Seminole Crop E News

Agricultural News for Farmers and Agribusiness in SW Georgia

Archive for the ‘Soybeans’ Category

Soybeans yellow and Dropping leaves

Posted by romeethredge on October 24, 2014

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Here’s a pivot that has full season soybeans on the left side. On the right a crop of field corn was grown and then these Ultra late soybeans were planted and they are still green and growing strong. The beans that were planted early are turning yellow and dropping leaves as they approach maturity.

I’ve had questions lately about irrigation termination on soybeans. You are generally safe to terminate irrigation if you have good soil moisture when the seeds fill the pods and the pods start to change to the yellow color in the top 4 nodes of the plant. Mississippi State has a good blog post concerning this subject.  Soybean Irrigation Termination http://www.mississippi-crops.com/2014/08/25/soybean-irrigation-termination-2/

 

Some full season soybeans will be harvested soon. These warm days will help finish out the season for the Ultra late planted soybeans.

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Downy in Soybean

Posted by romeethredge on August 27, 2014

Downy mildew of soybean is being found now in most all the fields I go into at low levels.  Downy mildew is easily identified as yellow spots on leaves with a characteristic tuft of fungal growth on the underside of each spot.  One may need to look carefully to see the fungal growth, which is typically a grey color.

 Dr. Bob Kemerait, UGA Extension Scientist says, “The University of Georgia typically does not recommend spraying fungicides for control of downy mildew because a) the disease is not believed to cause significant yield losses, and b) our fungicides for control of soybean diseases less effective against that type of fungus.”

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Soybeans – Ultra late are ultra buggy

Posted by romeethredge on August 18, 2014

Ultra late soybeans planted after corn harvest are having foliage feeder problems. This field I was in had many Beet Armyworm (BAW) hatchouts that were eating quite a bit. They looked good otherwise. Grower will soon go in with a herbicide for weeds and volunteer corn.  They are watering very often to the the beans growing well as we need good growth on this quick crop.

 

 

 

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Kudzu Bugs – Ready to Control

Posted by romeethredge on July 22, 2014

I looked at 2 blooming soybean fields today, and one had a good hatchout a few days old of juvenile kudzu bugs and the other had some just coming out of the eggs.

The grower chose to spray the one that has many juveniles hatched out. He also has a lot of various caterpillars and some foliage damage so he will piggyback a spray for caterpillars as well or use a combination product that will get both.

It was kind of surprizing that we’re seeing a few Velvet bean caterpillars (VBC), it’s a little early for them. We are seeing several types of caterpillars, mainly fall armyworms, beet armyworms  and soybean loopers.

The other grower will wait a few days to make sure most all of this second generation is hatched out so we can get a good kill. He doesn’t have many foliage feeders so he will just go with a pyrethroid for the bugs and some boron.

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In this photo below you can see the white egg cases.

 

 

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Soybeans – Kudzu bugs

Posted by romeethredge on July 18, 2014

We are seeing good numbers of kudzu bugs in soybeans now. Folks are asking what to do.

We don’t need to treat until the second generation in soybeans. In other words we need to wait until we see the young fuzzy nymphs before we treat them. This is usually when we have young pods on the plants.

 If you go by a patch of Kudzu, you can see all phases of bugs now, nymphs, eggs and adults. The second generation on Kudzu has moved to soybeans in many fields.

Here’s a link back to a comprehensive Kudzu bug post I made a while back. http://seminolecropnews.wordpress.com/2013/05/30/seeing-more-and-more-kudzu-bugs/

UGA Photo by Russ Ottens

Kudzu bug

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Here’s Jim Dozier in some of his soybeans we recently looked at. They had a few foliage feeders but nothing bad enough to treat.

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Soybeans

Posted by romeethredge on June 19, 2014

Soybeans are growing well. Soybeans don’t do well with hot soil so it’s important to have the soil moist before planting.

It’s interesting that thrips are in them like we see in other crops but they don’t affect them nearly as badly.

This field is planted into wheat stubble in 36 inch rows.

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Here we have some planted into wheat stubble with a grain drill in 7.5 inch rows.

 

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Ga Fla Soybean /Small Grain Expo

Posted by romeethredge on January 21, 2014

The Ga Fla Soybean / Small Grain Expo is coming up and it will be in Perry Georgia. Here’s the details.

 

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Ultra late Soybeans

Posted by romeethredge on November 1, 2013

Ultra late soybeans are turning colors and dropping leaves in many fields. Usually this does happen about the third week in October in deep south Georgia. We were late planting these soybeans after field corn this year and they don’t look as good as usual. Also, the plant stands in some fields aren’t very good. They didn’t get the height that we would like to see but they are full of soybeans.

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Grazing Flown On

Posted by romeethredge on October 25, 2013

Hey, if the cows are going to soon be hungry, you can get a jumpstart on fall grazing by flying on a small grain while the summer crop is in the field, Jack.

It’s hard to get a stand as good as you would get by waiting and drilling or disking in the seed, but every situation is different. Here are some photos of where we did this in soybeans, The grower waited until most of the leaves were off the soybeans so the airplane could get good coverage of the area and so there wouldn’t be so many leaves covering the seedlings. This grower used 2 bushels of wheat per acre. They were flown on by an aerial applicator and the grower started up the irrigation and very lightly watered the field and did it again in three days. It looks like we have good germination, and after the soybeans are harvested he should be able to put his cattle in to graze in a short period of time. It won’t be perfect but they will have some grazing earlier than they would have and the cow won’t jump over the moon but the airplane came close.

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Posted in Forages, Livestock, Soybeans | Tagged: , , | 3 Comments »

Soybeans – Dropping Leaves

Posted by romeethredge on October 25, 2013

Soybeans are dropping their leaves and harvest time is approaching for the full season crop.  Grower sprayed them twice with fungicide and once for caterpillars and once for stinkbugs and kudzubugs, so they have been cared for and I believe they will yield well.

Preharvest soybean losses can be minimized by planting shatter-resistant varieties and early harvest.

Soybeans should be harvested shortly after their moisture content first reaches 14-16 percent if possible or the buyer may require them to be 13% if you aren’t going to dry them.

The cylinder and fan speed must be adjusted to fit threshing conditions. When the moisture

content of the soybeans is above 13 percent, they are usually tough; so the cylinder speed may

have to be increased to 600 rpm. As soybeans dry, lower the cylinder speed to reduce breakage;

450 to 550 rpm should be high enough for soybeans that are below 13 percent in moisture

content.

 

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