Seminole Crop E News

Agricultural News for Farmers and Agribusiness in SW Georgia

Archive for March, 2015

Some Wheat Heading

Posted by romeethredge on March 27, 2015

Some of the earlier planted wheat is now heading and a few plants are even blooming at this time. Crop scout Mike Jones and I looked at this field near Brinson this week.

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Carinata Setting Pods

Posted by romeethredge on March 27, 2015

Here we have our Carinata blooming well and starting to set pods. It’ll be jet fuel soon enough.

 

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Corn Growing Well

Posted by romeethredge on March 27, 2015

Corn is really growing well, with our warm temperatures and good growing conditions. One grower today told me he doesn’t think he’s ever seen corn pop up growing like it is now. Another said this 3 week old corn looks like it is a week ahead of normal. Some weed controls are being applied and some fertilization going on. Some watering happening, mostly to wet in fertilizer and to activate herbicides.

We are at V3, or Vegetative State 3 at this point with our oldest corn. We have 5 leaves on some corn and there are 3 leaf collars visible on the plants as shown here. We don’t count the leaf until it has a collar like I’m pointing at.

At this point the growing point is still very low, at just below soil level, if planting depth was good.

Several folks are through planting corn at this point.

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Question of the Week – Peanuts held by Vacuum

Posted by romeethredge on March 27, 2015

Calvin Atkinson, of Dollar Family Farms, answered last week’s question correctly: “Vacuum planters. Monosem to be exact. Seeds are pulled to plate which runs vertically. They are then scraped off at seed opener.”

Most of these are bought to plant peanuts but they are used for corn and canola and soybeans and other crops as well.  Donalsonville’s own Steve Spooner was involved with the twin row concept and planter development.

Here’s some corn planted with that planter, it does a good job. Most of these are bought to plant peanuts but they are used for corn and canola and soybeans and other crops as well.

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This week’s question: What are these roundish globs floating in a pond I went to last week?

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Wheat Disease

Posted by romeethredge on March 27, 2015

 Leaf rust of wheat(Puccinia triticina syn P. recondita) has been found in some area wheat fields. It’s been seen in Mitchell county and consultant Wes Briggs found some this week near the airport, here in Donalsonville.

Here’s a small spot of wheat leaf rust with some powdery mildew on the right side.

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 Here’s a super closeup.

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UGA Plant pathologist, Alfredo Martinez has this disease report. Recent weather patterns observed in the southern US can contribute to the dispersal and establishment of the disease. Additionally, favorable environmental conditions for leaf rust development are developing or are now in place in the state; THEREFORE wheat field scouting and monitoring should be implemented at this time. If leaf rust is present in your field, this warrants a fungicide application and the options include:

Triazoles

metconazole (Caramba)

propiconazole (Tilt, Propimax)

prothioconazole (Proline)

prothioconazole + tebuconazole (Prosaro)

tebuconazole-containing products (Folicur, others)

Strobilurins

azoxystrobin (Quadris)

fluxastrobin (Evito)

picoxystrobin (Aproach)

pyraclostrobin (Headline)

Mixed mode of action

fluoxapyroxad + pyraclostrobin (Priaxor)

flutriafol + fluoxastrobin (Fortix)

propiconazole + azoxystrobin (Quilt, QuiltXcel)

propiconazole + trifloxystrobin (Stratego)

prothioconazole + trifloxystrobin (Stratego YLD)

pyraclostrobin + metconazole (Twinline)

tebuconazole + trifloxystrobin (Absolute)

tebuconazole + azoxystrobin (Custodia)

When leaf rust has become established in a field, triazole fungicides tend to be most effective. Strobilurins have a more preventive activity and tend to be weaker if rust is already in the field. Remember that protection of the flag leaf is of essential importance for yield preservation. A complete list of wheat fungicides, rates and specific remarks and precautions can be found on page 60 of the 2014-15 Wheat Production Guide (http://www.caes.uga.edu/commodities/fieldcrops/gagrains/documents/2014-2015WheatProductionGuide.pdf  ). Always follow product label for recommendations, precautions and restrictions. More information on identification and control of leaf rust can be found at http://extension.uga.edu/publications/detail.cfm?number=C1060

3.              Powdery Mildew: Powdery mildew (Blumeria graminis; syn Erysiphe graminis) infections on wheat fields have been reported and confirmed recently across the state, especially in the southernmost part of the state. Weather has been conducive for the disease. Powdery mildew tends to diminish as temperatures consistently reach above 75ºF and RH falls below 85%. If powdery mildew progresses up the plant and is found in upper leaves (flag leaf minus 2) you might consider a fungicide application. Refer to page 9 of the 2014-15 Wheat Production Guide for wheat varieties response against powdery mildew.

