SEPAC 2023 Research
SOUTHEAST PURDUE AGRICULTURAL CENTER
RESEARCH AND DEMONSTRATION PROJECTS
2023
Joel Wahlman, Superintendent
4425 East County Road 350 North
Butlerville IN 47223
812-458-6977
jwahlman@purdue.edu
https://ag.purdue.edu/arp/pac/Pages/sepac-home.aspx
Department of Agronomy
Soil Drainage and Water Quality
Long-term project to determine:
1) The effect of tile drain spacing on corn and soybean yields on a Clermont soil
2) The movement of nitrates into drainage water under typical management practices
Eileen Kladivko, Agronomy
CSCAP Cover Crop effects on corn and soybean production
Measurement of cereal rye crop growth and subsequent effects on corn and soybean growth and yield. Determine if a historical cereal rye growth can provide nitrogen credit to corn crop.
Eileen Kladivko, Bob Nielsen, Jim Camberato, Agronomy
Cover crop species x seeding method x nitrogen rate – influence on corn yield and nitrogen cycling
Conventional and precision seeded cereal rye and balansa clover with various nitrogen rates ahead of corn and soybean
Shalamar Armstrong, SEND LAB team, Agronomy
Cover crop species x seeding method x seeding rates – influence on corn yield and nitrogen cycling
Conventional and precision seeded cereal rye and crimson clover at various seeding rates ahead of corn and soybean
Shalamar Armstrong, SEND LAB team, Agronomy
Overwintering legume cover crop x corn hybrid x nitrogen rate
Evaluate the potential nitrogen contributing capability of cover crop to various corn hybrids
Shalamar Armstrong, Dan Quinn, Agronomy
Effectiveness of Annual Ryegrass to mitigate negative effects of fragipan soils
Establishment of annual ryegrass on fragipan soils and measure yield differences in corn and soybean with no ryegrass. Measure fragipan depths overtime.
Llyod Murdock, University of Kentucky; Dena Anderson, NRCS; SEPAC staff
Corn Response to Sidedress Applications of Sulfur Fertilization
Evaluate corn response to sulfur fertilization.
Bob Nielsen and Jim Camberato, Agronomy
Comparison of 2X2 and 2X2X2 Starter Fertilizer on the Growth, Development, and Yield
Evaluate corn response to various starter placements, rates and products in a continuous corn environment
Bob Nielsen, Jim Camberato, Agronomy
Nitrogen Timing Management of Corn Following a Cereal Rye Cover Crop
Evaluate effects of corn yield to various nitrogen management application timings with and without cover crop
Dan Quinn, Riley Seavers, Agronomy
Intensive Corn Management Study
Evaluate corn yield response to a variety of management practices including fungicides, population late season nitrogen, micronutrients and sulfur fertilization.
Dan Quinn, Malena Bartaburu Silva, Agronomy
Closing wheel study
Evaluate corn emergence and yield response to various aftermarket closing wheels when planting into various environments
Dan Quinn, Riley Seavers, Agronomy
23 Industry Trial
Evaluate corn header loss
Dan Quinn, Agronomy; John Evans, Ag and Biological Engineering
Indigenous Soil Potassium Supply, Fertilizer Potassium Use Efficiency, and Potassium Budgets in Indiana Corn and Soybean Production
Evaluate the agronomic efficiency of currently recommended potassium fertilizer rates
Alex Helms PAC administration, Jim Camberato, Agronomy
Soybean Response to seeding rate across various planting dates
Shaun Casteel, Agronomy
Soybean Response to combinations of sulfur and nitrogen fertilizer x planting date
Evaluate soybean response to nitrogen and sulfur fertilization in combination with two planting dates.
Shaun Casteel, Agronomy
Soybean Response to cover crop, sulfur and nitrogen fertilization
Evaluate soybean response to interactions of cereal rye, sulfur and nitrogen combinations
Shaun Casteel, Agronomy
USDA-ARS Northern Soybean Uniform Test
Evaluate USDA_ARS Northern Uniform Soybean Test strains grouped by maturity for comparison and seed increases
Adam Brock, USDA-ARS
Department of Botany & Plant Pathology
Field Scale Fungicide applications methods to soybean
Evaluation of R3 and R5 fungicide applications via drone and ground rig at various carrier volumes
Darcy Telenko, Monica Mizuno, Ivis Miranda Botany and Plant Pathology
Field scale fungicide application methods to corn
Evaluation of R1 fungicide applications via drone and ground rig at various carrier volumes
Darcy Telenko, Monica Mizuno, Ivis Miranda Botany and Plant Pathology
Corn and Soybean Sentinel Plots
Establishment of susceptible hybrids for observation of various disease presence and severity throughout the growing season
Darcy Telenko, Katlin Waibel, Botany and Plant Pathology
Plant disease phenotyping studies and decision support systems for Southern Rust and Gray leaf spot
Utilize weather data loggers, proximal and remote sensors to develop tools to predict and establish warning systems to alert when disease is present and advancing.
