Crop Genetics Research Unit : People & Places

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Alemu Mengistu

Research Plant Pathologist

Publications (Clicking on the reprint icon

will take you to the publication reprint.)

New soybean accessions evaluated for reaction to Heterodera glycines populations - (Abstract Only) - (26-Apr-13)

Identification of soybean accessions resistant to macrophomina phaseolina by field screening - (Peer Reviewed Journal) - (20-Jan-13)

Effects of maturity and phomopsis on germination and vigor of soybean seed of near isogenic lines - (Peer Reviewed Journal) - (12-May-12)

Irrigation management: effects of soybean diseases on seed composition in genotypes differing in their disease resistance under irrigated and nonirrigated conditions - (Book / Chapter) - (21-Apr-12)

Resistance to toxin-mediated fungal infection: role of lignins, isoflavones, other seed phenolics, sugars and boron in the mechanism of resistance to charcoal rot disease in soybean - (Peer Reviewed Journal)

Bellaloui, N., Mengistu, A., Zobiole, L.H., Shier, W.T. 2012. Resistance to toxin-mediated fungal infection: role of lignins, isoflavones, other seed phenolics, sugars and boron in the mechanism of resistance to charcoal rot disease in soybean. Toxin Reviews. 31(1-2):16-26.

Microsatellite markers in plant pathogenic fungi - (Abstract Only)

Arias, R.S., Ray, J.D., Mengistu, A., Glynn, N.C., Scheffler, B.E. 2012. Microsatellite markers in plant pathogenic fungi. Meeting Proceedings.

Phomopsis seed infection and time of harvest effects on seed phenol, ligin, and isoflavones in maturity V soybean genotypes differing in phomopsis resistance - (Peer Reviewed Journal)

Bellaloui, N., Mengistu, A., Zobiole, L.H. 2012. Phomopsis seed infection and time of harvest effects on seed phenol, ligin, and isoflavones in maturity V soybean genotypes differing in phomopsis resistance. Journal of Crop Improvement. 26:693-710.

Evaluation of soybean genotypes for resistance to three seed borne diseases - (Peer Reviewed Journal) - (20-Dec-11)

Soybean seed composition as affected by drought and Phomopsis in phomopsis susceptible and resistant genotypes - (Peer Reviewed Journal)

Bellaloui, N., Mengistu, A., Fisher, D.K., Abel, C.A. 2012. Soybean seed composition as affected by drought and Phomopsis in phomopsis susceptible and resistant genotypes. Journal of Crop Improvement. 26:428-453.

Effect of shade on seed protein oil fatty acids and minerals in soybean lines varying in seed germinability in the Early Soybean Production System - (Peer Reviewed Journal)

Bellaloui, N., Smith, J.R., Gillen, A.M., Fisher, D.K., Mengistu, A. 2012. Effect of shade on seed protein oil fatty acids and minerals in soybean lines varying in seed germinability in the Early Soybean Production System. American Journal of Plant Sciences. 3:84-95.

Soybean seed protein oil and fatty acids are altered by S and N fertilizers under irrigated and non irrigated environments - (Peer Reviewed Journal)

Bellaloui, N., Ebelhar, M.W., Gillen, A.M., Fisher, D.K., Abbas, H.K., Mengistu, A., Reddy, K.N., Paris, R.L. 2011. Soybean seed protein oil and fatty acids are altered by S and N fertilizers under irrigated and non irrigated environments. Agricultural Sciences. 2:465-476.

Influence of planting date on seed protein oil sugars minerals and nitrogen metabolism in soybean under irrigated and non-irrigated enviroments - (Peer Reviewed Journal)

Bellaloui, N., Reddy, K.N., Gillen, A.M., Fisher, D.K., Mengistu, A. 2011. Influence of planting date on seed protein oil sugars minerals and nitrogen metabolism in soybean under irrigated and non-irrigated enviroments. American Journal of Plant Sciences. 2:702-715.

