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Influence of Temperature and Acid Scarification Duration on Scarlet Morningglory (Ipomoea coccinea) Seed Germination

Published online by Cambridge University Press:  12 June 2017

W. S. Hardcastle
W. S. Hardcastle*
Affiliation:
Univ. of Georgia, Georgia Stn., Experiment, GA 30212
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Abstract

When seed coats of scarlet morningglory (Ipomoea coccinea L.) were pricked with a needle or scarified by H2SO4, seed germination was improved. The highest percent germination was obtained with seeds pricked with a needle or exposed to H2SO4 for 180 min prior to incubation in moist paper towels. Seed planted in a potting mixture of sandy clay loam, ground sphagnum moss, and sand had the highest germination after 75 min exposure to acid. Scarlet morningglory seed germination was highest (74%) between 15 and 30 C after 144 h incubation.

Type
Research Article
Information
Weed Science , Volume 26 , Issue 3 , May 1978 , pp. 261 - 263
Copyright
Copyright © 1978 by the Weed Science Society of America 

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References

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