Michael Dirr

Q: What Schools Are Affiliated With Michael Dirr

Michael Dirr is affiliated with the following schools: Ohio State University, University of Massachusetts Amherst, University of Illinois Urbana-Champaign, University of Georgia, University of Massachusetts, University of Arkansas

Michael Dirr's AcademicInfluence.com Rankings

Michael Dirr

Biology

#550

World Rank

#969

Historical Rank

#312

USA Rank

Horticulture

World Rank

Historical Rank

USA Rank

biology Degrees

Download Badge

Biology

Michael Dirr's Degrees

PhD Plant Physiology University of Massachusetts
Masters Horticulture University of Massachusetts

Why Is Michael Dirr Influential?

(Suggest an Edit or Addition)

According to Wikipedia, Michael A. Dirr is an American horticulturist and a professor of horticulture at the University of Georgia. He is an expert on woody plants. Education and experience Dirr earned a Bachelors in Science degree in Plant Physiology and a Masters in Science degree in Plant Physiology from Ohio State University and a Ph.D in Plant Physiology from the University of Massachusetts Amherst, in 1972. Upon graduation from the University of Massachusetts, Dirr was an Assistant Professor of Ornamental Horticulture at the University of Illinois, Urbana, where he continued to work until 1978. He then became a Mercer Fellow at the Arnold Arboretum of Harvard University through 1979. In 1979, he became the Director of the University of Georgia Botanical Garden. In 1981, he returned to teach at the University of Georgia and was promoted to Professor in 1984.

(See a Problem?)