Evaluation of soybean genotypes for resistance to charcoal rot - (Peer Reviewed Journal) - (26-Jul-11)

Soybean seed protein oil and fatty acids as influenced by S and S+N fertilizers under irrigated or non-irrigated environments - (Peer Reviewed Journal) - (22-Jul-11)

Seasonal progress of charcoal rot and its impact on soybean productivity - (Peer Reviewed Journal)

Mengistu, A., Ray, J.D., Bellaloui, N., Smith, J.R. 2011. Seasonal progress of charcoal rot and its impact on soybean productivity. Plant Disease. 95:1159-1166.

Increases in snap bean and soybean seedling diseases associated with a chloride salt and changes in the micro-partitioning of tap root calcium - (Abstract Only)

Canaday, C.C., Donald, P.A., Mengistu, A. 2011. Increases in snap bean and soybean seedling diseases associated with a chloride salt and changes in the micro-partitioning of tap root calcium. American Phytopathological Society Annual Meeting. 101:S26.

Identification of soybean accessions resistant to Cercospora sojina by field screening, molecular markers and phenotyping - (Peer Reviewed Journal)

Mengistu, A., Bond, J., Mian, R.M., Nelson, R.L., Shannon, G., Wrather, A. 2011. Identification of soybean accessions resistant to Cercospora sojina by field screening, molecular markers and phenotyping. Plant Disease. 51:1101-1109.

Discriminating microsatellites from Macrophomina phaseolina and their potential association to biological functions - (Peer Reviewed Journal)

Arias, R.S., Ray, J.D., Mengistu, A., Scheffler, B.E. 2011. Discriminating microsatellites from Macrophomina phaseolina and their potential association to biological functions. Plant Pathology. 60(4):709-718 DOI:10.1111/j.1365-3059.2010.02421.x.

Soybean seed compostion and quality: interactions of enviroment genotype and management practices - (Book / Chapter)

Bellaloui, N., Reddy, K.N., Bruns, H.A., Gillen, A.M., Mengistu, A., Zobiole, L.H., Fisher, D.K., Abbas, H.K., Zablotowicz, R.M., Kremer, R.J. 2011. Soybean seed compostion and quality: interactions of enviroment genotype and management practices. Nova Hedwigia. 1:1-42.

Soybean seed protein oil fatty acids and mineral composition as influenced by soybean-corn rotation - (Peer Reviewed Journal)

Bellaloui, N., Bruns, H.A., Gillen, A.M., Abbas, H.K., Zablotowicz, R.M., Mengistu, A., Paris, R.L. 2010. Soybean seed protein oil fatty acids and mineral composition as influenced by soybean-corn rotation. Journal of Agricultural Science. 1(3):102-109.

First Report of Charcoal Rot of Sunflower in Minnesota

- (Peer Reviewed Journal)

Gulya, T.J., Mengistu, A., Kinzer, K., Balbyshev, N., Markell, S. 2010. First Report of Charcoal Rot of Sunflower in Minnesota, USA. Plant Health Progress. Available: http://www.plantmanagementnetwork.org/sub/php/brief/2010/charcoal/

Evaluation of selected soybean genotypes against Phomopsis longicolla under irrigated harvest times - (Peer Reviewed Journal)

Mengistu, A., Smith, J.R., Bellaloui, N., Paris, R.L., Wrather, A. 2010. Evaluation of selected soybean genotypes against Phomopsis longicolla under irrigated harvest times. Crop Science. 50:2055-2064.

Plant population and row spacing effects on maturity group III soybean - (Peer Reviewed Journal)

Walker, E.R., Mengistu, A., Bellaloui, N., Koger III, C.H., Roberts, R.K., Larson, J.A. 2010. Plant population and row spacing effects on maturity group III soybean. Agronomy Journal. 102(3):821-826.

Soybean seed composition is influenced by with-in field variability in soil nutrients - (Peer Reviewed Journal)

Bellaloui, N., Hanks, J.E., Fisher, D.K., Mengistu, A. 2009. Soybean seed composition is influenced by with-in field variability in soil nutrients. Crop Management. doi:10.1094/CM-2009-1203-01-RS.

