Soybean cyst nematode resistant soybeans help with control–but only with rotation

In Delta Farm Press

New University of Missouri Extension plant pathologist Kaitlyn Bissonnette brings research on soybean cyst nematode (SCN) management to Missouri.

SCN numbers are growing in Missouri as farmers devote more acres to soybean production. SCN infests about 75 percent of Missouri fields, according to a recent survey by MU College of Agriculture, Food and Natural Resources researcher Melissa Mitchum. Many of these fields have high SCN egg counts. Continue reading

Distinguishing Diseases from Chemical Injury in Soybean

Author: Heather Marie Kelly, Extension Plant Pathologist, University of Tennessee

Soybean diseases and chemical injury can be difficult to correctly diagnose in the field. Some general information about diseases in soybean and common chemical injury follow to help distinguish between the two. Continue reading

Grower alert: Frogeye leaf spot now in Alabama soybeans

In Southeast Farm Press

by Paul Hollis

Frogeye leaf spot (FLS) has been observed in numerous fields in central and north Alabama in recent days, according to Ed Sikora, Auburn University Extension plant pathologist.

The disease, he explains, is caused by the fungus Cercospora sojina and can infect leaves, stems and pods of soybeans.

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Sudden Death Syndrome in Soybean showing up in Tennessee

From the UTCrops News Blog

by Heather Young Kelly, Extension Plant Pathologist

Sudden Death Syndrome (SDS) has started showing up in soybean fields in Tennessee. The cool, wet season Tennessee has experienced, similar to last season, has been conducive for the disease to develop in susceptible varieties.

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Soybean sudden death syndrome worse than expected

In Southeast Farm Press

By Don Hershman, UK Extension Plant Pathologist

Soybean sudden death syndrome caused by the soil-borne, root-rotting fungus, Fusarium virguliforme, is evident in soybean fields across Kentucky. I have come to realize that the disease is causing more damage than I had initially thought. This is unusual.

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Disease resistance breakthrough could improve soybean profits

In Southeast Farm Press

By Steve Leer

, Purdue University

Purdue University researchers have identified two genes within the soybean genome that are highly resistant to a soilborne pathogen that causes Phytophthora root and stem rot, a disease that costs U.S. soybean growers more than $250 million annually in lost yield.

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New test determines viability of soybean rust spores

Spores from Asian soybean rust (Phakopsora pachyrhizi) pose a serious threat to soybean production in the United States because they can be blown great distances by the wind.

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