Bending growth in fern gametophyte protonema |
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| Authors: | Davis Bill D. |
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| Affiliation: | Department of Biological Sciences, Douglass College, Rutgers—The State University New Brunswick, N.J. 08903, U.S.A. |
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| Abstract: | Filamentous young gametophytes of the fern, Pteridium aquilinum,exhibit a positive phototropism in unilateral light. The displacementof artificial markers demonstrated that this new direction ofgrowth was due to the repositioning of the apical growth tiprather than an increased growth on the dark side. (Received December 16, 1974; ) |
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