Effects of soybean-corn rotation on seed composition in soybean - (Abstract Only) - (25-Sep-09)

Seasonal Progress of Phomopsis longicolla on Soybean Plant Parts and its Relationship to Seed Quality - (Peer Reviewed Journal)

Mengistu, A., Boykin, D.L., Castlebury, L.A., Smith, J.R., Ray, J.D., Bellaloui, N. 2009. Seasonal Progress of Phomopsis longicolla on Soybean Plant Parts and its Relationship to Seed Quality. Plant Disease. 93:408-411.

Identification of Soybean Genotypes Resistant to Cercospora sojina by Field Screening and Molecular Markers

- (Peer Reviewed Journal)

Mian, R.M., Bond, J., Joobeur, T., Mengistu, A., Weibold, W., Grover, S., Wrather, A. 2009. Identification of Soybean Genotypes Resistant to Cercospora sojina by Field Screening and Molecular Markers. Plant Disease. 93:408-411.

Propagule Densities of Macrophomina phaseolina in Soybean Tissue and Soil Under Mississippi Conservation Management System - (Abstract Only)

Mengistu, A., Reddy, K.N., Zablotowicz, R.M. 2009. Propagule Densities of Macrophomina phaseolina in Soybean Tissue and Soil Under Mississippi Conservation Management System. American Phytopathology Society. doi:10.1094/PHP-2009-0130-01RS

Cover crops tillage and glyphosate effects on chemical and biological properties of a Lower Mississippi Delta soil and soybean yield - (Peer Reviewed Journal)

Zablotowicz, R.M., Reddy, K.N., Weaver, M.A., Mengistu, A., Krutz, L.J., Gordon, R.E., Bellaloui, N. 2010. Cover crops tillage and glyphosate effects on chemical and biological properties of a Lower Mississippi Delta soil and soybean yield. Environmental Research. 4:227-251.

Cover Crops, Tillage, and Glyphosate Effects on Chemical and Biological Properties of a Lower Mississippi Delta Soil and Soybean Yield - (Book / Chapter)

Zablotowicz, R.M., Reddy, K.N., Weaver, M.A., Mengistu, A., Krutz, L.J., Gordon, R.E., Bellaloui, N. 2009. Cover Crops, Tillage, and Glyphosate Effects on Chemical and Biological Properties of a Lower Mississippi Delta Soil and Soybean Yield. In: Tomas H. Latos, ed. Cover Crops and Crop Yields, Nova Publishers, Inc., Huntington, NY, pp. 265-289.

Soybean Seed Composition in Cultivars Differing in Resistance to Charcoal Rot (Macrophomina phaseolina) - (Peer Reviewed Journal)

Bellaloui, N., Mengistu, A., Paris, R.L. 2008. Soybean Seed Composition in Cultivars Differing in Resistance to Charcoal Rot (Macrophomina phaseolina). Journal of Agricultural Science. vol. 146(6):667-675

Identification of Soybean Accessions with High Germinability in High-temperature Environments

- (Peer Reviewed Journal)

Smith, J.R., Mengistu, A., Nelson, R.L., Paris, R.L. 2008. Identification of Soybean Accessions with High Germinability in High-temperature Environments. Crop Science. 48:2279-2288

Effects of directed fungicides sprays and potash form on charcoal rot of soybeans - (Peer Reviewed Journal)

Canaday, C.H., Mengistu, A. 2008. Effects of directed fungicides sprays and potash form on charcoal rot of soybeans. Plant Disease Management Reports. 2:15.

Effects of Seed Treatment, In-Furrow Sprays, and Herbicides Treatments on Charcoal Rot of June-Planted Soybean, 2007 - (Peer Reviewed Journal)

Canaday, C.H., Mengistu, A. 2008. Effects of Seed Treatment, In-Furrow Sprays, and Herbicides Treatments on Charcoal Rot of June-Planted Soybean, 2007. Plant Disease Management Reports. 2:14

Seed Composition is Influenced by Irrigation Regimes and Cultivar Differences in Soybean - (Peer Reviewed Journal)

Bellaloui, N., Mengistu, A., 2007 Seed Composition is Influenced by Irrigation Regimes and Cultivar Differences in Soybean. Irrigation Science. DOI 10.1007/s00271-007-0091-y

Isolates of Diaporthe - Phomopsis from Weeds and Their Effects on Soybeans - (Peer Reviewed Journal)

Mengistu, A., Castlebury, L.A., Smith, J.R., Rossman, A.Y., Reddy, K.N. 2007. Isolates of Diaporthe - Phomopsis from Weeds and Their Effects on Soybeans. Canadian Journal of Plant Pathology. 29(3):283-289.