Christian Cruz, Brenden Lane, Mariela Fernandez Campos, Botany and Plant Pathology
USB Early Planted Soybean Trial
Evaluation of soybeans planting dates and various herbicide manage management programs
Bill Johnson, Estevan Carson, Botany and Plant Pathology
Early Planted Soybean Weed, Insect and Disease Management Strategies Weed science Trials and Seed Treatment Trials
Evaluation of soybean planting date interactions with herbicide programs and seed treatment efficacy.
Darcy Telenko, Monica Mizuno, Ivis Miranda, Botany and Plant Pathology; Christian Krupke, Sadhana Chhetri, Entomology
Department of Entomology
Enhance Pollination and Pest Regulation Services in watermelon
Evaluation of a variety of flowering cover crop species and impact of subsequent watermelon pollinator population
Ian Kaplan, Zeus Mateos Fierro, Entomology
Spider mite outbreak study in watermelon
Evaluation of insecticide programs for spider mite control in watermelons with control and cover crop conditions
Ian Kaplan, Zeus Mateos Fierro, Entomology
Cooperative Ag Pest Survey (CAPS) for exotic insect pests of soybean corn and oak
Installation and monitoring of a trap array for exotic insect pests as part of a statewide survey network
Alicia Kelley, CAPS Indiana State Coordinator
Corn Earworm Pheromone Trapping
To monitor the presence of corn earworm moths.
John Obermeyer, Entomology
Black Cutworm Pheromone Trapping
To monitor the presence of black cutworm moths.
John Obermeyer, Entomology
Armyworm Pheromone Trapping
To monitor the presence of armyworm moths.
John Obermeyer, Entomology
Soybean Aphid Suction Trap
To monitor the presence of soybean aphid and other aphid species.
Dave Voegtlin, National Soybean Research Center
Spotted Lanternfly Trapping
Installation and monitoring of traps
John Couture, Entomology
Forest Insect Pest Monitoring
Establish annual insect sampling sites to monitor the spread of new and ongoing forest insects involved in the establishment and spread of forest pests and diseases
Phil Marshall, Indiana DNR
Department of Forestry and Natural Resources
Bacterial Leaf Scorch Disease monitoring
Monitor the spread and impacts of bacterial leaf scorch disease in a red oak provenance planting. Evaluate disease compared to red oak genetics from all regions of its native range.
Phil Marshall, Indiana DNR, Jenny Juzwic, US Forest Service, Matt Ginzel, Matt Ginzel, Jim McKenna, Hardwood Tree Improvement & Regeneration Center
Edge Feathering
Implementation of edge feathering management practices around wooded field borders for increased wildlife habitat and evaluation of crop yield response to the practice
Jarred Brooke, Don Carlson Forestry & Natural Resources – SEPAC staff
Field Edge Management Techniques and Demonstrations
Implementation of various field edge techniques to improve profitability and wildlife habitat
Jarred Brooke, Don Carlson Forestry and Natural Resources – SEPAC staff
Controlled Burn Management for Oak Regeneration
Evaluate the of effectiveness of utilizing controlled burn as a management strategy to increase oak species competitiveness in a regeneration site
Jarred Brooke, Don Carlson Forestry and Natural Resources
Warm Season Grass Plantings
Establishment of warm season grasses and forbs for demonstrating various management techniques and plant identification education
Jarred Brooke, Forestry and Natural Resources
Indiana Bat Survey Network
Part of a network surveying bat communities across the state of Indiana to evaluate maps predicting the current distribution of bats based on huge population declines
Scott Bergeson, Biological Sciences, Purdue Fort Wayne; Pat Zollner, Forestry and Natural Resources
Biomass Harvest Site Demonstration Tree Planting
Four, two-acre planting sites with four treatments and half of the acreage fenced.
