| Photometric, radiometric, and quantum light units of measure: a review of procedures for interconversion RW Thimijan, RD Heins HortScience 18 (6), 818-822, 1983 | 743 | 1983 |
| Thermomorphogenesis in Lilium longiflorum JE Erwin, RD Heins, MG Karlsson American Journal of Botany 76 (1), 47-52, 1989 | 286 | 1989 |
| Specific functions of red, far red, and blue light in flowering and stem extension of long-day plants ES Runkle, RD Heins Journal of the American society for horticultural science 126 (3), 275-282, 2001 | 210 | 2001 |
| Control of plant morphogenesis and flowering by light quality and temperature R Moe, R Heins Symposium on Bedding and Pot Plant Culture 272, 81-90, 1989 | 209 | 1989 |
| Thermomorphogenic responses in stem and leaf development JE Erwin, RD Heins HortScience 30 (5), 940-949, 1995 | 169 | 1995 |
| Inhibition of ethylene synthesis and senescence in carnation by ethanol. RD Heins Journal of the American Society for Horticultural Science 105 (1), 141-144, 1980 | 151 | 1980 |
| Temperature and photosynthetic photon flux influence chrysanthemum shoot development and flower initiation under short-day conditions MG Karlsson, RD Heins, JE Erwin, RD Berghage, WH Carlson, ... Journal of the American Society for Horticultural Science 114 (1), 158-163, 1989 | 141 | 1989 |
| Computer-vision-based system for plant growth analysis H Shimizu, RD Heins Transactions of the ASAE 38 (3), 959-964, 1995 | 108 | 1995 |
| Ethephon influences flowering, height, and branching of several herbaceous perennials T Hayashi, RD Heins, AC Cameron, WH Carlson Scientia Horticulturae 91 (3-4), 305-324, 2001 | 102 | 2001 |
| Stem elongation and flowering of the long-day plant Campanula isophylla Moretti in response to day and night temperature alternations and light quality R Moe, RD Heins, J Erwin Scientia horticulturae 48 (1-2), 141-151, 1991 | 95 | 1991 |
| Temperature effects on lily development rate and morphology from the visible bud stage until anthesis JE Erwin, RD Heins Journal of the American Society for Horticultural Science 115 (4), 644-646, 1990 | 87 | 1990 |
| Method and apparatus for optimization of growth of plants WH Carlson, RD Heins US Patent 4,569,150, 1986 | 87 | 1986 |
| Quantification of temperature effects on stem elongation in poinsettia RD Berghage, RD Heins Journal of the American Society for Horticultural Science 116 (1), 14-18, 1991 | 86 | 1991 |
| Temperature and photoperiod effects on Fuchsia× hybrida morphology JE Erwin, RD Heins, R Moe Journal of the American Society for Horticultural Science 116 (6), 955-960, 1991 | 81 | 1991 |
| Lamp type and irradiance level for daylength extensions influence flowering of Campanula carpatica'Blue Clips', Coreopsis grandiflora'Early Sunrise', and Coreopsis verticillata … CM Whitman, RD Heins, AC Cameron, WH Carlson | 80 | 1998 |
| Height control of poinsettia using photoselective filters SC Clifford, ES Runkle, FA Langton, A Mead, SA Foster, S Pearson, ... HortScience 39 (2), 383-387, 2004 | 79 | 2004 |
| Understanding and applying graphical tracking R Heins Greenhouse Grower 8, 72-80, 1990 | 78 | 1990 |
| Irradiance and temperature effects on time of development and flower size in chrysanthemum MG Karlsson, RD Heins, JE Erwin, RD Berghage, WH Carlson, ... Scientia Horticulturae 39 (3), 257-267, 1989 | 78 | 1989 |
| Manipulating the light environment to control flowering and morphogenesis of herbaceous plants ES Runkle, RD Heins V International Symposium on Artificial Lighting in Horticulture 711, 51-60, 2005 | 72 | 2005 |
| Quantifying temperature-controlled leaf unfolding rates in ‘Nellie White’Easter lily MG Karlsson, RD Heins, JE Erwin Journal of the American Society for Horticultural Science 113 (1), 70-74, 1988 | 72 | 1988 |
John E. ErwinProfessor and Chair, Department of Plant Science and Landscape Architecture, University of MarylandVerified email at umd.edu