Soybean planting date effects on soil population density of Macrophomina phaseolina - (Peer Reviewed Journal)

Wrather, A.J., Shannon, G., Mengistu, A. 2007. Soybean planting date effects on soil population density of Macrophomina phaseolina. Plant Health Progress. http://plantmanagementnetwork.org.

Charcoal Rot Disease Assessment of Soybean Genotypes Using a Colony Forming Unit Index - (Peer Reviewed Journal)

Mengistu, A., Ray, J.D., Smith, J.R., Paris, R.L. 2007. Charcoal Rot Disease Assessment of Soybean Genotypes Using a Colony Forming Unit Index. Crop Science. 47:2453-2461.

Seed Composition as Affected by Planting Date and Genotypic differences in Early Soybean Production System. - (Abstract Only)

Bellaloui, N., Mengistu, A., Gillen, A.M. 2007. Seed Composition as Affected by Planting Date and Genotypic differences in Early Soybean Production System.. American Society of Agronomy.

A SOYBEAN MAPPING POPULATION SPECIFIC TO THE EARLY SOYBEAN PRODUCTION SYSTEM - (Peer Reviewed Journal)

Shultz, J.L., Ray, J.D., Smith, J.R., Mengistu, A. 2007. A soybean mapping population specific to the early soybean production system. DNA Sequence. 18(2):104-111.

EFFECTS OF GLYPHOSATE DRIFT ON NITRATE ASSIMILATION AND NITROGEN FIXATION IN GLYPHOSATE-SENSITIVE SOYBEAN - (Abstract Only)

Bellaloui, N., Reddy, K.N., Zablotowicz, R.M., Mengistu, A. 2006. Effects of glyphosate drift on nitrate assimilation and nitrogen fixation in glyphosate-sensitive soybean. Presented at the 2006 Crop Science Society Annual Meeting, November 12-16, 2006, Indianapolis, IN..

REGISTRATION OF SOYBEAN GERMPLASM JTN-5303 - (Peer Reviewed Journal)

Arelli, P.R., Pantalone, V.R., Allen, F.L., Mengistu, A. 2007. Registration of soybean germplasm jtn-5303. Crop Science. Vol.: 69-70

Registration of D95-5048 Soybean Germplasm Line Resistant to Phytophthora Rot and Soybean Cyst Nematode Races 3 and 14 - (Germplasm Release)

Mengistu, A., Kilen, T.C., Donald, P.A. 2007. Registration of D95-5048 Soybean Germplasm Line Resistant to Phytophthora Rot and Soybean Cyst Nematode Races 3 and 14. Crop Science. 47:452-453.

REGISTRATION OF SOYBEAN GERMPLASM LINE D99-2018 RESISTANT TO PHYTOPHTHORA ROT (RPS6) AND SOYBEAN CYST NEMATODE RACES 3 (HG TYPE O) AND 14 (HG TYPE 1.3.6.7). - (Peer Reviewed Journal)

Donald, P.A., Kilen, T.C., Mengistu, A. 2007. Registration of soybean germplasm line d99-2018 resistant to Phytophthora rot (Rps6) and soybean cyst nematode races 3 (HG Type O) and 14 (HG Type 1.3.6.7). Crop Science. Vol 47:451-452.

