Plant husbandry – Process
Patent
1996-04-03
1998-03-31
Robinson, Douglas W.
Plant husbandry
Process
47DIG6, A01H 302
Patent
active
057325065
ABSTRACT:
To make it possible to control the external view of flowers of petunias not by breeding but by only controlling cultivation environment, a method of cultivating a petunia having a colored portion and an outer margin in its corolla is proposed, which comprises controlling light quality of cultivation light in the daylight period after a seedling culture stage, in particular, after flower-bud differentiation until blooming to thereby control the proportion of the colored portion to the outer margin in the corolla. Especially, to broaden the outer margin in the corolla of the petunia, it is preferable to use yellow light as the cultivation light, and to narrow it, blue light as the light quality.
REFERENCES:
patent: 4788793 (1988-12-01), Kadkade
Scientia Horticulturea, vol. 48, pp. 141-151, 1991, Roar Moe .sup.a, et al. "Stem Elongation and Flowering of The Long-Day Plant Campanula Isophylla Moretti in Response to Day and Night Temperature Alternations and Light Quality ".
Scientia horticulutrae, vol. 45, pp. 345-351, 1991, Maigull 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".
Krol et al. Antisense chalcone synthase genes in petunia: visualization of variable transgene expression. Molecular and General Genetics. vol. 220. PP. 204-212.
Weiss et al. the role of light reactions in the regulation of anthocyanin synthesis in Petunia corollas. Physiologia Plantarum. vol. 81. pp. 127-133.
De Graaf et al, The Effect of Dy 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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