2013
Assessment of brown stem rot in North Dakota
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Contributor/Checkoff:
North Dakota Soybean Council
Category:
Sustainable Production
Keywords:
Crop protectionDiseaseField management
Parent Project:
This is the first year of this project.
Lead Principal Investigator:
Samuel Markell, North Dakota State University
Co-Principal Investigators:
Darin Jantzi, National Agricultural Statistics Service
Kasia Kinzer, North Dakota State University
Berlin Nelson, North Dakota State University
+2 More
Project Code:
Contributing Organization (Checkoff):
North Dakota Soybean Council
(n/a)
Institution Funded:
North Dakota State University
(n/a)
Brief Project Summary:

Brown Stem Rot (BSR) is a common disease in several large soybean producing states including Iowa, Illinois, and Minnesota (southern portion of the state). The disease is capable of causing 25% yield loss, and is often associated with soybean cyst nematode (SCN). Although the disease was thought to exist in North Dakota, at low levels a crop consultant suggested that we were underestimating its importance during the NDSC Soybean Cyst Nematode workshop in March 2011.

In an effort to assess the distribution of Brown Stem Rot in North Dakota, cut soybean stems were collected during the SCN survey in 2011 (in coordination with NASS). To date, we have evaluated the pith of 20 stems each...

Unique Keywords:
#brown stem rot (bsr), #disease, #scn and brown stem rot, #soybean diseases, #stem rot
Information And Results
Project Deliverables

Final Project Results

BSR was confirmed in North Dakota based on isolation and molecular assay of the pathogen from infected soybean stems in 2011. The two surveys in 2011 and 2012 reveal the disease in 20 counties of the state . Although both genotypes A and B of the pathogen were detected in the state, the fact that genotype B is more predominant and it can infect without causing visible or typical BSR foliar symptoms on soybeans, means the disease may be occurring more than is reported.

The United Soybean Research Retention policy will display final reports with the project once completed but working files will be purged after three years. And financial information after seven years. All pertinent information is in the final report or if you want more information, please contact the project lead at your state soybean organization or principal investigator listed on the project.