Michael Dirr's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Manual of woody landscape plants: their identification, ornamental characteristics, culture, propagation and uses. (1998) (602)
The reference manual of woody plant propagation : from seed to tissue culture : a practical working guide to the propagation of over 1100 species, varieties, and cultivars (1987) (239)
Selection of Trees for Tolerance to Salt Injury (1976) (67)
Photosynthesis and Leaf Water, Carbohydrate, and Hormone Status during Rooting of Stem Cuttings of Acer rubrum (1991) (39)
Photographic manual of woody landscape plants. (1978) (33)
Dirr's Hardy Trees and Shrubs: An Illustrated Encyclopedia (1997) (33)
Environmental Control of Flowering and Growth of Achillea millefolium L. `Summer Pastels' (1996) (28)
Enhanced Rooting of Wounded Mung Bean Cuttings by Wounding and Ethephon1 (1983) (25)
Dirr's Encyclopedia of Trees and Shrubs (2011) (24)
Phytotoxic Effects of Several Bark Extracts on Mung Bean and Cucumber Growth1 (1976) (21)
Discrimination and Genetic Diversity of Cephalotaxus Accessions Using AFLP Markers (2000) (20)
Remontant flowering potential of ten Hydrangea macrophylla (Thunb.) Ser. cultivars (2003) (19)
Extraction of nitrate reductase from leaves of ericaceae (1973) (17)
Cold Hardiness Capability of Woody Ornamental Plant Taxa1 (1981) (16)
Tolerance of Honeylocust Seedlings to Soil-applied Salts1 (1974) (15)
Cold Hardiness of Six Cultivars of Chinese Elm (1991) (15)
Production and Verification of Hydrangea macrophylla x H. angustipetala Hybrids (2009) (15)
Effects of P-ITB and IBA on the rooting response of 19 landscape taxa. (1990) (14)
Nitrogen and calcium nutrition of Petunia × hybrida ‘Coral Sea’ (1985) (14)
Gradients in susceptibility and resistance mechanisms of Buddleia L. taxa to the two-spotted spider mite (Tetranychus urticae Koch). (1999) (13)
Drought Stress Increases Densities but Not Populations of Two-spotted Spider Mite on Buddleia davidii 'Pink Delight' (1999) (13)
Low-temperature Exotherms and Cold Hardiness in Three Taxa of Deciduous Trees (1995) (12)
Tolerance of Seven Woody Ornamentals to Soil-Applied Sodium Chloride (1978) (11)
Timing and K-IBA Treatments Affect Rooting of Stem Cuttings of Cephalotaxus harringtonia (1996) (11)
Dirr's Trees and Shrubs for Warm Climates: An Illustrated Encyclopedia (2002) (10)
COLD HARDINESS ESTIMATES FOR TEN HYDRANGEA TAXA (2003) (10)
Cooling and warming effects on cold hardiness estimations of three woody ornamental taxa (1992) (10)
Effect of Cutting Size on Rooting and Subsequent Growth of Acer rubrum ‘Red Sunset’ Cuttings (1987) (10)
Cold Hardiness Potential of Ten Hydrangea Taxa (2002) (9)
Effects of Dolomitic Lime on Growth and Nutrient Uptake of Buddleia davidii ‘Royal Red’ Grown in Pine Bark (1998) (8)
USE OF SINGLE-PRIMER DNA AMPLIFICATIONS FOR THE IDENTIFICATION OF RED MAPLE (ACER RUBRUM L.) CULTIVARS (1993) (8)
Propagation of Quercus L. Species by Cuttings (1989) (8)
Molecular Assessment of Remontant (Reblooming) Hydrangea macrophylla Cultivars (2003) (8)
Environmental Control of Flowering and Growth of Lysimachia congestiflora Hemsl. (1995) (7)
Leaf and Stem Cold Hardiness of 17 Broadleaf Evergreen Taxa (1990) (7)
Effect of nitrogen and calcium stock plant nutrition on Petunia × hybrida leaf and anther explant growth in vitro (1986) (7)
Cold hardiness estimates of woody taxa from cultivated and wild collections (1993) (7)
Amelioration of Salt Damage to Cotoneaster by Gypsum (1980) (6)
Rooting Response of Photinia × fraseri Dress ‘Birmingham’ to 25 Carrier and Carrier Plus IBA Formulations (1989) (6)
Tissue Culture Propagation of Liriope muscari and Ophiopogon jaburan (1983) (6)
Effect of nitrogen form and rate on appearance and cold acclimation of three container-grown woody ornamentals (1979) (5)
Street trees : for home and municipal landscapes (1979) (4)
The Allegheny Pachysandra (1979) (4)
Ilex glabra- The Inkberry Holly (1991) (4)
Effects of Selected Pruning Methods on Subsequent Growth of Photinia × fraseri (1984) (3)
Effect of Nitrogen Form and pH on Growth, NO3-N, NH4-N and Total N Content of Container-grown Doublefile Viburnum1 (1975) (3)
Effects of fertilizer and night interruption on overwinter survival of rooted cuttings of Quercus L (1993) (3)
Potential New Ornamental Plants from China (2004) (3)
Influence of Spacing on Yield of Buddleia and Salix Grown as Cut Flowers and Stems (1995) (3)
Effects of Depulping, Stratification, and Growth Regulators on Seed Germination of Liriope muscari1 (1981) (2)
Cold Hardiness of Magnolia grandiflora L. Cultivars (1991) (2)
Induction of nitrate reductase in pumpkin seedlings (1978) (2)
Fringe trees - ready to be propagated. (1980) (2)
