Role of gravitational stress in land plant evolution
Subtitle: the gravitational factor in lignification; [semi-annual report]
By: by S. M. Siegel.
Contributors: Puerner, Norma Jean.
Series: Hawaii botanical science paper no. 9,; Hawaii botanical science paper no. 9 [etc.]
Publisher: University of Hawaii
Published: 1969
Place of publication: [Honolulu]
Language: eng
Subjects: Plants -- Evolution.; Geotropism.; Lignin.
Notes: Cover title.
"Prepared under grant no. BCR 12-001-053 with the National Aeronautics and Space Administration."
Vol. 4, pt. 1, contains M. J. Puerner's M.S. thesis, University of Hawaii, 1970: Metabolic and morphological effects of silicon and germanium on plants.
Table of contents: title: [2] May 1, 1969.; title: [3] January 1970.; title: [4] June 1970, pt. 1.