Northwest Research and Outreach Center

Dr. Charla Hollingsworth's Plant Pathology Publications

Refereed Publications

Hollingsworth, C.R. , Gray, F.A., Groose R.W., Koch, D.W., and Heald, T.E. 2003. Distribution and incidence of brown root rot of alfalfa in Wyoming. Can. J. Plant Pathol. 25:215-217.

Larsen, R.C., Hollingsworth, C.R., Vandemark, G.J., Gritsenko, M.A., and Gray, F.A. 2002. A rapid method using PCR-based SCAR markers for the detection and identification of Phoma sclerotioides the cause of brown root rot disease of alfalfa. Plant Dis. 86:928-932.

Hollingsworth, C.R. , Gray, F.A., Groose, R.W., and Mims, C.W. 2002. Morphological responses of Canadian and U.S.A. isolates of Phoma sclerotioides to different growth media, temperatures and light. Mycotaxon 81:331-339.

Hollingsworth, C.R. 1999. The brucellosis bacterium: Small but mighty, An infectious animal disease decision case. Univ. of Wyoming, Agric. Exp. Sta. Bull. JA-1782.

Hollingsworth, C.R., and Gray, F.A. 1999. First report of brown root rot on alfalfa caused by Phoma sclerotioides in the continental United States. Plant Dis. 83:1071.

Hollingsworth, C.R. 1998. The brucellosis bacterium: Small but mighty. Abridged. J. Natl. Res. Life Science Ed. 27:145-154.

 

Book Chapters

Gray, F.A., Hollingsworth, C.R. , Groose, R.W., Reedy, C.J., and Larsen, R.C. 2003. Brown root rot resistance in: Screening protocol for brown root rot resistance in: Standard tests to characterize alfalfa cultivars. 3rd ed. N. Amer. Alfalfa Improv. Conf. Beltsville, MD. Brown Root Rot Resistance

 

Extension Publications

Hollingsworth, C.R. 2004. 2003 Uniform Fungicide Trials on Fusarium head blight in Minnesota. Univ. Minnesota. MN Crop News MNCN37.

Severson, R. Rehm, G., Sims, A., Holen, D., and Hollingsworth, C. 2004. Inputs for wheat productions: What’s economic, what’s not? in: On-Farm Cropping Trials Northwest and West Central Minnesota. Jan. 2004.

Peterson, P., Samac, D., and Hollingsworth, C. 2003. Brown root rot of alfalfa: What’s the big deal? Page 7 in: Minnesota Forage and Grassland Council Forage Connection. Winter 2003-04.

Severson, R., Rehm, G., Sims, A., Holen, D. and Hollingsworth, C. 2003. Inputs for wheat production: What’s economic, what’s not? Univ. Minnesota. MN Crop News MNCN33.

Hollingsworth, C., del Rio , L., and Bradley, C. 2003. Dry bean anthracnose in Minnesota. Univ. Minnesota. MN Crop News MNCN27.

Hollingsworth, C. 2003. What do old tractors and wheat plants have in common? Rust! Univ. Minnesota. MN Crop News MNCN23.

Hollingsworth, C. 2003. Asian soybean rust: A cause for concern. Small Grains Update 172:7.

Gray, F.A., Hollingsworth, C.R., and Koch, D.W. 2003. Brown root rot of alfalfa. Revised. Univ. Wyoming Plant Science Timely Information Series Bull., Laramie, WY.

Gray, F.A., Hollingsworth, C.R., and Koch, D.W. 2003. Alfalfa Disease Management. Univ. Wyoming, Agric. Exp. Sta. Bull. B-1136.

Wiersma, J., Hollingsworth, C., and Lockhart, B. 2002. Aster yellows in hard spring wheat. Univ. Minnesota. Minnesota Crop News. MNCN90.

Gray, F.A., Hollingsworth, C.R., and Koch, D.W. 1999. Brown root rot of alfalfa. Univ. Wyoming Plant Science Timely Information Series Bull., Laramie, WY.

 

Popular Media Articles

Hollingsworth, C. 2004. Apply Fungicides early? Farmers must know various conditions. Detroit Lakes Tribune. 29 Feb:13A.

Hollingsworth, C.R. 2004. Uniform fungicide trials for suppressing FHB. Prairie Grains 58: 39.

Hollingsworth, C. 2003. Diagnosing leaf diseases in wheat. Prairie Grains 54:33-35.

Hollingsworth, C. 2003. Aster yellows in wheat. Prairie Grains 53:5-6.

 

Abstracts and Proceedings

Laguette, S., Hollingsworth, C.R., Motteberg, C.D., and MacRae, I.V. 2004. Potentials and limits of remote sensing data for detection of Fusarium head blight on hard red spring wheat. Proc. 7 th Precision Ag Conf. Minneapolis, MN.

Hollingsworth, C.R. and Motteberg, C.D. 2003. Uniform fungicide trials on Fusarium head blight of wheat and barley in Minnesota. Pages 84-86 in: Proc. 2003 Natl. Fusarium Head Blight Forum. Bloomington, MN.

