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Precision Placement of Herbicides for Weed Control in Seedling Alfalfa

Published online by Cambridge University Press:  12 June 2017

D. L. Linscott  and
R. D. Hagin
D. L. Linscott
Affiliation:
U. S. Dep. of Agr., Cornell University, Ithaca, New York
R. D. Hagin
Affiliation:
U. S. Dep. of Agr., Cornell University, Ithaca, New York
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Abstract

During the planting of alfalfa (Medicago sativa L.), ethyl N,N-dipropylthiocarbamate (EPTC) was applied in subsurface bands beneath the legume seed and each of three triazine herbicides or EPTC was placed in subsurface bands between the rows. Triazines used were 2-chloro-4,6-bis(ethylamino)-s-triazine (simazine), 2-chloro-4-ethylamino-6-isopropylamino-5-triazine (atrazine), and 2-isopropylamino-4-methoxyethylamino-6-methylmercapto-s-triazine (hereinafter referred to as G-36393). EPTC applied between and within the rows, as well as simazine between the rows and EPTC within the rows, gave superior weed control with little chronic effect on alfalfa. Alfalfa yields following both treatments were increased. Other treatments were unsatisfactory because of poor weed control or because of serious damage to alfalfa.

Type
Research Article
Information
Weed Science , Volume 17 , Issue 1 , January 1969 , pp. 46 - 47
Copyright
Copyright © 1969 Weed Science Society of America 

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References

Literature Cited

1. Holston, J. T. Jr. and Wooton, O. B. 1964. A promising new concept: triband application of herbicides. Agr. Chem. 19:24–25, 123–124.Google Scholar
2. Linscott, D. L. and Hagin, R. D. 1964. EPTC incorporation by band placement and standard methods in establishment of birdsfoot trefoil. Proc. NEWCC 18:302–310.Google Scholar
3. Linscott, D. L., Seandy, R. R., and Hagin, R. D. 1967. Subsurface placement of EPTC for weed control in seedling legumes. Weeds 15:259–264.CrossRefGoogle Scholar