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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
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...
Publication: Surviving the Farm Economy Downturn Posted by on Mar 16, 2018 by Levi Russell A new publication entitled “Surviving the Farm Economy Downturn” is now available online free of charge. The publication provides a general farm economy outlook as well as discussions of topics such as risk reduction, cost control, alternative crops, livestock sales during drought, crop insurance, ARC and PLC...
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Peach Blog
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...
Plum curculio activity Posted by Blaauw on Mar 21, 2018 Today, March 21, 2018, we collected our first plum curculio of the season in one of our traps in Fort Valley. While we only found one, this indicates that plum curculio are becoming active in middle Georgia peaches, so it is time to start preparing your plum curculio management program....
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Peanut Blog
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...
Check Peanuts for Thrips: Thrips Monitoring 2018: 17 May Posted by on May 21, 2018 Thrips numbers on our traps increased significantly last week. Counts were as high as I have seen in Georgia in four years.  Growers need to be checking their fields for thrips injury especially if no insecticide was used at plant or if a neonicotinoid insecticide was used in-furrow. Thrips injury...
Thrips Monitoring 2018: 4 May Posted by on May 4, 2018 Tobacco thrips captures remained steady for two weeks and then declined over the last seven days. Whether this represents the end of the spring thrips flight remains to be seen, but it certainly is not bad news for peanut growers. As we pass mid-May thirps typically become less of a...
Thrips Monitoring 2018: 18 April Posted by on Apr 25, 2018 Peanuts are being planted, and tobacco thrips are moving in Georgia. Trap captures increased significantly at four of our six monitoring locations last week. This means that peanuts emerging over the next couple of weeks will be at relatively high risk for infestation. Using an at-plant insecticide with proven efficacy...
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Pecan Blog
Desirable Drop and Update on EU Phosphite Regulations Posted by Lenny Wells on Jun 21, 2018 Desirable Drop Most growers know that Desirable drops a few nuts each June, which is one reason they tend to bear a crop every year (see previous blog post). Typical drop for Desirable is to lose 30-60% of the nuts in June. However, its still shocking to most growers to...
INSECT UPDATE: Phylloxera/Shuckworm and Pecan Bud Moth Posted by Angel Acebes-Doria on Jun 13, 2018 As what Dr. Wells posted last month, there have been reports on Phylloxera galls this season and I have seen them myself in a couple of orchards. Phylloxera outbreaks have been known to correlate with increased first generation shuckworm populations. Hickory shuckworm females favor to lay eggs in the Phylloxera...
Managing Scab Pressure/Leaf Roll Mites Posted by Lenny Wells on May 23, 2018 With 10 successive days of rain behind us and no relief in site and a potential tropical storm bearing down on us, pecan growers are under the gun for scab pressure right now. Most days have provided some breaks in the rain showers that have allowed growers to get out...
Phylloxera and Casebearer Update Posted by Lenny Wells on May 17, 2018 Phylloxera damage has become very noticeable this week. If you see galls on the leaves like the image below, that is phylloxera damage. Stem phylloxera (a separate species) shows up as galls in the stems or nuts and is much more damaging.  Once you see damage from either stem or...
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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
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    
Root knot nematodes found on onion (by Dr. Hajihassani) Posted by Dutta on Apr 7, 2018 Onion fields infested with root knot nematodes (RKN) were found in the Vidalia area. As can be seen in the picture (Photo: Aubrey Shirley), typical symptoms of RKN on above-ground parts of plants can involve patchy stunting, poor growth and yellowing of leaves. These symptoms are rather similar to nutrient deficiency. Premature wilting...
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Viticulture Blog
Downy Mildew Resistance in Georgia Posted by pbrannen on Jun 11, 2018 Sarah Campbell, a graduate student in the Plant Pathology Department at the University of Georgia, has been reviewing our situation with downy mildew resistance to three fungicide classes utilized in Georgia.  The maps in the document below show the counties which she has surveyed and whether resistance has been found...
Preparation for grape root borer Posted by Blaauw on Jun 11, 2018 We are within a few weeks of the anticipated initial emergence of grape root borer (GRB) adults here in Georgia. If you are planning on implementing mating disruption as a management tactic for GRB and you haven’t deployed your pheromone dispensers/ties, now is the time to get those distributed.  If...
Muscadine conference scheduled for July 26th in Americus, GA Posted by Cain on Jun 9, 2018 There will be a muscadine conference held on Thursday, July 26th. The event will be hosted by Wolf Creek Plantation (https://www.wolfcreekplantation.com/) in Americus, GA. Thanks in advance to Matt Johnson and his crew for hosting this event. Agenda is as follows: 8:45 – 9:15 AM: Registration and coffee; welcome, Cain...
Early June Agricultural Outlook for Summer and Fall in the Southeast Posted by Pam Knox on Jun 9, 2018 Great to see some of you at the West Georgia winegrape symposium today! For those who missed it, here is a summary of what I am expecting for climate conditions this summer and fall. One month ago, dry conditions across Georgia were hampering the best efforts of producers to get...
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