Don Carlson, Forestry & Natural Resources
Woody Biomass Removal Study -2012
Harvest a woody biomass to document the economic returns and ecological impacts from varying woody biomass retention levels. Maintained as a demonstration and extension education site
Mike Saunders and John Dunning, Forestry & Natural Resources; Don Carlson, Forestry and Natural Resource
Characterizing abiotic and biotic tree stress using hyperspectral information - Started 2019
Incorporating digital approaches into forest monitoring and management to potentially mediate the negative impact of stressors on forests.
John Coulture Entomology, Doug Jacobs, Forestry and Natural Resources
Soil Suitability Studies – Started in 2019
Evaluate the framework of Wallace & Young (NRCS) black walnut suitability index by intensively sampling soils at black walnut sites. Further, analyses of soils data in conjunction with planted black walnut family genotype data will be used to look for trends in soil characteristics or survival of families on a particular site.
Shaneka Lawson, US Forest Service, Forestry and Natural Resources
To evaluate butternut canker disease.
Jim McKenna and Brian Beheler, Hardwood Tree Improvement & Regeneration Center
Ecological Fitness and Comparison of Pure and Hybrid Butternut - Started 2011
Evaluate butternut from all over the native range as well as hybrids and pure lines from the SEPAC orchard.
Jim McKenna and Brian Beheler, Hardwood Tree Improvement & Regeneration Center
Pure Butternut Seed Orchard of New Clones Resistant to Butternut Canker – Started 2011
Orchard seed production.
Jim McKenna and Brian Beheler, Hardwood Tree Improvement & Regeneration Center
Butternut Test - Started 2010
Evaluate butternut from all over the native range as well as hybrids and pure lines from the SEPAC orchard.
Jim McKenna and Brian Beheler, Hardwood Tree Improvement & Regeneration Center
Limited Range Provenance Test of Black Cherry – Started 2006
First year test in Southern Indiana of a limited range provenance (common garden) test to evaluate black cherry seedlings collected from the Allegheny National Forest in Northwestern Pennsylvania in comparison to northern and southern Indiana sources along with seedlings from selections in an IDNR seed orchard with other plots in Central Indiana and Southern Michigan 50 miles north of the Indiana border.
Phil O’Connor, Indiana Department of Natural Resources; Jim McKenna, Keith Woeste, Hardwood Tree Improvement & Regeneration Center
Mass Selection of Butternut for Resistance to Butternut Canker from a Range-Wide Collection – Started 2005
Evaluation of Butternut seedlings collected throughout the native range of butternut from resistant individuals for future breeding and development of Butternut Canker resistant germplasm.
Jim McKenna, Keith Woeste, Hardwood Tree Improvement and Regeneration Center
Mass Selection of Butternut for Resistance to Butternut Canker from a Wisconsin Forest – Started 2004
Evaluation of Butternut seedlings from a wood lot in Wisconsin where a large population of Butternut trees with resistance to the butternut canker fungus are growing.
Jim McKenna and Keith Woeste, Hardwood Tree Improvement & Regeneration Center
Butternut Resistance Test – Started 2004
A test of susceptible, moderately resistant and resistant butternut seedling families for resistance to butternut canker disease.
Jim McKenna and Keith Woeste, Hardwood Tree Improvement & Regeneration
Butternut Resistance Seed Orchard – Started 2001
Grafted butternuts from resistant selections from Southern Illinois University (Carbondale) to be used for future breeding of resistant butternut along with own-rooted cuttings from butternut seedlings.
Keith Woeste, Paula Pijut, and Jim McKenna, Hardwood Tree Improvement and Regeneration Center; Mike Ostry USDA-Forest Service -Northern Research Station; John Seifert, Indiana Department of Natural Resources
Progeny Test of Black Walnut Families for Timber Production via Sprouted Seed - Started 2004
Evaluation of select black walnut families for vigor and timber quality using sprouted seed as a means of better controlling variables such as initial seedling size and to make grid-planting easier and more economical
Jim McKenna and Keith Woeste, Hardwood Tree Improvement & Regeneration Center
Effect of Genotype and Seedling Size on Early Walnut Plantation Performance
Test walnut seedlings from 9 diverse mother trees grown at 3 different planting densities in the IDNR State Forestry Nursery for out-planting survival and growth.
