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Science 17 August 1962:
Vol. 137. no. 3529, pp. 535 - 536
DOI: 10.1126/science.137.3529.535
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Articles

Effect of Rotation on Flowering Response of Xanthium pennsylvanicum

Takashi Hoshizaki 1 and K. C. Hamner 2

1 Space Biology Laboratory, University of California Medical Center, Los Angeles
2 Department of Botany, University of California, Los Angeles

The flowering response of Xanthium pennsylvanicum Wallr. is attenuated when the plant is rotated around a horizontal axis at the rate of 0.25 rev/min. Rotation prior to an inductive dark period has the strongest effect.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Geotropic Stimulation: Effects on Wound Vessel Differentiation.
L. W. Roberts and D. E. Fosket (1962)
Science 138, 1264-1265
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Science. ISSN 0036-8075 (print), 1095-9203 (online)