Hollingsworth, C.R. , Gray, F.A., Gray, A.M., and Groose, R.W. 2003. Breeding alfalfa for resistance to Brown root rot. 2003 ASA-CSSA-SSSA Annual Mtgs., Denver, CO.

Hollingsworth, C.R. , Groose, R.W., and Gray, F.A. 2003. Comparative disease reactions of cycle 0 and cycle 1 alfalfa following inoculation with Phoma sclerotioides. Phytopathology 93:S36.

Hollingsworth, C.R. , Gray, F.A., Gray, A.M., and Groose, R.W. 2003. Breeding alfalfa for resistance to Brown root rot. in: Proc. Western Soc. of Crop Sci. Ft. Collins, CO.

Gray, F.A., Hollingsworth, C.R., Reedy, C.J., Powers, L.B., Legg, D.E., and Groose, R.W. 2003. Pathogenicity of 14 isolates of Phoma sclerotioides pathogenic to alfalfa. P-2004-0022-PCA in: Proc. APS Pacific Div. Kailua-Kona, HI.

MacRae, I.V. and Hollingsworth, C.R.. 2003. Aster leafhopper transmission of aster yellows phytoplasm to wheat. in: Proc. N. Central Entomological Soc. of Amer. Madison, WI.

Gray, F.A., Hollingsworth, C.R. , and Koch, D.W. 2002. Biology and management of stand-decline diseases of irrigated alfalfa in the western U.S. in: Proc. Western Alfalfa and Forage Conf., Sparks, NV. UC Coop. Ext., Univ. of CA, Davis.

Hollingsworth, C.R. , Gray, F.A., Groose, R.W., Koch, D.W., and Heald, T.E. 2001. Development of a protocol for identifying alfalfa, Medicago sativa ssp. sativa reaction to infection by Phoma sclerotioides, causal organism of brown root rot. Phytopathology 91:S39.

Gray, F.A., Hollingsworth, C.R., and Koch, D.W. 2001. Occurrence of brown root rot of alfalfa in the continental United States. Phytopathology 91:S184.

Larsen, R.C., Vandemark, G.J., Gritsenko, M.A., Hollingsworth, C.R., and Gray, F.A. 2001. PCR-based SCAR markers for the detection and identification of Phoma sclerotioides-the cause of brown root rot disease of alfalfa. Phytopathology 91:S53.

Gray, F.A., Hollingsworth, C.R., and Groose, R.W. 2001. A preliminary test for characterizing alfalfa cultivars for brown root rot resistance. in: Proc. 2001 Western Alfalfa Imp. Conf. Tucson, AZ.

Gray, F.A., Hollingsworth, C.R., and Koch, D.W. 2001. Occurrence of brown root rot of alfalfa in the continental United States. Phytopathology 91:S184.

Hollingsworth, C.R. , Gray, F.A., Koch, D.W., and Heald, T.E. 2000. Pathogenicity of Phoma sclerotioides, a new disease of alfalfa in the continental U.S. in: Proc./Reports Amer. Forage and Grassland Council and the 37th N. Amer. Alfalfa Imp. Conf. Madison, WI.

Larsen, R.C., Vandemark, G.J., Gritsenko, M.A., Hollingsworth, C.R., and Gray, F.A. 2000. Use of PCR-based markers for the identification of Phoma sclerotioides causing brown root rot disease of alfalfa. in: Proc./Reports Amer. Forage and Grassland Council and the 37th N. Amer. Alfalfa Imp. Conf. Madison, WI.

Hollingsworth, C.R. , Gray, F.A., Heald, T.E., and Koch, D.W. 1999. Brown root rot, Phoma sclerotioides, a new challenge for alfalfa growers. in: Proc. 11th Western Alfalfa Imp. Conf. Powell, WY.

Hollingsworth, C.R. , Gray, F.A., Heald, T.E., and Koch, D.W. 1998. Biology of a new root rot disease of alfalfa in Wyoming. Phytopathology 88:S39.

Hollingsworth, C.R. , Gray, F.A., Heald, T.W., and Koch, D.W. 1998. Studies on the biology of brown root rot, Phoma sclerotioides, of alfalfa in Wyoming. in: Report 36th N. Amer. Alfalfa Improv. Conf. Bozeman, MT.

Gray, F.A., Heald, T.E., Hollingsworth, C.R., and Koch, D.W. 1997. Brown root rot caused by Phoma sclerotioides, a new disease of alfalfa in the U.S. Pages 22-24 in: Proc. of the 1997 Western Alfalfa Improv. Conf. Davis, CA.

 

Edited, Nonrefereed Research Publications

Hollingsworth, C.R. and Motteberg, C.D. 2003. Efficacy of fungicides in controlling Fusarium head blight on spring wheat, 2003. Fungic. Nematicide Tests (accepted).

Hollingsworth, C.R. and Motteberg, C.D. 2003. Efficacy of fungicides in controlling foliar diseases on spring wheat, 2003. Fungic. Nematicide Tests (accepted).