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| Web URL(s): | http://www.jstor.org/stable/4041888
Last checked: 05/07/2014
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http://www.jstor.org/stable/pdfplus/4041888.pdf
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| Publication Type:
| Refereed |
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| Author(s): | Ryan, G. F. |
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| Author Affiliation: | Associate Horticulturist, Washington State University and Western Washington Research and Extension Center, Puyallup |
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| Title: | Resistance of common groundsel to simazine and atrazine |
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| Source: | Weed Science. Vol. 18, No. 5, September 1970, p. 614-616. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America |
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| # of Pages: | 3 |
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| Related Web URL: | http://www.jstor.org/stable/info/4041888
Last checked: 05/07/2014
Notes: Abstract only |
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| Keywords: | TIC Keywords: Senecio vulgaris; Atrazine; Simazine
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| Abstract/Contents: | "Failure to control common groundsel (Senecio vulgaris L.) was observed in 1968 in a nursery where 2-chloro-4,6-bis (ethylamino)-s-triazine (simazine) or 2-chloro-4- (ethylamino)-6-(isopropylamino)-s-triazine (atrazine) had been used once or twice annually since 1958. Seedlings from seed collected at that location were not controlled by preemergence applications of simazine or atrazine at rates up to 17.92 kg/ha. Seedlings from a seed source where triazine herbicides had not been in continuous use were completely controlled by 1.12 or 2.24 kg/ha of either chemical, and partially controlled by 0.28 to 0.56 kg/ha. Postemergence applications of atrazine at 1.12, 2.24, or 4.48 kg/ha did not affect common groundsel from the nursery source, but killed small seedlings from the other source. Preemergence applications of four other herbicides were equally effective against seedlings from both sources." |
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| Language: | English |
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| References: | 17 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ryan, G. F. 1970. Resistance of common groundsel to simazine and atrazine. Weed Sci. 18(5):p. 614-616. |
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| Web URL(s):
http://www.jstor.org/stable/4041888
Last checked: 05/07/2014
Access conditions: Item is within a limited-access website
http://www.jstor.org/stable/pdfplus/4041888.pdf
Last checked: 05/07/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: SB 610 .W38 |
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