Ornamental Plants
Annual Reports and Research Reviews
2001

Special Circular 186-02

Edited By

James A. Chatfield
Joseph F. Boggs
Erik A. Draper
Hannah Mathers
Amy K. Stone

Contents

• Our Vision, Our Mission, An Invitation
• Ohio State University Extension Nursery, Landscape, and Turf Team Directory: 2002
  Jack Kerrigan
• Floriculture Industry Roundtable of Ohio: 2002
  Charles Behnke
  • Our Mission, Roundtable Resources and Team Members
  • Team Members
• Ohio State University Extension's Buckeye Yard and Garden Line Evaluation Survey: 2001
  Amy K. Stone
  • Summary
  • Survey Results
  • Comments
• TeamWorks: OSU Extension's Nursery, Landscape, and Turf Team
  James A. Chatfield, Joseph F. Boggs, Gary Y. Gao, Erik A. Draper, Keith L. Smith, Barbara G. Ludwig, and Stephen R. Baertsche
  • No. 1: Teams Do Not Form in a Vacuum
  • No. 2: Teamwork Is Not a Zero-Sum Game
  • No. 3: Money Is Not the Root of All Evil
  • No. 4: Teams Change Everything
  • No. 5: Teams Must Reinvent Themselves
  • No. 6: Teams Must Be One of a Kind
  • No. 7: Teams Empower
  • No. 8: Teams Are Jazz
  • References
• Environmental and Cultural Problems of Ornamental Plants in Ohio: 2001
  Pamela J. Bennett and Jane C. Martin
  • Summary
  • Introduction
  • Discussion
  • Cultural Problems
  • References
• Insect and Mite Activity Noted in Ohio Nurseries and Landscapes: 2001
  Joseph F. Boggs, Curtis E. Young, David J. Shetlar, Erik A. Draper, Pamela J. Bennett, Gary Y. Gao, and James A. Chatfield
  • Summary
  • Introduction
  • Discussion
    • Nest Making Caterpillars
    • Other Caterpillars
    • Sawfly Defoliators
    • Leafminers
    • Borers
    • Lace Bugs
    • Other Sucking Insects
    • Mites
    • Gall Makers
    • Turf Pests
    • Household and Nuisance Pests
    • New and Unusual
    • Literature Cited
• Infectious Disease Problems of Ornamental Plants in Ohio: 2001
  James A. Chatfield, Nancy A. Taylor, Erik A. Draper, Stephen Nameth, and Joseph F. Boggs
• Introduction
• Diseases to Note in 2001
  • 1. Fireblight on Callery Pear and Crabapple
  • 2. Anthracnose Diseases of Trees
  • 3. Juniper Problems
  • 4. Verticillium Wilt Disease
  • 5. Daylily Rust
  • 6. Cristulariella Leaf Spot of Maple
  • 7. Orange Rust of Brambles
  • 8. BYGLOSOPHYS
• Summary of Recommended Turfgrass Cultural Practices, Weed Control, and Disease Problems: 2001
  Gary Y. Gao, Barbara Bloetscher, Joseph F. Boggs, Pamela J. Bennett, Jane C. Martin, Joseph W. Rimelspach, John R. Street, and Erik A. Draper
• Summary
• Recommended Turfgrass Cultural Practices
• Core Aerification
• Turf Weeds
• Turf Diseases
• A New Fungicide for Turfgrass Diseases
• Golf Course Superintendents' Korner
• Please Note
• Useful References
• Biological Clocks: A Five-Year Calendar of Plant and Insect Phenology in Secrest Arboretum
  Daniel A. Herms
• Summary
• Introduction
• Methods and Materials
• Results and Discussion
• Literature Cited
• Table 1. A Phenological Sequence for Wooster, Ohio, from 1997-2001.
• Progress in Research on Systemic Induced Resistance in Austrian Pine Against Shoot Blight (Formerly Known as Diplodia Tip Blight)
  Pierluigi (Enrico) Bonello, James T. Blodgett, and Daniel A. Herms

  Note: Pine shoot blight (pathogen: Sphaeropsis sapinea) is the new name for Diplodia tip blight (pathogen: Diplodia pinea).

