Monthly Archives: October 2014

Georgia Clean Day Announced

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A 2014 pesticide clean day has been announced for our area. This program is organized and administered by The Georgia Department of Agriculture, through funding provided by the US Environmental Protection Agency (EPA). This program gives everyone an opportunity to properly dispose of old, unusable pesticides that are no longer needed or that are no longer labeled. The collected materials are turned over to a hazardous waste contractor for disposal. There is no fee charged to participate in this program but you must pre-register by October 27, 2014.

Take advantage of this opportunity to eliminate and minimize liabilities associated with continued storage of unwanted/unlabeled wastes on your property and/or farm.

Call the Brooks County Extension office if you need additional information at 263-4103. In order to participate, you must register materials. Here is a 2014 Georgia Clean Day Registration Form.

Here is a snap shot of acceptable and excluded materials:

GaCleanDay-3

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Harvest-Aid Applications In Soybeans

UGA Extension Weed Scientist Dr. Eric Prostko warns us to avoid early-harvest-aid applications in soybeans.

“Early applications (>40% seed moisture) will likely result in significant soybean yield loss as a result of reduced seed weights (Below).  The 40% seed moisture contest roughly coincides with the R6.5 to R7 stages of growth.  R6.5 = Full Seed = all normal pods on 4 uppermost nodes have pod cavities filled.  R7 = Beginning Maturity = one normal pod on main stem of all plants has reached mature color (Below). Official UGA soybean harvest aid recommendations can be found on page 517 of the 2014 UGA Pest Management Handbook. ”

SoybeanYieldLoss-GainResponseParaquat

SoybeanReproductiveGrowthStages

 

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Mid-Atlantic Grazing Conference

Mid-Atlantic Grazing Conference set for November 12-13 in Moultrie, GA.  The program is packed with information to improve management on pasture-based dairying in the Southeast. The program includes in classroom material, on farm discussions, and demonstrations with simulators and equipment.

  • Grazing management
  • Genetic selection
  • Branding and marketing
  • Herd management
  • Building soil organic matter
  • Rainfall/runoff simulator
  • Equipment demonstrations
  • Incorporation of Corn Silage

The conference is also offering an optional tour for November 14th.

The attached flyer has the event’s website.  The website has up to date information regarding the agenda as well as how to register and where to stay.  If you register by November 1 and use the promotional code “EARLY2014”, you’ll receive a 10% discount.

DairyGrazingConference

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Peanut Harvest

PeanutDigging 008

Like most others we are a little behind in peanut harvest due to early season rains and now current weather conditions.  Irrigated peanuts are okay and even some dryland fields are having good yield reports. The driest part of the county is the northwest corner where spider mites have also been an issue. There have been some issues with grade where peanuts had rain after being dug and having a hard time drying back out. Here is a good post by Seminole Agent Rome Ethredge on Lifting, Reshaking, Fluffing.

We’re still checking peanut maturity for some fields. Last week, many samples checked did not progress as much from the week before. Where there is soil moisture, peanut maturity sampled this week will have time to move especially with temperatures increasing this week. We need to also pay close attention to vine strength for peanuts remaining in the ground.

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Pepper Weevils

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Pepper Weevil Frass on seeds

Pepper Weevil frass on seeds

Coming back from our area wheat meeting Wednesday, Colquitt County Ag Agent Amber Arrington and I stopped in Pavo to look at some bell peppers where Tim Flanders had found pepper weevils. These beetles get inside the fruit as it is developing and oviposit. Once eggs hatch, the larvae feed on the seeds. This problem is first noticed by observing spots where peppers are aborted. Aborted peppers is not necessarily ID feature of weevils since the plant can abort fruit during dry conditions. Cracking open smaller fruit reveals black frass from larvae (Above).

We found a few larvae and pupae. Here is a photo of a pupae taken by Amber Arrington:

Pepper Weevil Pupae

Pepper Weevil Pupae

At this point, all growers can do is use pyrethroids to knock down adult weevils.  UGA Extension Vegetable Entomologist Dr. Stormy Sparks says they are typically long lived as adults. They can overwinter here during a mild winter. A hard winter like last year would knock them back.

Pepper weevils are usually imported. They also reproduce on nightshade. If you have a gap between planting bell peppers, weevils do not do well with heat.

Dr. Sparks advises if planting in Spring to start with clean transplants. If you have a history of pepper weevils, make an insecticide application before they reproduce. They reporudce on buds and fruit, but prefer buds. Make application when you see buds. Prior to reproduction, they feed on leaves. Once the eggs are laid, there is nothing you can do until adults come. Systemic products mostly travel through xylem, but fruit is fed through phloem.

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USDA Farm Program Help

Thanks to Seminole County Agent Rome Ethredge for putting this information together on his blog:

Seminole Crop E News

USDA Announces ARC/PLC Timeline and Decision Tools

Secretary of Agriculture Vilsack announced on September 26th the availability of the ARC/PLC web-based decision tools. He later announced that farm owners may begin to update their yield history and reallocate base acres through their local Farm Service Agency (FSA) office. In addition, the timeline for landowners and producers to make decisions regarding reallocating base acreage, updating program yields, ARC or PLC program election and program signup has been announced.

ARC/PLC Timeline

 September 29, 2014 – February 27, 2015: Owners have a one-time opportunity to reallocate the farm’s base acres or update yields.

 November 17, 2014 – March 31, 2015: Producers make election which will remain in effect for the 2014-2018 crop years, of the following: 1) PLC or ARC County on a covered commodity-by-commodity basis; or 2) ARC Individual for all covered commodities on the farm.

 Mid-April 2015 –…

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Turf Diseases Showing Up

Courthouse-TakeAllPatch 003

In between looking a peanut maturity samples, a few commercial landscape managers brought in some turf to check for disease. With temperatures decreasing and high humidity, conditions are right for turf disease. Looking at a few samples of St. Augustinegrass, I found both Large Patch (Rhizoctonia solani) and Take-All Root Rot(Gaeumannomyces graminis). Take-All Root Rot can cause severe decline and usually results when pH is high. This St. Augustinegrass (above) was planted at the courthouse a few years ago. Initially there were problems with the grass yellowing. A soil test confirmed a pH above 7.5 which was result of liming material used during recent construction/renovation of the courthouse. This year, take-all is showing up. Under a dissecting microscope, you can see the mycelium on the stolon of St. Augustine (below).

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Take-All Root Rot on leaf blade

When placed under a compound microscope, the hyphopodia, also called “puzzle pieces”, are the key ID feature of take-all patch (below).

Take-All Root Rot - Hyphopodia

Take-All Root Rot – Hyphopodia

Large Patch

Large Patch

In another sample, Large Patch was evident. These mycelium do not have hyphopodia. Three characterisitics of these mycelium are 1) Brown, septate hyphae (cross walls) 2) Mycelium branching at 90 degree angle 3) Tapering at the branch.

Long-term management of turf diseases are more practical. This includes aerating, dethatching, proper fertilization, irrigation etc. Aerating the lawn once of a few times during the growing season each year will allow oxygen and water to get to the roots and break up thatch which harbor disease and insects. Provide an inch/week  of water between 9pm and 9am to reduce leaf wetness and provide efficient irrigation. When disease is prominent and fungicide application is necessary, UGA Extension Pathologist Dr. Alfredo Martinez recommends a fall and a follow up spring application of a recommended fungicide. Here is a table of fungicides from the 2014 UGA Pest Control Handbook.

More information on these diseases can be found at UGA Publication- Turf Diseases In GA: Identification & Control.

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