Publications
“HETERODERA GLYCINES INFECTION INCREASES INCIDENCE AND SEVERITY OF BROWN STEM ROT OF SOYBEAN'”, Soybean tolerance to soybean cyst nematode (Heterodera glycines Ichinohe), and interactions between H glycines and Phialophora gregata, the causal agent of brown stem rot of soybean, p. 93, Submitted.
, “Soybean cyst nematode-resistant soybean varieties for Iowa. PM 1649. Iowa State Univ”, Ext. Serv., Ames. Soybean cyst nematode-resistant soybean varieties for Iowa. PM, vol. 1649, Submitted.
, “Effect of watering regime and Fusarium virguliforme (Fv) infection on location of soybean cyst nematode (SCN) syncytia in soybean roots”, PHYTOPATHOLOGY, vol. 103, no. 6. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. 143-143, 2013.
, “Increasing awareness of soybean cyst nematode in North Dakota.”, PHYTOPATHOLOGY, vol. 103, no. 6. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. 107-108, 2013.
, “Nematode-protectant seed treatments: New options for nematode management in row crops”, PHYTOPATHOLOGY, vol. 103, no. 6. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. 174-174, 2013.
, “Extraction of Pratylenchus sp. and Hoplolaimus sp. from corn roots using two methods and two extraction solutions.”, PHYTOPATHOLOGY, vol. 102, no. 7. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. 9-9, 2012.
, “Influence of watering on the dynamics of Heterodera glycines and Fusarium virguliforme interaction in soybean roots.”, PHYTOPATHOLOGY, vol. 102, no. 7. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. 118-118, 2012.
, “A nematode, fungus, and aphid interact via a shared host plant: implications for soybean management”, Entomologia Experimentalis et Applicata, vol. 143, no. 1, pp. 55-66, 2012.
, “Interactions between Fusarium root rot pathogens and Heterodera glycines, on soybean roots”, Phytopathology, vol. 101, p. S42, 2011.
, “Microscopic observation of the interaction between the soybean sudden death syndrome pathogen and soybean cyst nematode, in soybean roots”, Phytopathology, vol. 101, no. 6, p. S175, 2011.
, “The nature of the relationship between Soybean Cyst Nematode population densities and soil pH”, PHYTOPATHOLOGY, vol. 101, no. 6. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. S191-S191, 2011.
, “Testing for Plant-parasitic Nematodes that Feed on Corn in Iowa 2000–2010. Online”, Plant Health Progres, 2011.
, “Correlation between Soil pH, Population Densities, and Soybean Yield”, Crop science, vol. 50, no. 4, pp. 1458-1464, 2010.
, “MAXIMIZING EFFECTIVENESS OF EXTENSION EDUCATION EFFORTS”, JOURNAL OF NEMATOLOGY, vol. 42, no. 3. SOC NEMATOLOGISTS PO BOX 311, MARCELINE, MO 64658 USA, pp. 274-275, 2010.
, “Performance of SCN-resistant soybean varieties in fields infested with different soybean cyst nematode HG types”, PHYTOPATHOLOGY, vol. 100, no. 6. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. S190-S190, 2010.
, “Source of Resistance Affect Soybean Yield, Yield Components, and Biomass Accumulation in-Infested Fields”, Crop science, vol. 50, no. 6, pp. 2565-2574, 2010.
, “Soybean yield and soybean cyst nematode densities related to soil pH, soil carbonate concentrations, and alkalinity stress index”, Agronomy journal, vol. 101, no. 5, pp. 1019-1026, 2009.
, “Current status of the soybean cyst nematode as a threat to soybean production in the Midwest”, Proc. 18th Annual Integrated Crop Management Conf., Ames, IA, pp. 28-29, 2007.
, “Effects of tillage practices on dissemination and spatial patterns of Heterodera glycines and soybean yield”, Plant disease, vol. 91, no. 8, pp. 973-978, 2007.
, “Genotype B of Cadophora gregata reduces quantity and quality of soybean yield”, Phytopathology, vol. 97, no. 7. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. S113-S113, 2007.
, “Genotypes A and B of Cadophora gregata differ in ability to colonize susceptible soybean”, Plant disease, vol. 91, no. 5, pp. 574-580, 2007.
, “Soybean cyst nematode and soybean aphid interactions on soybean.”, JOURNAL OF NEMATOLOGY, vol. 39, no. 1. SOC NEMATOLOGISTS PO BOX 311, MARCELINE, MO 64658 USA, pp. 85-85, 2007.
, “Heterodera glycines affects soybean infection by Cadophora gregata.”, JOURNAL OF NEMATOLOGY, vol. 38, no. 2. SOC NEMATOLOGISTS PO BOX 311, MARCELINE, MO 64658 USA, pp. 296-296, 2006.
