Full TGIF Record # 13958
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Web URL(s):http://www.newss.org/proceedings/proceedings_1988_vol42.pdf#page=201
    Last checked: 07/25/2013
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Wallace, Russell W.; Warholic, Donald T.; Bellinder, Robin R.
Author Affiliation:Cornell University
Title:Evaluation of Quackgrass Control with Selective Postemergence Herbicides in Peas.
Source:Proceedings of the 42nd Annual Meeting of the Northeastern Weed Science Society. Vol. 42, 1988, p. 201.
Publishing Information:Ithaca, N. Y. : Northeastern Weed Science Society
# of Pages:1
Keywords:TIC Keywords: Elymus repens; Herbicides
Abstract/Contents:"Preplow treatments of glyphosate (1.12, 2.24 and 3.36 kg ai ha-1) and postemergence single and split applications of BASF 517 (0.34, 0.22 + 0.11 kg ai ha-1), fluazifop-p-butyl (0.21, 0.21 + 0.21 kg ai ha-1) and quizalofop (0.21, 0.21 + 0.21 kg ai ha-1) were evaluated for control of rhizome quackgrass (Agropyron repens L. Beauv.) in English peas (Pisum sativa L. 'Bolero'). All postemergence treatments with the exception of glyphosate, were applied using 8003 flat fan nozzles delivering 176 L ha-1. Glyphosate at 1.1 kg was applied at three volumes: 93, 186, and 280 L ha-1 using 8001, 8002 and 8003 flat fan nozzles, respectively. The 2.2 and 3.4 kg rates of glyphosate were applied with 8003 flat fan nozzles at a volume of 280 L ha-1. Glyphosate treatments were applied 10 days prior to plowing on May 13 when the quackgrass had 4 leaves (38 cm). Single and first split applications were applied on June 24 when reemergent quackgrass shoots had 3 leaves (18 cm). The second of the split applications were applied on July 8. Preplow treatments of glyphosate resulted in good control of quackgrass. No significant differences in weed control were observed for any herbicide treatment at 14 days after application. However, weed control observed 28 days after initial application showed that cloproxydim, fluazifop-p-butyl and BASF 517 required two applications to adequately suppress quackgrass regrowth, while quizalofop required one. Sethoxydim single and split application treatments failed to adequately control subsequent regrowth. Pea yields were highest with the use of glyphosate at 3.36 kg ai ha-1. Yields were significantly lower in both fluazifop-p-butyl treatments, BASF 517 at 0.34 kg ai ha-1, and all treatments of cloproxydim, with the exception of the 0.14 kg ai ha-1 rate. Yield reduction in cloproxydim treatments was due to excessive crop injury. No injury symptoms were observed in any other treatment."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wallace, R. W., D. T. Warholic, and R. R. Bellinder. 1988. Evaluation of Quackgrass Control with Selective Postemergence Herbicides in Peas.. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 42:p. 201.
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Web URL(s):
http://www.newss.org/proceedings/proceedings_1988_vol42.pdf#page=201
    Last checked: 07/25/2013
    Requires: PDF Reader
    Notes: Item is within a single large file
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