4.              The North Central Extension and Research Committee (NCERA-184) for the management of small grain diseases has developed an excellent guide for wheat fungicide efficacy in a table format http://www.ksre.ksu.edu/bookstore/pubs/EP130.pdf  .  The information is updated yearly. The 2015 table is not available yet but the data from 2014 is still valid.

5.  Two new publications are now available on Wheat Leaf Rust http://extension.uga.edu/publications/detail.cfm?number=C1060   and Wheat Powdery Mildew http://extension.uga.edu/publications/detail.cfm?number=C1059

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Grow More Hay

Posted by romeethredge on March 23, 2015

I’ve had a couple of growers lately say that hay is a profitable part of their farm and they would like to grow more of it per acre. Here’s a great meeting to go to to get some good hay and forage growing information.  Go to Georgia Forages.com and click on upcoming events. It’s on April fool’s day but it’s no joke.

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Wheat – Flag leaf Stage

Posted by romeethredge on March 20, 2015

Some of our wheat is in the flag leaf stage, now. I took these photos yesterday in a field of  wheat that was planted about November 20th and is the Pioneer 26R94 variety.

Notice the head emerging in one photo. This was pretty rare though, in this field.

This is entering a critical stage for wheat as we want to protect the flag leaf for maximum grain yield.

I found no rust in this field and just a little powdery mildew. There has been leaf rust found in Mitchell county, however, already.  If we plan to make a preventative fungicide then we need to be preparing to make that application as soon as all the heads emerge unless disease threatens before that point.

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Corn Popping up in Rows

Posted by romeethredge on March 20, 2015

With our recent heat the corn is really popping up in rows for us.

 This corn in photo below was only in the ground for a week. But check out the growing degree days (GDD) for last week (georgiaweather.net) . Over 100 compared to half that in the same time frame for the last 2 years.

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Corn Planting Going Strong – Test Plots Going in

Posted by romeethredge on March 20, 2015

A lot of corn was put in the ground this week. We dodged some of the rains and a lot got done here lately.

Grady County Agent, Brian Hayes and I helped  put in 2 corn hybrid test plots in Decatur and the edge of Grady Counties. We also put one in at the Mim’s Farm in deep southern Seminole County.

We also have a Corn Southern Rust Sentinel Plot at the Mim’s farm about as far south as you can get and still be in Georgia, so we can tell when Southern rust moves in from the south.

These first photos are of Clint Mims, Jason Roberts on the planting rig, and Ethan Fiveash was running the rip stripper ahead of the planter rig. They are using the twin row “peanut” planter to plant corn as they usually do. These are 9 inch twins based on a 36 inch middle._DSC0595

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Check out Clint’s shirt.

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Next we have Jud Greene’s test plot going in near Brinson, Georgia. Marvin Stewart and Jud’s crew were helping. You can see that they have everything hooked together on the 6 row rig, 36 inch spacing.

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Now near Whigham Georgia, Jerry Jones, Brian and Kevin Vantrees of Dow and he’s also an ABAC Student, put in another plot.

We work with growers and industry to put these in to get local data concerning available corn hybrids to help growers make good seed selection decisions.  These growers use their own precious time and resources to make this happen to help us all out.

Data from the last 2 years of these trials is available on this blog here, Corn Hybrid trial results 2014,2013.

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Austrian Winter Peas for Cover Crop

Posted by romeethredge on March 20, 2015

Austrian winter peas make a good cover crop and they leave organic matter and some nitrogen for a future crop in the soil since they are a legume. Local grower Stan Deal is growing some this year. He plans to take it to seed harvest in this case so he can market the seed.

He wanted to get it planted in mid December but rains hampered that and he planted 2 fields on Jan 3 with a 7.5 inch spacing, no till drill into soybean stubble.

He ‘s getting some pretty good growth now and will have considerably more before the season is over.

Later we will take a Biomass Sample to send to our UGA lab to determine how much Nitrogen will be available for the future crop. We will use the Cover crop nitrogen prediction tool developed by UGA’s Julia Gaskin.

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Nodulation is good on the roots, he put out a good innoculant at planting specific for Austrian winter peas to ensure the right rhizobium is present to make the process work well.

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Here’s a chart from Julia showing what we can plan to get from cover crops.

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