Notes: Gibberellic Acid Stimulates Germination of Sweetgum Seed

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Treatment with a K-salt of gibberellic acid increased total germination of unstratified sweetgum seed over that of untreated controls. Successive increments of 75 ppm up to a concentration of 225 ppm educed progressively higher germination; thereafter germination declined. Response to gibberellic acid treatment was greatest in aqueous solution.

Document Type: News

Affiliations: Research Forester with the Southern Forest Expt. Sta., Forest Serv., U.S Dept. Agric.

Publication date: December 1, 1967

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