Tolerance of Leyland Cypress and Red-Tip Photinia to Soil and Foliar Applied Sodium Chloride (1990) (2)
Cold hardiness estimates of Acer L. taxa (1993) (2)
Photographic Manual of Woody Landscape Plants: Form and Function in the Landscape (1978) (1)
Trees and Shrubs Hardy in the British Isles. Eighth Edition Revised. W.J. Bean, Butler & (2009) (1)
Effect of Night Interruption Photoperiod Treatment on Subsequent Growth of Acer rubrum Cuttings (1988) (1)
Seasonal Cold Hardiness Differences of Three Woody Plant Taxa during the Production Stage and as Established Landscape Plants (1994) (1)
Classification of Cephalotaxus Species Based on rbcL Sequences (1996) (1)
Effects of Salts and Application Methods on English Ivy1 (1975) (1)
Pruning effects on the cold hardiness of Haggerston gray Leyland cypress and Natchez crape myrtle (1991) (1)
Effect of Growth Regulators on Rooting of Magnolia grandifloraCultivars (1998) (0)
THE INFLUENCE OF RATE OF COOLING OR RATE OF WARMING ON THE COLD HARDINESS OF × CUPRESSOCYPARIS LEYLANDII, LAGERSTROEMIA, AND PHOTINIA × FRASERI (1991) (0)
INFLUENCE OF SPACING ON CUT FLOWER AND CUT STEM PRODUCTION OF FIELD-GROWN SALIX AND BUDDLEIA. (1993) (0)
Clone variation and cultivar discrimination of Distylium using ISSR markers (2017) (0)
194 COLD HARDINESS AND CARBOHYDRATE CONTENT OF FOUR CULTIVARS OF FIELD-GROWN SOUTHERN MAGNOLIA (1994) (0)
Investigation of Anthocyanic Pigments and Substances Inhibitory to Seed Germination in the Fruit Pulp of Liriope muscari1 (1982) (0)
PRUNING EFFECTS ON COLD HARDINESS OF TWO WOODY ORNAMENTAL PLANT TAXA (1990) (0)
Nitrogen Form and Growth and Nitrate Reductase Activity of the Cranberry1 (1974) (0)
543 Flowering and Growth Response to Photoperiod and Cold Treatment of Arabis sturii Mottet (1999) (0)
Differential Resistance to Entomosporium Leafspot Disease and Hydrogen Cyanide Potential in Photinia (1996) (0)
Low-temperature Exotherms and Freeze Tolerance in Three Taxa of Deciduous Trees (1995) (0)
225 Growth and Aesthetic Evaluations of Container- and Field-grown Atlantic White Cedar, Chamaecyparis thyoides (L.) B.S.P. (2000) (0)
Nitrate Reductase Activity in the Leaves of the Highbush Blueberry and Other Plants1 (1972) (0)
The Propagation of Liriope muscari ‘Variegata’ and Ophiopogon japonicus from Seeds1 (1982) (0)
546 Seed Germination of Abelia × grandiflora (Andre) Rehd. (2000) (0)
Application of DNA Markers to the Identification of Horticultural Plants (1997) (0)
Significant environmental and biochemical factors in seed germination of Liriope muscari and two related taxa Liriope muscari Variegata and Ophiopogon japonicus (1982) (0)
The Sweet Pepperbush: A Summer Sensation (1991) (0)
SELECTION AND INTRODUCTION OF WOODY LANDSCAPE ORNAMENTALS AT THE UNIVERSITY OF GEORGIA (1993) (0)
Preliminary Investigation on Discrimination and Genetic Diversity of Cephalotaxus Taxa Using AFLP Markers (1998) (0)
Micropropagation of the green pitcher plant (1988) (0)
First Impressions of the Arnold Arboretum (1978) (0)
015 Susceptibility of Atlantic White Cedar, Chamaecyparis thyoides (L.) B.S.P., to Botryosphaeria and Seiridium Cankers (2000) (0)
562 PB 409 THE EFFECT OF PHOTOPERIOD ON THE COLD HARDINESS AND CARBOHYDRATE CONTENT OF TWO CULTIVARS OF SOUTHERN MAGNOLIA (1994) (0)
A Survey of Chinese Plants of Potential Ornamental Value for the Southeastern United States (1995) (0)
Tissue Culture Propagation of L iriope m u sca ri and O phiopogon ja b u ra n (2022) (0)
The Interaction of Photoperiod and Temperature on Cold Hardiness and the Accumulation of Soluble Sugars in Two Cultivars of Southern Magnolia (Magnolia grandiflora L.) (1995) (0)
FALL PRUNING EFFECTS COLD HARDINESS OF FIELD-GROWN CRAPE MYRTLE (1993) (0)
542 Influence of Sowing Time and Temperature on Growth and Flowering of Platycodon grandiflorus (Jacq.) A. DC. `Sentimental Blue' (1999) (0)
Magnolia zenii Cheng. 'Pink Parchment' (2002) (0)
Evergreen Screening Plants (1979) (0)
Growth and Development of Leucothoe and Rhododendron under Different Nitrogen and pH Regimes1 (1973) (0)
Plant Nutrition and Woody Ornamental Growth and Quality1 (1975) (0)
Research Reports: Effects of Fertilizer and Night Interruption on Overwinter Survival of Rooted Cuttings of Quercus L.1 (1993) (0)
Factors Affecting the Resistance of Buddleia Species to the Two-Spotted Spider Mite (1997) (0)
763 PB 307 ENVIRONMENTAL CONTROL ON FLOWERING AND GROWTH OF LYSIMACHIA CONGESTIFLORA (1994) (0)
492 Storage of Abelia R. Br. Pollen (1999) (0)
The University of Georgia Botanical Garden (1981) (0)

This paper list is powered by the following services:

Other Resources About Michael Dirr

en.wikipedia.org

What Schools Are Affiliated With Michael Dirr?

Michael Dirr is affiliated with the following schools:

Michael Dirr's Academic­Influence.com Rankings