Jim McKenna and Doug Jacobs, Hardwood Tree Improvement & Regeneration Center
Limited Range Black Cherry Provenance Test – Started 2007
Second year test in Southern Indiana of a limited range provenance (common garden) test to evaluate Black Cherry seedlings collected from the Allegheny National Forest in north western Pennsylvania in comparison to northern and southern Indiana sources along with seedlings from selections in an IDNR seed orchard. Other plots are in Central Indiana and Southern Michigan 50 miles north of the Indiana border.
Jim McKenna, Keith Woeste, Forestry & Natural Resources; USDA Forest Service,
National Forest - Region 9; Phil O'Connor,Indiana Department of Natural Resources Red Oak Progeny Test – Started 2008
The beginning of a northern red oak improvement program using genetic testing of select northern red oak seed trees.
Keith Woeste and Jim McKenna, Forestry & Natural Resources; Phil O'Connor, Indiana Department of Natural Resources
Black Walnut Progeny Test – Started 2008
Ongoing genetic improvement of select black walnut seed trees to develop improved walnut seed sources for Indiana and the Midwest.
Keith Woeste and Jim McKenna, Forestry & Natural Resources
Deer Fencing, Select Genetics, & Slow-Release Fertilizer Mixed Hardwood Plantation – Started 2008
Demonstration of research results that have shown improvement in tree growth and form utilizing deer fencing, select genetic stock, and fertilizing with slow-release fertilizer at the time of planting with each main factor being tested in large blocks to demonstrate their applied application with species including northern red oak, white oak, black walnut & cherry.
Don Carlson, Jim McKenna, Lenny Farlee, Mike Saunders, Doug Jacobs, and Keith Woester, Forestry & Natural Resources; Phil O'Connor and Bob Hawkins, Indiana
Department of Natural Resources
Red Oak Progeny Test – Started 2009
Ongoing genetic improvement of select black walnut seed trees to develop improved northern red oak seed sources for Indiana and the Midwest.
Keith Woeste, and Jim McKenna, Forestry & Natural Resources; Phil O'Connor, Indiana Department of Natural Resources
Black Walnut & Northern Red Oak Container-grown vs. Bare-Root Nursery Grown Stock – Started 2009
Assess the performance of containerized grown tree seedling to determine uniformity, yearto-year consistency and lower cost of planting of red oak and black walnut.
Lenny Farlee, Keith Woeste, Don Carlson, and Jim McKenna, Forestry & Natural Resources; Anthony Davis, University of Idaho
White Oak Regeneration Study – Started 2023
Evaluation of techniques to encourage white oak reestablishment in forested ecosystems
Mike Saunders, Don Carlson, Forestry and Natural Resources
Purdue Continuous Forestry Inventory Plots
Maintain forestry inventory data from all forested compartments
Don Carlson, Forestry & Natural Resources
Oak Wilt Management
Monitoring of forested compartments to detect and asses oak wilt outbreaks in red oak stands. Confirmed infected stands will be salvaged at the appropriate times to contain or eradicate the disease.
Don Carlson, Forestry and Natural Resources
Timber Stand Improvement
Conducted as necessary on forested compartments and tree plantings to maximize forest productivity and maintain forest health.
Don Carlson, Forestry and Natural Resources
Timber Sales and Harvesting
Management of timber resources in conjunction with forest management plans and FNR policies. Standing timber is marked, advertised and sold via sealed bid sales. FNR and SEPAC staff do conduct some timber harvesting to address salvage, research, extension or other unique situations presented.
Don Carlson, Forestry and Natural Resources & SEPAC Staff
Invasive Plant Control
Control of non-native invasive plants (IPs) in forested areas. Controlled IPs include: Asian bush honeysuckle, multi-flower rose, autumn olive, Japanese honeysuckle, Tree of Heaven (ailanthus), Japanese stilt grass, common buckthorn, reed canary grass, Japanese barbary, wintercreeper, privit, perrywinkle, burning bush, Johnson grass. Development of boundary identification and GIS mapping of infestations.
Don Carlson, Forestry and Natural Resources; SEPAC STAFF
Biological sources of nitrogen for soybean
Test strips of biological product applied with foliar protection products evaluated
SEPAC staff
Evaluate the efficiency and effectiveness of large commercial spray drones
SEPAC staff
Corn Management System Demonstration
Plant multiple hybrids under low and high management programs and evaluate yield
SEPAC staff
Stress mitigator product demonstration
Implementation of strip trial of marketed stress mitigator products in corn at V5 growth stage
SEPAC Staf