Scouting is key to good yields in fall

Source: United Soybean Board Press Release. and Plant Management Network

Much of the soybean belt has received plenty of moisture this season. Since such conditions are often associated with increased plant disease and a greater threat of aphids and other pests, scouting your fields this summer is especially important.

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Worms reported in early season North Carolina soybeans

In Southeast Farm Press

There are reports of worms in early season soybeans in North Carolina, but at this point density levels aren’t a concern, according to North Carolina Extension entomologist Dominic Reisig.

After sampling numerous fields, Reisig says there are spots where corn earworm and tobacco budworm are present. In a blog posting, Reisig explained that identification is the first step if worms are present in your soybeans.

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UK Corn, Soybean and Tobacco Field Day approaching

Specialists with the University of Kentucky College of Agriculture, Food and Environment will host the Corn, Soybean and Tobacco Field Day July 31 at the UK research farm in Princeton.

The field day begins at 7:30 a.m. CDT and features tours of UK research plots of the three crops. A total of four tours, three of which center around grain crops and one for tobacco, will run concurrently, but producers will have opportunities to visit all.

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Cold winter didn’t deter kudzu bugs in NC

The following is directly from the North Carolina soybean blog, written by Dominic Reisig, entomologist:

I have been monitoring a kudzu patch in Edgecombe Co. since late April this year.  As expected, adults from overwintering flocked to kudzu to feed, mate and lay eggs.  These adults were produced from last year’s batch and survived our colder than normal winter with ease.  Around the middle of May, most adults had died and 99% of the terminals had 30-50 eggs laid by these adults.

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Kudzu bug problems? There’s a wasp for that

In Southeast Farm Press

By Clint Thompson, University of Georgia

University of Georgia entomologist Michael Toews says there’s a wasp that controls kudzu bug populations in Asia, where the kudzu bug originates. The wasp might do the same in the U.S.

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Iowa research show glyphosate not linked to Sudden Death Syndrome

By the Iowa Soybean Association

The world’s most widely used weed killer is not responsible for perpetuating Sudden Death Syndrome (SDS) in soybeans, research shows.

A collaborative effort among soybean researchers in the United States and Canada and found that glyphosate does not increase SDS severity or adversely affect yields in soybean fields. Scientists from five Midwest universities and the Ontario Ministry of Agriculture Food and Rural Affairs, led by Daren Mueller of Iowa State University (ISU) in Ames, participated in the three-year study. Yuba Kandel of ISU analyzed the data.

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NC State University Leads Research into Kudzu Bug Host Preferences

For an exotic invasive insect pest, kudzu bug is fairly easy to control. Spray a pyrethroid, and it’s gone.

The problem is that the pyrethroid also takes with it many beneficial insects that usually keep other soybean pests low in numbers. So although the field may be free of kudzu bugs, it could later be overrun with soybean looper and caterpillar pests that are just as destructive as kudzu bug. So the grower has to keep spraying.

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Frogeye leaf spot advancing in Southern soybean fields

In Delta Farm Press

Frogeye leaf spot (FLS) activity as been increasing in southern soybean fields. And with reports of resistance to some fungicides and difficulty in distinguishing frogeye from other leaf spots and disease, it is harder to control.

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UGA researchers taking part in soybean root-knot-nematode resistance program

In Southeast Farm Press

By Randy Mertens, University of Missouri

Scientists from the University of Georgia, the University of Missouri and the Beijing Genome Institute have teamed up to use next-generation sequencing to identify two genes — out of approximately 50,000 possibilities — that defend soybeans from damage caused by the root-knot nematode (RKN).

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Soybean rust in full force this year in Alabama

From Southeast Farm Press

If you’ve ever thought about spraying a fungicide on soybeans, this would be the year to do it, says Ed Sikora, Auburn University Extension plant pathologist.

“All fields in Alabama, for the most part, have now been exposed to the soybean rust pathogen. We had a lot of soybeans planted late this year, and double-cropped beans were delayed due to wet conditions. These beans are at extreme risk. If you’ve ever thought about spraying a fungicide, this is the year to do it,” said Sikora at the recent East Alabama Crops Tour.

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