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Dive into the research topics where Michael A. Dirr is active.

Publication


Featured researches published by Michael A. Dirr.


Journal of The American Society for Horticultural Science | 2000

Discrimination and Genetic Diversity of Cephalotaxus Accessions Using AFLP Markers

Donglin Zhang; Michael A. Dirr; Robert A. Price


Journal of The American Society for Horticultural Science | 1999

GRADIENTS IN SUSCEPTIBILITY AND RESISTANCE MECHANISMS OF BUDDLEIA L. TAXA TO THE TWO-SPOTTED SPIDER MITE (TETRANYCHUS URTICAE KOCH)

Jeffrey H. Gillman; Michael A. Dirr; S. Kristine Braman


Hortscience | 1996

Environmental control of flowering and growth of Achillea millefolium L. 'summer pastels'

Donglin Zhang; Allan M. Armitage; James M. Affolter; Michael A. Dirr


Hortscience | 2003

Remontant flowering potential of ten Hydrangea macrophylla (Thunb.) Ser. cultivars

Jeffrey A. Adkins; Michael A. Dirr


Hortscience | 1991

Cold hardiness of six cultivars of Chinese elm

Orville M. Lindstrom; Michael A. Dirr


Journal of The American Society for Horticultural Science | 1995

Low-temperature Exotherms and Cold Hardiness in Three Taxa of Deciduous Trees

Orville M. Lindstrom; Tomasz Anisko; Michael A. Dirr


Hortscience | 1996

Timing and K-IBA Treatments Affect Rooting of Stem Cuttings of Cephalotaxus harringtonia

Andrea L. Southworth; Michael A. Dirr


Journal of environmental horticulture | 2003

Molecular Assessment of Remontant (Reblooming) Hydrangea macrophylla Cultivars 1

Jon T. Lindstrom; Matthew C. Pelto; Michael A. Dirr


Hortscience | 1999

Drought Stress Increases Densities but Not Populations of Two-spotted Spider Mite on Buddleia davidii `Pink Delight'

Jeffrey H. Gillman; Mark Rieger; Michael A. Dirr; S. Kristine Braman


Journal of environmental horticulture | 1993

Cold Hardiness Estimates of Woody Taxa From Cultivated and Wild Collections 1

Michael A. Dirr; Orville M. Lindstrom; Rick Lewandowski; Matthew J. Vehrs

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Richard T. Olsen

United States Department of Agriculture

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