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Effect of Postharvest Field Burning on Jointed Goatgrass (Aegilops cylindrica) Germination

Published online by Cambridge University Press:  12 June 2017

Frank L. Young ,
Alex G. Ogg Jr.  and
Peter A. Dotray
Frank L. Young
Affiliation:
U.S. Dep. Agric., Agric. Res. Serv., 215 Johnson Hall, Wash. State Univ., Pullman, WA 99164
Alex G. Ogg Jr.
Affiliation:
Dep. Agron. Soils, Wash. State Univ., Pullman, WA 99164
Peter A. Dotray
Affiliation:
Dep. Agron. Soils, Wash. State Univ., Pullman, WA 99164
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Abstract

In a kiln experiment, temperatures of 200 to 400 C for 120 sec reduced germination of jointed goatgrass seeds 50 to 100%. Postharvest field burning of wheat and jointed goatgrass stubble destroyed 43 to 64% of the jointed goatgrass spikelets located on the soil surface. Seeds contained in spikelets that were minimally burned (slightly browned) germinated 32 to 65%, while seeds contained in spikelets moderately (less than 50% charred) and severely burned (greater than 50% charred) germinated 5 and 0%, respectively. Field burning destroyed 90% or more of jointed goatgrass seeds in spikelets located on the soil surface. Burning may be a feasible method for controlling small infestations of this weed.

Keywords

Jointed goatgrass, Aegilops cylindrica Host. ♯3 AEGCYwheat, Triticum aestivum L.Fireshoot productiontemperaturewheatAEGCY

Information

Type
Research
Information
Weed Technology , Volume 4 , Issue 1 , March 1990 , pp. 123 - 127
Copyright
Copyright © 1990 Weed Science Society of America 

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References

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