Rotation Axes for Analysis of Gravity Effects on Plant Organs
Author(s) -
Charles J. Lyon
Publication year - 1967
Publication title -
plant physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.554
H-Index - 312
eISSN - 1532-2548
pISSN - 0032-0889
DOI - 10.1104/pp.42.6.875
Subject(s) - rotation (mathematics) , horizontal axis , vertical axis , plant growth , biology , botany , orientation (vector space) , geodesy , bioassay , geometry , geology , mathematics , ecology , engineering , structural engineering
Epinastic curvatures of branches of Coleus blumei Benth. and the growth pattern of wheat (Triticum aestivum L.) seedlings on clinostats were used for bioassay of rotation methods for preventing growth responses to gravity. Tumbling a plant end over end was found to be just as effective as rotation about its horizontal axis. The results support the reliability of data from experiments in which an entire plant is rotated about a single horizontal line with only part or none of its immature tissues in horizontal orientation to gravity.
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