The action of formaldehyde as a stimulant to plant growth revives the so-called law or hypothesis of Arndt (1)** that substances toxic to the living plant may, in very dilute concentrations, act as a stimulant. In general, between the toxic and stimulative concentrations there is the gradation of the former into the latter. This gradation may properly be called "toleration". (See plate 1.)
| Identifer | oai:union.ndltd.org:UMASS/oai:scholarworks.umass.edu:theses-2379 |
| Date | 01 January 1919 |
| Creators | Jones, Linus Hale |
| Publisher | ScholarWorks@UMass Amherst |
| Source Sets | University of Massachusetts, Amherst |
| Detected Language | English |
| Type | text |
| Format | application/pdf |
| Source | Masters Theses 1911 - February 2014 |
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