Extension Publications

Disease Fact Sheets

 

Corn Disease Fact Sheets

Corn Rusts: Common and Southern Rust

Gray Leaf Spot in Corn

 

 

Cotton Disease Fact Sheets

Bacterial Blight of Cotton

Cotton Seedling Diseases

Cotton Root Knot Nematode

svnvSoybean Disease Fact Sheets

Vascular Diseases

Soybean Seedling Diseases

Soybean Stem Canker

Soybean Sudden Death Syndrome

Soybean Charcoal Rot

Fusarium wilt of Soybean

Phytophthora Root and Stem Rot

Red Crown Rot of Soybean

Southern Blight of Soybean

Anthracnose of Soybean

White Mold of Soybean

Foliar Diseases

Soybean Powdery Mildew

Asian Soybean Rust

Brown Spot of Soybean

Cercospora Blight of Soybean

Frogeye Leaf Spot of Soybean

Target Spot of Soybean

Bacterial Blight of Soybean

Aerial Web Blight

Seed Decay and Pod Blight

Virus Diseases

Bean Pod Mottle Virus

Soybean Mosaic Virus

Soybean Vein Necrosis Virus

Tobacco Ringspot Virus of Soybean

Cowpea Chlorotic Mottle Virus of Soybean

Nematodes

Soybean Cyst Nematode

Soybean Root Knot Nematode

Reniform Nematode of Soybean

Lance Nematode of Soybean

Sting Nematode of Soybean

Stubby Root Nematode of Soybean

Lesion Nematode of Soybean

Tobacco Disease Fact Sheets

Granville Wilt of Tobacco

Black Shank of Tobacco

Brown Spot of Tobacco

Frogeye Leaf Spot of Tobacco

Target Spot of Tobacco

Root Knot Nematode of Tobacco

Steam Sanitation of Tobacco Float Trays

 

Industrial Hemp Disease Fact Sheets

Pythium Root and Crown Rot of Industrial Hemp

Gray Mold of Industrial Hemp

 

Peer Reviewed Extension Publications*

*If there are specific publications that you’re unable to view that you would like access to, please contact us.

García, R.O. and Thiessen, L.D. 2020. Combining microbial-based products and host resistance for management of Granville wilt in flue-cured tobacco, 2019. Plant Disease Management Reports. 14:V160.

Schappe, T.L. and Thiessen, L.D. 2020. Evaluation of traditional and organic foliar fungicides on industrial hemp in Clayton, North Carolina in 2019. Plant Disease Management Reports. 14:V150.

Joyce, A.L., Ernst, A.F., and Thiessen, L.D. 2020. Evaluation of foliar fungicides for control of grey leaf spot on corn, eastern NC 2019. Plant Disease Management Reports. 14:CF171.

Joyce, A.L., Rosado Rivera, Y.I., and Thiessen, L.D. 2020. Management of damping off in cotton using seed treatments, Rocky Mount 2018. Plant Disease Management Reports 14:CF055.

Rosado Rivera, Y.I., García, R.O., and Thiessen, L.D. Small plot test for Granville wilt resistance in flue-cured tobacco varieties in North Carolina, 2019. Plant Disease Management Reports. 14:CF068

Ernst, A.F., Joyce, A.L., and Thiessen, L.D. 2020. Evaluation of nematicides for the management of root-knot nematode in cotton, 2019. Plant Disease Management Reports. 14:N008.

Ernst, A.F., Joyce, A.L., and Thiessen, L.D. 2020. Evaluation of nematicides and cotton varieties for the management of root-knot nematode, 2019. Plant Disease Management Reports. 14:N009

Rosado Rivera, Y.I., García, R.O., and Thiessen, L.D. 2020. Regional farm test evaluation for Granville wilt resistance in flue-cured tobacco in North Carolina, 2019. Plant Disease Management Reports. 14:CF067.

Rosado Rivera, Y.I. and Thiessen, L.D. 2020. Black Shank Regional Farm Test, Edgecombe County, North Carolina, 2019. Plant Disease Management Reports. 14:V096.

