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1978

Portland State University

Germination

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Germination, Respiration And Photosynthesis In Seeds Of Dwarf Mistletoe (Arceuthobium), Steven Wayne Gustafson Jan 1978

Germination, Respiration And Photosynthesis In Seeds Of Dwarf Mistletoe (Arceuthobium), Steven Wayne Gustafson

Dissertations and Theses

Germination, respiration, and photosynthesis in seeds of dwarf mistletoe (Arcenthobium) were studied. The effects of 1 hour soakings of seeds in aqueous solutions of 1, 2, or 3% H2O2 or 1, 2, 3, 4, or 5% Chlorox on germination of seeds were tested. Germination rates for seeds from three consecutive years (1975-1977) were obtained. Germination rates varied widely. This variance transcended subtle changes in treatment. Pretreatment of seeds with Chlorox resulted in significantly lower germination rates than those of the control. Chlorophyll concentrations were determined for seeds and aerial shoot tissue of four species. Seeds of A. …