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Germination of Two Foxtail (Setaria) Species

Published online by Cambridge University Press:  12 June 2017

Diane R. Manthey  and
John D. Nalewaja
Diane R. Manthey
Affiliation:
Agron. Dep., North Dakota State Univ., Fargo, ND 58105
John D. Nalewaja
Affiliation:
Agron. Dep., North Dakota State Univ., Fargo, ND 58105
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Abstract

Green and yellow foxtail [Setaria viridis (L.) Beauv. #3 SETVI and S. glauca (L.) Beauv. #SETLU] seed germination after 14 days were similar at 15, 20, and 25 C. However, at 10, 30, and 35 C, green foxtail seed germination was higher than that of yellow foxtail, indicating that temperature extremes influenced green foxtail seed germination less than that of yellow foxtail. Seed germination of both species was initiated at about the same time; however, green foxtail seed germinated 1 to 2 days faster than yellow foxtail at all temperatures. After 72 h in −4 bars osmotic potential solution at 25 C, green foxtail seed germination was 70% compared to 12% for yellow foxtail, suggesting that green foxtail seed may germinate more rapidly than yellow foxtail seed in soils with limited moisture.

Keywords

Temperaturesoil moisturegreen foxtailyellow foxtailSETVISETLU.
Type
Research
Information
Weed Technology , Volume 1 , Issue 4 , October 1987 , pp. 302 - 304
Copyright
Copyright © 1987 by the Weed Science Society of America 

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References

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