, “A model plant pathogen from the kingdom animalia: Heterodera glycines, the soybean cyst nematode”, Annu. Rev. Phytopathol., vol. 44, pp. 283-303, 2006.
, “A new greenhouse method to assay soybean resistance to brown stem rot”, Plant disease, vol. 90, no. 9, pp. 1186-1194, 2006.
, “Soybean stem colonization by genotypes A and B of Cadophora gregata increases with increasing population densities of Heterodera glycines”, Plant disease, vol. 90, no. 10, pp. 1297-1301, 2006.
, “Improving the relationship between IKONOS satellite image intensity and soybean yield as affected by SCN using geostatistics”, PHYTOPATHOLOGY, vol. 95, no. 6. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. S162-S163, 2005.
, “Use of remote sensing, geographic information systems, and spatial statistics to assess soybean yield and soybean cyst nematode (SCN) populations in soybean fields”, PHYTOPATHOLOGY, vol. 95, no. 6. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. S164-S164, 2005.
, “Extraction efficiency of cysts of soybean cyst nematode from soils”, PHYTOPATHOLOGY, vol. 94, no. 6. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. S73-S73, 2004.
, “Heterodera glycines cyst components and surface disinfestants affect H. glycines hatching”, Journal of nematology, vol. 35, no. 4, p. 458, 2003.
, “Heterodera glycines infection increases incidence and severity of brown stem rot in both resistant and susceptible soybean”, Plant disease, vol. 87, no. 6, pp. 655-661, 2003.
, “Iowa 2005 soybean cyst nematode-resistant soybean variety trial results”, Crop Manage, 2003.
, “Resistance to Phialophora gregata is expressed in the stems of resistant soybeans”, Plant disease, vol. 87, no. 8, pp. 970-976, 2003.
, “Soil pH influences soybean disease potential”, The yield II project: Research-based soybean management information. Iowa Soybean Rev, no. 14, 2003.
, “Soybean cyst nematode reduces soybean yield without causing obvious aboveground symptoms”, Plant Disease, vol. 87, no. 6, pp. 623-628, 2003.
, “Commentary-Letters to the Editor are invited for possible publication in the Journal of Nematology-A Revised Classification Scheme for Genetically Diverse Populations of Heterodera glycines.”, Journal of Nematology, vol. 34, no. 4, pp. 279-288, 2002.
, “Coupling soybean cyst nematode damage to CROPGRO-Soybean”, Transactions of the ASAE, vol. 45, no. 2, pp. 433-441, 2002.
, “A revised classification scheme for genetically diverse populations of Heterodera glycines”, Journal of nematology, vol. 34, no. 4, p. 279, 2002.
, “Soybean cyst nematoderesistant varieties for Iowa”, Iowa State University, Ext. Publ. Pm-1649, vol. 1649, pp. 1-26, 2002.
, “Symposium Papers-Application of GIS and GPS Precision Agriculture Technologies in Nematology and Plant Pathology Presented at the joint American Phytopathological Society, Society of Nematologists”, Journal of Nematology, vol. 34, no. 3, pp. 222-231, 2002.
, “Use of remote sensing to detect plant stress caused by soybean cyst nematode”, J. Nematol, vol. 34, pp. 222-231, 2002.
, “Use of remote sensing to detect soybean cyst nematode-induced plant stress”, Journal of nematology, vol. 34, no. 3, p. 222, 2002.
, “Heterodera glycines increases susceptibility of soybeans to Phialophora gregata”, Phytopathology, vol. 91, p. S87, 2001.
, “Internal stem browning can be an unreliable indicator of colonization of soybean stems by Phialophora gregata”, Abstr.) Phytopathology, vol. 91, p. S180, 2001.
, “Method to use crop growth models to estimate potential return for variable-rate management in soybeans”, Transactions of the ASAE, vol. 44, no. 5, pp. 1335-1341, 2001.
, “A modeling approach to quantify the effects of spatial soybean yield limiting factors”, Transactions of the ASAE, vol. 44, no. 5, pp. 1329-1334, 2001.
, “Cyanohydrins as nematode hatch inhibitors and weed germination inhibitors.”, ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, vol. 220. AMER CHEMICAL SOC 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, pp. U50-U50, 2000.
“Effects of tillage and row spacing on soybean yield and soybean cyst nematode reproduction”, J. Nematol, vol. 32, p. 427, 2000.
, “Effects of weed management systems on canopy insects in herbicide-resistant soybeans”, Journal of Economic Entomology, vol. 93, no. 5, pp. 1437-1443, 2000.
, “Synthesis of glycinoeclepin A analogs.”, ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, vol. 220. AMER CHEMICAL SOC 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, pp. U62-U62, 2000.
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