Rosado Rivera, Y.I., García, R.O., and Thiessen, L.D. 2020. Official variety test for Granville wilt resistance in flue-cured tobacco in North Carolina, 2019. Plant Disease Management Reports. 14:CF066

Rosado Rivera, Y.I. and Thiessen, L.D. 2020. Black Shank Regional Small Plot, Edgecombe County, North Carolina, 2019. Plant Disease Management Reports. 14.V095.

Rosado Rivera, Y.I. and Thiessen, L.D. 2020. Black Shank Official Variety Test, Edgecombe County, North Carolina, 2019. Plant Disease Management Reports. 14:V097.

Rosado Rivera, Y.I., García, R.O., and Thiessen, L.D. 2020. Small plot test for Granville wilt resistance in flue-cured tobacco varieties in North Carolina, 2019. Plant Disease Management Reports. 14:CF068.

Rosado Rivera, Y.I. and Thiessen, L.D. 2020. Evaluation of nematicides for southern root knot nematode management in tobacco, Columbus County 2019. Plant Disease Management Reports. 14:N017.

Rosado Rivera, Y.I., Harrell, N. , and Thiessen, L.D. 2020. Evaluation of fungicides for black shank management in flue-cured tobacco, Wilson County, North Carolina 2019. Plant Disease Management Reports. 14:V114.

Rosado Rivera, Y.I. and Thiessen, L.D. 2020.Fungicide and variety selection for black shank management in flue-cured tobacco in North Carolina, 2019. Plant Disease Management Reports. 14:V115.

Rosado Rivera, Y.I., Spivey, B. , and Thiessen, L.D. 2020. Evaluation of pesticides for guava root knot nematode control on tobacco, Johnston County 2019. Plant Disease Management Reports. 14:N018

Joyce, A.L. Rosado Rivera, Y.I. and Thiessen, L.D. 2020. Management of root knot nematode in cotton using chemical treatments, Whiteville 2018. Plant Disease Management Reports. 14:N016.

Joyce, A.L., Rosado Rivera, Y.I. and Thiessen, L.D. 2020. Management of damping-off in cotton using seed treatments, Rocky Mount 2018. Plant Disease Management Reports. 14:CF055

Osmond, D., Gatiboni, L., Richardson, R., Burrack, H., Thiessen, L.D., Neal, J., and Jennings, K. Alternative Product Demonstration and Research Guidelines for Extension Agents. 2019. AG-868. https://content.ces.ncsu.edu/alternative-product-demonstration-and-research-guidelines-for-extension-agents

Vann, R. A., Dunphy, J., Thiessen, L.D., and Buffaloe, M. 2019. How Have Foliar Treatments Affected Soybean Yields in North Carolina Trials? NC State Extension. AG-859. https://content.ces.ncsu.edu/how-have-foliar-treatments-affected-soybean-yield-in-north-carolina-trials

Beacorn, J.A. and Thiessen, L.D. 2019. Evaluation of fungicides and timings for control of Fusarium Head Blight on Sorghum, Wake County 2018. Plant Disease Management Reports.13:CF053.

Joyce, A.L. and Thiessen, L.D. 2019.  Management of soybean cyst nematode using seed treatments, Jackson Springs 2018. Plant Disease Management Reports. 13:ST004

Joyce, A.L. and Thiessen, L.D. 2019. Evaluation of foliar fungicides for control of Grey Leaf Spot on corn, Plymouth 2018. Plant Disease Management Reports. 13:CF146

Cude, S.J.S, Joyce A.L., Britton T., and Thiessen, L.D. 2019. Evaluation of seed treatments for root knot nematode management on soybean, Benson 2018. Plant Disease Management Reports. 13:ST007.

Cude, S.J., Joyce A.L., Britton T., and Thiessen, L.D. 2019. Seed treatment evaluation for control of root knot nematodes on soybean, Engelhard 2018. Plant Disease Management Reports. 13:ST008.