REGISTRATION OF HIGH YIELDING AND MULTIPLE DISEASE-RESISTANT SOYBEAN GERMPLASM JTN-5503. - (Peer Reviewed Journal)

Arelli, P.R., Young, L.D., Mengistu, A. 2006. Registration of high yielding and multiple disease-resistant soybean germplasm jtn-5503.. Crop Science. Vol.: 46(6) 2723

First Report of Endophytic Candida Ipomoeae Isolated from Ovules of Upland Cotton in Mississippi - (Peer Reviewed Journal)

Sacks, E.J., Abbas, H.K., Mengistu, A. 2006. First Report of Endophytic Candida Ipomoeae Isolated from Ovules of Upland Cotton in Mississippi. Plant Disease. 90:1362, 2006; DOI: 10.1094/PD-90-1362B

Charcoal Rot Disease Assessment of Soybean Genotypes and Prelimary Genetic Analysis - (Proceedings)

Mengistu, A., Smith, J.R., Ray, J.D., Paris, R. 2006. Charcoal Rot Disease Assessment of Soybean Genotypes and Prelimary Genetic Analysis. Meeting Proceedings. VII World Soybean Research Conference. Foz do 1guassu, PR, Brazil. # 228, p 237.

NOTICE OF RELEASE OF D99-2065 SOYBEAN GERMPLASM LINE RESISTANT TO PHYTOPHTHORA ROT AND SOYBEAN CYST NEMATODE RACES 3 AND 4. - (Germplasm Release)

Mengistu, A., Kilen, T., Donald, P.A. 2006. Notice of release of d99-2065 soybean germplasm line resistant to phytophthora rot and soybean cyst nematode races 3 and 4.. Germplasm Release. Crop Sci 2006 46:2325-2326.

Registration of Release of D99-2018 Soybean Germplasm Line Resistant to Phytophthora Rot and Soybean Cyst Nematode Races 3 and 14 - (Peer Reviewed Journal)

Donald, P.A., Mengistu, A., Kilen, T. 2007. Registration of Release of D99-2018 Soybean Germplasm Line Resistant to Phytophthora Rot and Soybean Cyst Nematode Races 3 and 14. Germplasm Release. 47:451-452.

PHYLOGENETIC DISTINCTION OF DIAPORTHE/PHOMOPSIS ISOLATES FROM SOYBEANS - (Abstract Only)

Castlebury, L.A., Mengistu, A. 2006. Phylogenetic distinction of Diaporthe/Phomopsis isolates from soybeans[abstract]. Inoculum 57(4)13.

Registration of soybean germplasm line 'DT 97-4290' with moderate resistance to Charcoal Rot. Manuscript file name: "reg of soy germplasm DT 97-4290.DOC" - (Peer Reviewed Journal)

Paris, R.L., Mengistu, A., Tyler, J.M., Smith, J.R. 2006. Registration of soybean germplasm line 'DT 97-4290' with moderate resistance to Charcoal Rot. Manuscript file name: "reg of soy germplasm DT 97-4290.DOC". Crop Science. 46:2324-2325.

Seasonal Progress of Phomopsis Longicolla and its Relationship to Seed Quality in the Early Soybean Production System of the MidSouthern USA - (Abstract Only)

Mengistu, A., Boykin, D.L., Heatherly, L.G. 2006. Seasonal Progress of Phomopsis Longicolla and its Relationship to Seed Quality in the Early Soybean Production System of the MidSouthern USA. Phytopathology. 96:S78

Comparsion of Disease Assessment of Soybean Genotypes in the Presence of Charcoal Rot - (Proceedings)

Mengistu, A., Paris, R., Smith, J.R., Ray, J.D. 2006. Comparsion of Disease Assessment of Soybean Genotypes in the Presence of Charcoal Rot. [Meeting Abstract]. 93:S61

SIMULATED GLYPHOSATE DRIFT INFLUENCES NITRATE ASSIMILATION AND NITROGEN FIXATION IN NON-GLYPHOSATE RESISTANT SOYBEAN - (Peer Reviewed Journal)

Bellaloui, N., Reddy, K.N., Zablotowicz, R.M., Mengistu, A. 2006. Simulated glyphosate drift influences nitrate assimilation and nitrogen fixation in non-glyphosate resistant soybean. Journal of Agriculture and Food Chemistry. Vol 54: 3357-3364

Performance of Williams 82 Near-isogenic Rust-resistat Line in the Early Soybean Production System of the Midsouthern USA - (Abstract Only) - (07-Nov-05)

DETECTION OF PHOMOPSIS SPP ON WEED HOSTS AND ITS PATHOGENICITY ON SOYBEAN - (Peer Reviewed Journal)

Mengistu, A., Reddy, K.N. 2005. Detection of phomopsis spp on weed hosts and its pathogenicity on soybean. Seed Technology. Vol. 27: 97-100.

