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Control of Little Barley in Coastal Bermudagrass with Atrazine and Paraquat

W. B. Albert
Weeds
Vol. 13, No. 4 (Oct., 1965), pp. 375-376
DOI: 10.2307/4040903
Stable URL: http://www.jstor.org/stable/4040903
Page Count: 2
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Abstract

Treatment of little barley (Hordeum pusillum Nutt.) at early-tillering stages with 0.25 to 0.5 lb/A of 1,1′-dimethyl-4,4′-dipyridylium cation paraquat, surfactant gave satisfactory to complete control of little barley and other annual weed species. Except under unfavorable seasonal conditions, atrazine (2-chloro-4-ethylamino-6-isopropylamino-s-triazine) also gave good control of little barley but was ineffective against other established weed species. Coastal bermudagrass [Cynodon dactylon (L) Pers.] was not injured by atrazine and only temporarily by paraquat.

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