SC Corn and Soybean Meeting – 12/7/17


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Question of the Week: Tall Morningglory

Last week the question was:  What is this weed?


This is a tall morningglory, also called the common morning glory.  Morning glories are vines that grow all over the eastern US.  There are a number species have attractive flowers in a variety of colors, however they are frequently pests in agricultural fields.  The vines can bind up equipment and slow down harvest.  For control information, take a look at the SC Pest Management Handbook.


Here is this week’s question:  What is the critter on this goldenrod?


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Rapeseed Up and Growing

Few farmers are trying rapeseed again this year after the disastrous season we had last year.  So far this year the plants are up, growing well, and looking great.  The field below was planted at the end of September.


The weather was fairly dry during planting and we have a good plant stand.  One of our problems last year was Hurricane Matthew coming through right during planting and rapeseed really doesn’t seem to like wet soil during germination.


Hopefully the growing conditions will be better this winter and we can follow our excellent summer crops with a good winter crop.

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Revised Worker Protection Standard Workshops

The EPA will have new WPS regulations that will go into effect in January of 2018.  Take a look at this PDF explaining the differences in the old WPS and the revised WPS:  WPSUpdatedComparsionHandout2016TL[2]

Any grower who has any employees is encouraged to attend one of the workshops listed below.  Here are the registration links to the three workshops:

October 25th, 2017

November 15th, 2017

January 31st, 2018


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Cotton Marketing News – 10/10/17


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Question of the Week: Timber Rattler

Last week the question was:  This snake was found run over on a road in Dillon.  What is it?


This is a timber rattler, or sometimes called a canebrake rattler.  These venomous snakes feed mostly on rodents and are fairly docile when encountered unless they are disturbed.  Their numbers are believed to be declining due to habitat destruction as well as human intolerance for venomous snakes, in fact, being seen by humans is probably the worst thing that can happen to a rattlesnake.  Take a look at this page for more info.


Here is this week’s question:  What is this weed?


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Asian Soybean Rust Found in Dillon

This week Asian soybean rust was found in a field of R6 soybeans in Dillon.  In a 100 leaf sample, only 2 leaves were found to have a small amount of pustules.


Asian soybean rust pustule.  30X magnification.

With the vast majority of our soybeans now at the R6 stage or beyond.  We shouldn’t expect rust to be much of an issue.  If there are any beans out there around the R2 or R3 stage that have not been sprayed with a fungicide, they may see a benefit to using a fungicide.  Otherwise, we should be in good shape.  Most beans are starting to turn their color and several fields have started dropping leaves.  It is very doubtful rust will effect these fields.


For more info about rust and disease control, take a look at the Soybean Disease section of the 2017 SC Pest Management Handbook.

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Question of the Week: NPV

Last week the question was:  What killed this caterpillar?


This is a soybean looper that has succumbed to nuclear polyhedrosis virus (NPV).  This is a virus that infects all kinds of caterpillars.  Caterpillars typically ingest the virus while feeding on plant foliage.  Once infected, feeding and movement slows and the caterpillar takes on a dark, shrivels, semi-liquified appearance.  Once dead, they may be seen hanging from the foliage.  Take a look at this page for more info.


Here is this week’s question:  This snake was found run over on a road in Dillon.  What is it?


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2017 Harvest Getting Underway

We’re getting to the end of a pretty good growing season.  Our corn finished out well and the cotton, peanuts, and soybeans are looking good too.  Very few times this summer has it been dry enough to make our crops stress.


The photo above shows a cotton field in Dillon that’s been defoliated and is ready to pick.   Lots more are ready to defoliate.  Luckily, Hurricane Irma didn’t cause us any significant trouble on this side of the state, so for the first time in a couple years, the weather shouldn’t hold us up from picking.


The warm weather (80+ degrees) is forecast to be around for a while, so it will be important for growers to harvest in a timely manner to avoid as much regrowth as possible.

Lots of peanuts are being dug now.  We’re seeing late leaf spot develop in some fields, so if you still have a while before they’re ready to dig, it may not quite be time to stop managing for foliar disease.


Refer back to this post for tips on checking peanut maturity and make sure you’re digging at just the right time.

Most soybean fields are around R6 now and the leaves are starting to yellow in a lot of places.  A few folks have even started harvesting some early planted fields.


Asian soybean rust has been moving across the state, thanks to Irma, and was most recently found in Orangeburg.  As late in the season as we are, this shouldn’t be expected to impact our yields.  The exception would be if there are some beans still in the V2 or V3 stage.  Then, we may see some benefit from a protective fungicide.


Soybeans at R6.  Seed in the uppermost pods are green in color and full size.

Take a look at the 2017 SC Pest Management Handbook for more info on defoliation or soybean rust protection.

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Question of the Week: Stink Bug Nymphs

Last week the question was:  What just hatched on this soybean leaf?


These are stink bug nymphs that hatched from the barrel shaped eggs to their right.  Stink bugs can be a serious pest in a number of our crops including corn, cotton, soybeans, and several vegetables.  They feed by sticking their piercing/sucking mouth parts into the plant tissue and sucking out sap.  Check the 2017 SC Pest Management Handbook for thresholds for various crops.


Here is this week’s question:  What killed this soybean looper?


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