EFFECTS OF PLANTING DATES ON STABILITY AND CONTENT OF OIL, FATTY ACIDS, AND PROTEIN IN SOYBEAN - (Abstract Only)

Bellaloui, N., Mengistu, A., Paris, R.L. Effects of planting dates on stability and content of oil, fatty acids, and protein in soybean. Presented at the 2005 American Society of Agronomy Meetings, November 6-10, 2005, Salt Lake City, UT.

Incidence of Phomopsis Longicolla and Other Fungi Associated with Soybean Seed in the Early Soybean Soybean Production System Plantings in the Mid Southern USA - (Abstract Only)

Mengistu, A., Heatherly, L.G. 2005. Incidence of Phomopsis Longicolla and Other Fungi Associated with Soybean Seed in the Early Soybean Soybean Production System Plantings in the Mid Southern USA. Phytopathology. 3:FC012.

HEAT STRESS IN THE EARLY SOYBEAN PRODUCTION SYSTEM - (Abstract Only)

Smith, J.R., Fritschi, F.B., Ray, J.D., Mengistu, A., Daughtry, L., Paris, R.L., Nelson, R.L. 2004. Heat stress in the early soybean production system [abstract]. 10th Biennial Conference of the Cellular and Molecular Biology of the Soybean Program. p. 38.

REGISTRATION OF D98-1218 (RPS2) SOYBEAN GERMPLASM LINE RESISTANT TO PHYTOPHTHORA ROT AND SOYBEAN CYST NEMATODE RACES 3 AND 14 - (Peer Reviewed Journal)

Mengistu, A., Kilen, T.C., Donald, P.A. 2005. Registration of d98-1218 (rps2) soybean germplasm line resistant to phytophthora rot and soybean cyst nematode races 3 and 14. Crop Science. 45:427-428.

USE OF MOLECULAR TECHNIQUES TO DIFFERENTIATE THE DIAPORTHE/PHOMPSIS COMPLEX - (Proceedings)

Mengistu, A., Ray, J.D. 2004. Use of molecular techniques to differentiate the diaporthe/phompsis complex [abstract]. VII World Soybean Research Conference. p. 69.

SCREENING SELECTED PLANT INTRODUCTIONS FOR SEED QUALITY IN THE EARLY SOYBEAN PRODUCTION SYSTEM - (Abstract Only)

Smith, J.R., Daughtry, L., Mengistu, A., Paris, R.L., Nelson, R.L. 2004. Screening selected plant introductions for seed quality in the early soybean production system [abstract]. VII World Soybean Research Conference Proceedings. p.237-238.

COMPARISON OF DISEASE ASSESSMENTS OF SOYBEAN GENOTYPES IN THE PRESENCE OF CHARCOAL ROT - (Abstract Only)

Mengistu, A., Paris, R.L. 2003. Comparison of disease assessments of soybean genotypes in the presence of charcoal rot. Phytopathology. 93:561

SETOMELANOMMA HOLMII (PLEOSPORALES, PHAEOSPHAERIACEAE) ON LIVING SPRUCE TWIGS IN EUROPE AND NORTH AMERICA - (Peer Reviewed Journal)

Rossman, A.Y., Farr, D.F., Castlebury, L.A., Shoemaker, R., Mengistu, A. 2002. Setomelanomma holmii (pleosporales, phaeosphaeriaceae) on living spruce twigs in europe and north america. Canadian Journal of Botany. Vol.80(11)pp.1209-1215,2002.

Last Modified: 05/19/2013

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