  • Introduction
  • Systemic Induced Resistance
  • Vigor and Disease Resistance
  • Sphaeropsis Shoot Blight of Austrian Pine
  • Recent Progress in SIR Research in Pines
  • Conclusion
  • Acknowledgments
  • Literature Cited
• Understanding Failures in Ornamental Weed Control: Forget the Excuses!
  Hannah Mathers
  • Introduction
  • Weed Identification
  • Herbicide Timing
  • Classification and Soil Persistence
  • Mode-of-Action
  • Stage of Planting
  • Temperature
  • Final Points
  • References
  • Table 1. Several Herbicides Registered for Outdoor Ornamental Production With Trade and Common Names and Chemical Group Indicated (Mathers and Mills, 2001).
• Preventing Problems While Capitalizing on Beneficial Impacts of Mulching
  Harry A. J. Hoitink, Daniel A. Herms, and Pierluigi Bonello
  • Summary
  • Discussion
    • Fresh vs. Composted Organic Matter
    • Nuisance Fungi in Mulches
    • Timing of Application
    • Optimum Depth of Mulch Layer
    • How Long Do Effects Last?
    • Fertility Values of Composts
• Mulch Effects on Soil Microbial Activity, Nutrient Cycling, and Plant Growth in Ornamental Landscapes
  John E. Lloyd, Daniel A. Herms, Benjamin R. Stinner, and Harry A. J. Hoitink
  • Summary
  • Introduction
  • Organic Matter, Soil Microbes, and the Cycling of Nutrients
  • C:N Ratio of Mulch as a Key Determinant of Nitrogen Availability
  • Mulch and Nutrient Cycling: An Experimental Test
  • Mulch and Nutrient Cycling: Research Results
  • Horticultural Implications
  • Acknowledgments
  • Literature Cited
• Apple Scab on Crabapples at the Secrest Arboretum: 2001
  James A. Chatfield, Erik A. Draper, Daniel A. Herms, and Kenneth D. Cochran
  • Introduction
  • Materials and Methods
  • Results and Discussion
  • References
  • Table 1. Apple Scab at Secrest Arboretum in Wooster, Ohio, in 2001.
• Tackling Heat Stress in Container Stock
  Hannah Mathers
  • Abiotic Stresses
  • Heat Shock Proteins
  • Other Factors Regarding Heat Stress
  • Conclusions
  • References
• Gypsy Moth Update
  William Pound, Amy K. Stone, Daniel A. Herms, David J. Shetlar, and Kelly Harvey
  • Summary
  • Life Cycle and Biology
  • Insect Feeding Damage
  • Management Strategies
  • State Gypsy Moth Management Programs
  • Conclusion
• Using Treeage
  Joseph F. Boggs, James A. Chatfield, and Erik A. Draper
  • Summary
  • Introduction
    • Triage
    • Treeage
  • Dicussion
    • Examples of Treeage Categories
    • Shifting Treeage Categories
    • Application of Plant Treeage
    • Treeage and Integrated Pest Management (IPM)
  • References
• No Less Sweet Because We Know Its Name
  Martin F. Quigley, James A. Chatfield, and Kenneth D. Cochran
  • Basics of Plant Classification
  • The Latin Binomial
  • Cultivars
  • Plant Families
  • The Fun of Latin Names
  • References
• Buckeye Blast: The October OSU Extension Nursery Landscape and Turf Team Tour
  Amy K. Stone, Joseph F. Boggs, James A. Chatfield, Mary Maloney, Erik A. Draper, Hannah Mathers, Pamela J. Bennett, Jane C. Martin, and Marianne Riofrio
  • Bluegrass BYGLive! Lexington Kentucky
    • A Winning Legacy
    • Ph.D. Research Pursuits
    • Limestone, Karst, and Drought
    • What Killed the Foals?
    • A Scorching Devastation Hits Oak Trees
  • 35th Ohio Plant Diagnostic Workshop, Columbus, Ohio
    • One of the World's Top Scientists on Ice Cores and Global Warming
    • Georgia's Diagnosis from a Distance
  • And in Shorter Persentations...
    • Sudden Death of Oaks
    • Soil Samples and Plant Diagnostics
    • Ask the Right Questions–Systematically
    • Sharing Outrageous Examples
    • 36th Workshop Scheduled
  • OSU/ONLA Research Day
  • Master Gardener Diagnostic Workshop
  • BYGLOSOPHY