August A. De Hertogh

Niedziela, C. E., Kim, S. H., Nelson, P. V., & De Hertogh, A. A. (2008). Effects of N-P-K deficiency and temperature regime on the growth and development of Lilium longiflorum 'Nellie White' during bulb production under phytotron conditions. Scientia Horticulturae, 116(4), 430–436. https://doi.org/10.1016/j.scienta.2008.02.01

Kim, S. H., Niedziela, C. E., Jr., Nelson, P. V., De Hertogh, A. A., Swallow, W. H., & Mingis, N. C. (2007). Growth and development of Lilium longiflorum 'Nellie White' during bulb production under controlled environments - I. Effects of constant, variable and greenhouse day/night temperature regimes on scale and stem bulblets. SCIENTIA HORTICULTURAE, 112(1), 89–94. https://doi.org/10.1016/j.scienta.2006.11.015

Kim, S. H., Niedziela, C. E., Jr., Nelson, P. V., De Hertogh, A. A., Swallow, W. H., & Mingis, N. C. (2007). Growth and development of Lilium longiflorum 'Nellie White' during bulb production under controlled environments - II. Effects of shifting day/night temperature regimes on scale bulblets. SCIENTIA HORTICULTURAE, 112(1), 95–98. https://doi.org/10.1016/j.scienta.2006.11.012

Fanelli, F. L., & Hertogh, A. A. de. (2002). The effects of precooling temperatures and durations on forcing of Lilium longiflorum, 'Nellie White'. Proceedings of the Eighth International Symposium on Flowerbulbs.

De Hertogh, A. A., & Gallitano, L. (2000). Influence of photoperiod and day/night temperatures on flowering of Amaryllis (Hippeastrum) cv. apple blossom. XXV INTERNATIONAL HORTICULTURAL CONGRESS, PROCEEDINGS - PT 5, pp. 129–134. https://doi.org/10.17660/actahortic.2000.515.15

De Hertogh, A. A., & Gallitano, L. B. (1998). Influence of bulb packing systems on forcing of Dutch-grown Hippeastrum (Amaryllis) as flowering potted plants in North America. HortTechnology, 8(2), 175–179. https://doi.org/10.21273/horttech.8.2.175

De Hertogh, A. A., & Gallitano, L. (1997). Basic forcing requirements for Israeli-grown Ornithogalum dubium. FLOWER BULBS - SEVENTH INTERNATIONAL SYMPOSIUM, VOLS 1 AND 2, pp. 227–232. https://doi.org/10.17660/actahortic.1997.430.34

Hertogh, A. A. de, & Gallitano, L. (1997). Basic forcing requirements for Israeli-grown Ornithogalum dubium. Acta Horticulturae, (430), 227.

De Hertogh, A. A. (1997). Technologies for forcing flower bulbs. In A. H. H. H. Lilien-Kipnis & A. Borochov (Eds.), Seventh International Symposium on Flower Bulbs: March 10-16, 1996, Herzliya, Israel  (Acta horticulturae;  no. 430) (pp. 175–182). Wageningen, Netherlands: ISHS Ornamental Plant Section, International Working Group on Flower Bulbs.

Hertogh, A. A. de. (1997). Technologies for forcing flower bulbs. Acta Horticulturae, (430), 175.

Hertogh, A. A. de. (1996). Marketing and research requirements for Lilium in North America. Acta Horticulturae, (414), 17.

Hertogh, A. A. de, Nell, T. A., & Nard, M. le. (1992). Marketing opportunities for ornamental geophytes. Acta Horticulturae, (325), 319.

Hertogh, A. A. de, & Tilley, M. (1991). Planting medium effects on forced Swaziland- and Dutch-grown Hippeastrum hybrids. HortScience, 26(9), 1168.

Hertogh, A. A. de, & Milks, R. (1990). Forcing Dutch-grown freesias as potted plants in the U.S. and Canada. Acta Horticulturae, (266), 115.

Hertogh, A. A. de. (1990). Perspectives on future marketing, research and educational programs for flower bulbs. Acta Horticulturae, (266), 43.

Hertogh, A. A. de. (1987). Forcing of selected ornamental Oxalis spp. as potted plants. Acta Horticulturae, (205), 213.

Hertogh, A. A. de, & Kamp, M. (1986). Commercial forcing and marketing requirements for flower-bulbs in the U.S. and Canada. Acta Horticulturae, (177), 267.

Hertogh, A. A. D., Aung, L. H., & Benschop, M. (1983). The tulip: Botany, usage, growth and development. Horticultural Reviews, 5, 45.

Hertogh, A. D. (1980). Bulbous plants. In Introduction to floriculture (p. 215). New York: Academic Press.

Hertogh, A. A. D., & Breg, T. (1980). Internodal growth of the tulip during the greenhouse phase of standard forcing. Acta Horticulturae, 157.

Hertogh, A. A. D., Dilley, D. R., & Blakely, N. (1980). Response variation of tulip cultivars to exogenous ethylene. Acta Horticulturae, 205.