Plant husbandry – Process
Patent
1996-04-03
1998-02-17
Robinson, Douglas W.
Plant husbandry
Process
47DIG6, A01H 302
Patent
active
057180806
ABSTRACT:
To make it possible to control the forms of flowering plants by controlling light quality of cultivation light, without using any chemicals such as dwarfing agents, a method of cultivating a flowering plant selected from the group consisting of the genus Petunia, the genus Pelargonium and the genus Euphorbia is proposed, which comprises controlling light quality of cultivation light in the daylight period after a seedling culture stage, in particular, after true-leaf development until blooming or bract formation to thereby control the forms concerning the height of a plant, the length of a branch, the length of a corolla, the length of a flower tube, the number of florets, the dimensions of a flower cluster, the number of bracts or the length of a bract.
REFERENCES:
patent: 4788793 (1988-12-01), Kadkade
Mortensen et al. Effects of light quality on some greenhouse crops. Scientia Horticulturae. vol. 33. pp. 27-36 1987.
McMahon et al. Control of poinsettia growth and pigmentation by manipulating light quality. Hortscience. vol. 25. p. 1068. (Abstract #32) 1990.
McMahon et al. Growth of Dendranthema x grandiflorum (Ramat.) Kitamura under various spectral filters. Journal of the American Society for Horticultural Science. vol. 116. pp. 950-954 1991.
Karlsson et al. Light quality initiating for ending the day affects internode length in Petunia. Hortscience. vol. 30. p. 861. (Abstract #727) 1995.
Scientia Horticulturae, vol. 48, pp. 141-151, 1991, Roar MOE, et al., "Stem Elongation and Flowering of the Long-Day Plant Campanula Isophylla Moretti in Response to Day and Night Temperature Alternations and Light Qualtiy".
Scientia Horticulturae, vol. 45, pp. 345-351, 1991, M. Appelgren, "Effects of Light Quality on Stem Elongation of Pelargonium In Vitro".
J. Amer. Soc. Hort. Sci., vol. 117, No. 3, pp. 481-485, 1992, Nihal C. Rajapakse, et al., "Regulation of Chrysanthemum Growth by Spectral Filters".
De Graaf et al, The Effect of Day Extensions with Different Light Qualities on the Morphogenesis of Fuchsia, Petunia and Pelargonium, Acta Horticulurae, vol. 305, 1992, pp. 85-94.
Fukuda Naoya
Ohtani Toshio
Okushima Limi
Sase Sadanori
Kimball Melissa L.
National Research Institute of Agricultural Engineering, Ministr
Robinson Douglas W.
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