Rosado-Rivera, Y. I., Spivey, B., and Thiessen, L.D. 2019. Chemical controls for the management of Meloidogyne enterolobii in flue-cured tobacco, 2018. Plant Disease Management Reports. 13:N003

Rosado-Rivera, Y. I., Bennett, M., and Thiessen, L.D. 2019. Evaluation of nematicides for the management of M. enterolobii in flue-cured tobacco, 2018. Plant Disease Management Reports. 13:N002

Rosado-Rivera, Y. I., King, D., and Thiessen, L.D. 2019. Evaluation of chemical programs to manage Tomato spotted wilt virus in flue-cured tobacco, Sampson County, NC, 2018.  Plant Disease Management Reports. 13:V101.

Rosado-Rivera, Y. I., Harrell, N., and Thiessen, L.D. 2019.  Evaluation of fungicides for control of black shank of tobacco, Wilson County, NC, 2018. Plant Disease Management Reports. 13:V098.

Rosado-Rivera, Y. I., Bradley, A., and Thiessen, L.D. 2019.  Evaluation of varieties and fungicides for control of black shank on tobacco, Edgecombe County, NC, 2018. Plant Disease Management Reports. 13:V102.

Rosado-Rivera, Y. I. and Thiessen, L.D. 2019. Evaluation of fungicides to manage foliar diseases of flue-cured tobacco, Oxford NC, 2018. Plant Disease Management Reports. 13:V103.

Rosado-Rivera, Y. I. and Thiessen, L.D. 2019. Evaluation of fungicides programs to control black shank on tobacco, Edgecombe County, NC, 2018. Plant Disease Management Reports. 13:V099.

Rosado-Rivera, Y. I. and Thiessen, L.D. 2019. Evaluation of tobacco varieties for resistance to Granville wilt, Granville County, North Carolina, 2018.  Plant Disease Management Reports. 13:V100.

Rosado-Rivera, Y. I. and Thiessen, L.D. 2019. Evaluation of tobacco varieties for resistance to Black shank, Edgecombe County, North Carolina, 2018. Plant Disease Management Reports. 13:V097.

Garcia-Rodriguez, R., Spivey, B., and Thiessen, L.D. 2019. Field testing of biocontrols and host resistance for management of Granville wilt in flue-cured tobacco. Plant Disease Management Reports. 13:V001.

Garcia, R. and Thiessen, L. 2018. Greenhouse screening of commercially available biological control agents not registered for tobacco as an alternate treatment for the management of Ralstonia solanacearum, 2018. Plant Disease Management Reports.12:CF200.

Schappe, T. and Thiessen, L. D. 2018. Black shank resistance in flue-cured tobacco in North Carolina, 2017. Plant Disease Management Reports.12:V034.

Rosado-Rivera, Y. I. and Thiessen, L. D. 2018. Evaluation of fungicides for control of black shank on tobacco, Yadkin and Edgecombe County 2017. Plant Disease Management Reports.12:V030.

Joyce, A. L. and Thiessen, L. D. 2018. Evaluation of seed treatments for control of nematodes on soybean in east-central North Carolina, 2017. Plant Disease Management Reports. 12:N030.

Joyce, A. L. and Thiessen, L. D. 2018. Evaluation of seed treatments for control of nematodes on soybean in coastal North Carolina, 2017. Plant Disease Management Reports.12:N031.

Rosado-Rivera, Y. I. and Thiessen, L. D. 2018. Assessing chemical controls for the management of Meloidogyne enterolobii in flue-cured tobacco. Plant Disease Management Reports.12:V031.

Rosado-Rivera, Y. I. and Thiessen, L. D. 2018. Evaluation of Orondis Gold SL for control of black shank on tobacco, Kinston 2017. Plant Disease Management Reports.12:V032.

Rosado-Rivera, Y. I. and Thiessen, L. D. 2018. Evaluation of soil-applied Revus for control of tobacco black shank, Kinston 2017. Plant Disease Management Reports. 12:V033

 

Field Trial Results

2018 Tobacco Disease Management Trials