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The Effect of Time of Seeding on Growth and Development of Rough Pigweed and Yellow Foxtail

Published online by Cambridge University Press:  12 June 2017

Jonas Vengris
Jonas Vengris*
Affiliation:
Department of Agronomy
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Abstract

Rough pigweed (Amaranthus retroflexus L.) on the average emerged 2 days earlier than yellow foxtail (Setaria glauca (L.) Beauv.) The heading and maturity of both weeds seeded in corn was delayed for 3–4 days. The interval between emergence and maturity decreased progressively as seeding dates were delayed. The tallest plants and the highest yields were produced from the early spring seedings. Competition from corn depressed yields of both weeds more than their heights. Height and yield of foxtail seeded during July were most affected. In later seedings foxtail tolerated corn competition much better than pigweed.

Type
Research Article
Information
Weeds , Volume 11 , Issue 1 , January 1963 , pp. 48 - 50
Copyright
Copyright © 1963 Weed Science Society of America 

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References

Literature Cited

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