope things do not turn out as bad as they appear. At this time, the storm’s forecast takes a direct route through the heart of Georgia’s major pecan production region as a hurricane or strong tropical storm when it arrives. In...
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Strawberry Blog
Fungicide Selection for Botrytis and Anthracnose Fruit Rot Management in Strawberry Posted by on Mar 21, 2018 The following link should give you excellent, up-to-date information on selection of fungicides for management of strawberry Botrytis and anthracnose fruit rots.  If you observe Botrytis, this fungus can be tested for resistance development at Clemson University.  If you observe anthracnose, this fungus can be tested for resistance at the...
Spider Mite Damage on Strawberry Posted by on Mar 1, 2018 Shane Curry (Appling County Extension Agent) sent a photo of spider mites (see attached) on strawberry, and the numbers are tremendous.  Strawberry producers should be scouting for mites at this time, since the conditions have been warm enough for the mite population to explode in some areas, despite significant rainfall. ...
What to Look for Now Posted by on Mar 1, 2018 By now most of us should be well into our early fertility regime on plasticulture berries.  Beginning with about a 1/2 pound per acre per day (3.5 lbs. of N per week) to get the crop started.  As we move further into March we should gradually increase this rate to...
Tissue Sample Now Posted by on Jan 18, 2018 It doesn’t seem like it but we will begin our fertilizer programs on strawberries very soon, especially south Georgia growers.  There are many nutrients that are important in strawberry production, like nitrogen, potassium and boron.  Nitrogen and potassium are added prior to planting and throughout the growing season.  Boron is...
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Vegetable Blog
Hurricane Michael Update (Tim Coolong, Andre Da Silva, Bhabesh Dutta, and Greg Fonsah) Posted by Dutta on Oct 12, 2018 Damage to the fall vegetable industry caused by Hurricane Michael has thus far been significant for growers in Southwest Georgia.  Damage closely followed the path of the storm, with a line stretching from Seminole and Decatur counties up through Mitchell and Grady, Colquitt, Tift and even reaching fields in the Crisp county region.  Vegetable production regions near Lowndes and Echols Counties may have some loss but are expected to have escaped the worst of the damage.
Cover cropping for nematode management in winter (By Abi Hajihassani) Posted by ah68710 on Oct 7, 2018 Do you lay fallow your fields during the winter until the following spring? If so, consider planting a suitable cover crop for management of plant-parasitic nematodes during winter months. Winter cover crops are usually grown in fall and begin growing the following spring. Cover crops are a valuable strategy for...
Soil sampling as a preventive way to manage nematodes (by Abi Hajihassani) Posted by Dutta on Sep 26, 2018 Prevention is the best way to control plant-parasitic nematodes in vegetable crops. This summer, we conducted a survey of nematodes in most of the vegetable-growing systems in southern GA. After analyzing the collected samples, data on nematode species and counts were conveyed to growers participated in the survey through county...
Pesticide Registration Activities Posted by asparks on Sep 26, 2018 Pesticide registration/review is always interesting, if nothing else. The 9th Circuit Court once again as ruled that all Lorsban registrations should be cancelled. This was more over procedural issues than safety, but safety is consistent area of discussion. DOW is working to maintain those labels and for now we still...
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Viticulture Blog
Save the dates for two upcoming events Posted by Cain on Oct 19, 2018 Please mark your calendars to join us for one or both of the following viticulture/enology-focused conferences in Georgia. Details and agendas for both will be posted to this site soon. Stay tuned.   December 11 and 12: UGA/NC State New Grape Grower’s Workshops. Speakers will include UGA faculty and extension...
Post-growing season growers roundtable meeting to take place on October 31 Posted by Cain on Oct 10, 2018 The growing season is behind us, which is always welcome after an extremely busy 5 to 6 weeks… still lots going on in the winery, though. A post-growing season growers roundtable meeting will be held at Big Door Vineyards in White, GA on October 31. Big Door Vineyards is located...
Gramoxone (Paraquat) Injury to Young Vines Posted by Phil Brannen on Oct 5, 2018 The school of hard knocks is tough, but lessons learned can be important and they tend to stick.  I encountered an issue in one of our just-planted, on-farm research blocks yesterday.  Vines were collapsing and dying, and symptomatic vines presented a combination of red leaves, and/or leaves with red to...
Downy Mildew Field Failures in 2018 Posted by pbrannen on Sep 27, 2018 This article (see link) reviews the state of grape downy mildew resistance in Georgia as of the close of the 2018 season.  Field failures when using strobilurin (QoI) fungicides have been confirmed in Georgia for both research and multiple commercial vineyard sites.  Of major import, efficacy of several downy mildew...
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