William H. Carlson

Temperature and Photosynthetic Photon Flux Influence Chrysanthemum Shoot Development and Flower Initiation under Short-day Conditions

Meriam G. Karlsson, Royal D. Heins, John E. Erwin et al. · Journal of the American Society for Horticultural Science · 1989 · 88 citations · Full text

Botany, Photobiology, Plant Pathology +16

Ethephon influences flowering, height, and branching of several herbaceous perennials

Takahiro Hayashi, Royal D. Heins, Arthur C. Cameron et al. · Scientia Horticulturae · 2001 · 62 citations

Biology, Botany, Natural Sciences +5

Irradiance and temperature effects on time of development and flower size in chrysanthemum

Meriam G. Karlsson, Royal D. Heins, John E. Erwin et al. · Scientia Horticulturae · 1989 · 55 citations

Botany, Temperature Effects, Crop Physiology +6

Lamp Type and Irradiance Level for Daylength Extensions Influence Flowering of Campanula carpatica `Blue Clips', Coreopsis grandiflora `Early Sunrise', and Coreopsis verticillata `Moonbeam'

Catherine M. Whitman, Royal D. Heins, Arthur C. Cameron et al. · Journal of the American Society for Horticultural Science · 1998 · 52 citations · Full text

Botany, Photobiology, Saturation Irradiance Values +16

Flowering of Herbaceous Perennials under Various Night Interruption and Cyclic Lighting Treatments

Erik S. Runkle, Royal D. Heins, Arthur C. Cameron et al. · HortScience · 1998 · 52 citations · Full text

Biology, Saturation Duration Treatments, Botany +11