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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
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...
What Farmers Need to Know about Crop Insurance and Prevented Planting Posted by on Jun 1, 2018 by Adam N. Rabinowitz and Yangxuan Liu Southern Georgia has seen a lot of rain during the month of May.  The table below shows the precipitation and number of rainy days in 2018 compared to the average from 2015-2017 for four selected areas in southern GA.  Precipitation in 2018 has been,...
2018 Farm Bill and Seed Cotton Program Timeline Update Posted by on May 15, 2018 By Don Shurley, Yangxuan Liu and Adam N. Rabinowitz The legislative process leading to the next farm bill has now begun.  The current 2014 farm bill will end with the 2018 crop year.  On April 18, the House Agriculture Committee approved The Agriculture and Nutrition Act of 2018 (HR 2). ...
The Impacts of China Trade Tariff on Georgia Row Crops Posted by on May 7, 2018 By Yangxuan Liu, Adam N. Rabinowitz, and Don Shurley China announced plans to implement a 25 percent increase in import tariffs on major agricultural commodities from the United States, which includes soybeans, corn and corn products, wheat, sorghum, cotton, and tobacco and tobacco products. The overall United States export value for these...
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Peach Blog
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...
San Jose scale crawlers are on the move Posted by Blaauw on Apr 18, 2018 The first peak of San Jose scale crawler activity is right around the corner. We have begun capturing considerable numbers of crawlers on April 17 on un-treated research trees in Fort Valley, GA (see image). The peak emergence of scale crawlers in this region is expected to occur within the...
Improving irrigation and fertilization recommendations for young peach plants – Peach Magazine Article Spring Edition Posted by Dario Chavez on Apr 11, 2018 After a couple years of research on irrigation and fertilization of young peach plants at the University of Georgia, encouraging results are guiding further research to develop new guidelines for irrigation and fertilization practices for the southeastern United States.   Accurate and precise irrigation and fertilization management for agricultural crops...
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Peanut Blog
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...
Mid-June Insect Update Posted by on Jun 18, 2018 In spite of the consistent rainfall that much of Georgia’s peanut growing region received from mid-May through early June, I have received several reports of fields at threshold for lesser cornstalk borer (LCB). This insect does not generally thrive under conditions of high soil moisture, but this is a good...
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Pecan Blog
Thoughts On the Arrival of Shell Hardening Posted by Lenny Wells on Aug 9, 2018 We have about reached shell hardening on most of our pecans in Georgia at this point. There are a number of things that come along with shell hardening in the process of growing pecans: Expect to see water stage fruit split soon In the coming weeks you will likely see...
INSECT UPDATE: PECAN WEEVIL Posted by Angel Acebes-Doria on Jul 30, 2018 It is that time of the year again when we expect pecan weevils to be present in the orchards. Peak emergence is expected to be between August 10 and September 20 in Georgia. Therefore, the last week of July would be the ideal time to start monitoring for these weevils...
Leaf Scorch on Young Trees Posted by Lenny Wells on Jul 20, 2018 I’ve had a lot of calls over the last few weeks regarding leaf scorching on young trees. This is a topic I have written and talked about quite a bit over the last few years. See the following links for details from previous posts: https://site.extension.uga.edu/pecan/2016/06/leaf-drop-pecan-roots-and-soil-temperature/ While there are a number of...
Pro Gibb Applications for Black Aphid Posted by Lenny Wells on Jul 9, 2018 Black aphid nymphs and feeding damage For those battling black aphids and considering using Pro Gibb to prevent the damage caused by this insect, applications should begin in mid July and continue for a total of 3-4 sprays. Pro Gibb prevents the development of chlorotic areas caused by black aphid...
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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
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Downy mildew on watermelon detected in Cook County Posted by Dutta on Jun 27, 2018
Recent events of watermelon vine decline in GA Posted by Dutta on Jun 14, 2018 Watermelon vine crash or decline has been reported from number of fields from different counties in southwest GA. Based on the county extension agents’ reports and also from the personal observations made by extension specialists (B. Dutta and T. Coolong), symptoms of vine decline are mostly associated with low-wet spots...
Some relevant information on Powdery mildew of cucurbits Posted by Dutta on May 8, 2018 Powdery mildew is a common disease of cucurbits under field and greenhouse conditions in most areas of the United States.  Although all cucurbits are susceptible, symptoms are less common on cucumber and melon because many commercial cultivars have resistance. This disease can be a major production problem if not manage timely....
Extension Publication on Detecting Plant-Parasitic Nematode Problems in Vegetables (by Dr. Hajihassani) Posted by Dutta on Apr 10, 2018 Please see the attached extension publication on initial steps for detecting plant-parasitic nematode problems in vegetables (by Dr. Hajihassani) To access, please click on the link:  http://extension.uga.edu/publications/detail.html?number=C1126    
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Viticulture Blog
Botrytis Resistance Testing Posted by pbrannen on Aug 13, 2018 Some of you already tried sending Botrytis samples to Clemson for fungicide resistance testing — only to find out that the service was no longer offered. However, Dr. Guido Schnabel will be conducting studies with the PROFILE system in early September, so he is volunteering to take Botrytis samples at...
Vineyard tour / Small Fruit News – “Grape Chores” Posted by Cain on Aug 6, 2018 I look forward to seeing those that are attending the vineyard tour THIS Wednesday. Please come prepared for the weather (humidity, high temperatures, wet grass in the morning, etc.) as we will be out in some vineyards for parts of each stop. We will have refreshments available throughout the tour....
Hey rain… leave! Posted by Cain on Aug 2, 2018 “Rain, rain go away” sounds too fluffy and soft to me at this point… emotions are involved now.  RAIN AND FARMING GRAPES: Growers become rather animated when talking about the weather and how it is (currently negatively) affecting their crop. I completely share their sentiment. It is interesting to see...
Reminder: Vineyard tour next Wednesday Posted by Cain on Aug 1, 2018 The vineyard tour is scheduled for next Wednesday, August 8th. Please see previous post here for tour details and information on how to pre-register, which is required. Note that you do not have to ride on the bus if you do not wish. You may opt to driver your personal...
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