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Control of Foxtail Millet (Setaria italica) in New Seedings of Alfalfa (Medicago sativa) with EPTC Applied in Surface Lines

Published online by Cambridge University Press:  12 June 2017

J. H. Dawson  and
Eduardo Dell'Agostino
J. H. Dawson
Affiliation:
U.S. Dep. Agric., Irrigated Agric. Res. and Ext. Center, Prosser, WA 99350
Eduardo Dell'Agostino
Affiliation:
Inst. Nac. Tec. Agro., Est. Exp., Hilario Ascasubi, Prov. de Buenos Aires, Argentina
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Abstract

At Hilario Ascasubi, Argentina, and Prosser, Washington, EPTC (S-ethyl dipropylthiocarbamate) was injected in sandy soil as two lines 5 cm deep and 6 cm apart. At 2 kg/ha (assuming the treated area was 12 cm wide), EPTC controlled 95 to 100% of foxtail millet [Setaria italica (L.) Beauv.] in a band 13 to 14 cm wide without significant injury to alfalfa (Medicago sativa L.) seeded 1.5 cm deep midway between the two lines of herbicide. At 3 and 4 kg/ha, EPTC sometimes injured alfalfa, but only temporarily, and at 1 kg/ha, it controlled 75 to 100% of the millet in a band 11 to 12 cm wide. Where alfalfa is seeded in rows, especially for seed production, subsurface line injection of EPTC could provide effective, efficient, and economical selective control of certain annual weeds.

Type
Research Article
Information
Weed Science , Volume 26 , Issue 6 , November 1978 , pp. 637 - 639
Copyright
Copyright © 1978 by the Weed Science Society of America 

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References

Literature Cited

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