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Redweed (Melochia corchorifolia) Germination as Influenced by Scarification, Temperature, and Seeding Depth

Published online by Cambridge University Press:  12 June 2017

E. Ford Eastin
E. Ford Eastin*
Affiliation:
Weed Sci., Texas Agric. Exp. Stn., Beaumont, TX 77706
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Abstract

Scarification of freshly harvested redweed (Melochia corchorifolia L.) seed for 15 to 30 s in an electric scarifier equipped with 100- to 120-grit emery cloth resulted in the best germination. Scarified seed germinated best at 35 and 40C. At 10 and 45C there was no germination even after 7 days. Seven days after planting in silt loam soil there was 80 to 90% emergence of redweed from depths of 1 to 5 cm, whereas no emergence was observed from depths of 0, 8, or 10 cm.

Keywords

Weedemergenceplanting depthdormancy

Information

Type
Research Article
Information
Weed Science , Volume 31 , Issue 2 , March 1983 , pp. 229 - 231
Copyright
Copyright © 1983 Weed Science Society of America 

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References

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