Full TGIF Record # 976
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Web URL(s):http://www.newss.org/proceedings/proceedings_1970_vol24.pdf#page=375
    Last checked: 07/29/2-13
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Publication Type:
i
Report
Author(s):Engel, R. E.; Ilnicki, R. D.
Author Affiliation:Department of Soils and Crops, Rutgers University, New Brunswick, New Jersey
Title:Preemergence crabgrass control in Merion Kentucky bluegrass turf with RP 17623 and other herbicides
Source:Proceedings of the Annual Meeting of the Northeastern Weed Science Society. Vol. 24, 1970, p. 375-378.
Publishing Information:Ithaca, N. Y. : Northeastern Weed Science Society
Keywords:TIC Keywords: Dicamba; Poa pratensis; Mecoprop
Abstract/Contents:The experimental herbicide RP 17623 [2-tert-butyl-4-(2,4- dichloro-5-isopropyloxyphenyl)-5-oxo-1,3,4-oxadiazoline] was applied to mixed lawn turf in 1968 and 1969 with several of the current preemergence herbicides to determine its comparative efficiency for crabgrass control. The 1968 test was applied on a turf of Merion Kentucky bluegrass. Three tests were conducted in 1969. Test 1 was applied on mixed turf that contained largely Kentucky bluegrass with some red fescue and bentgrass. Both of these test sites had some crabgrass previously and for insurance of stand the sites had been overseeded with crabgrass seed. Mowing below 1 1/2 in was used intermittently to encourage development of crabgrass. In 1968, treatments were applied on June 3; in 1969 they were applied on April 4, April 28, and May 13. Plots were 3 x 20 ft and all treatments were replicated three times in a randomized block design. All dry materials were applied with a 3 ft drop-spreader and spray treatments were applied with a two-nozzle boom at 40 psi and 40 GPA. Ratings of crabgrass control were made by three independent estimates in August and September for each of the primary tests. Tests 2 and 3 of 1969 were on sparse cool-season turf. RP 17623 was applied alone and with 2-(4-chloro-o- tolyl)oxy propionic acid (mecoprop) and 3,6-dichloro-o-anis- ic acid (dicamba) in these respective 1969 tests. The former test had no visible germination of knotweed and the latter had considerable knotweed germinating at the time of herbicide application. These were rated for crabgrass and knotweed control on August 14, 1969.
Language:English
References:Unknown
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Engel, R. E., and R. D. Ilnicki. 1970. Preemergence crabgrass control in Merion Kentucky bluegrass turf with RP 17623 and other herbicides. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 24:p. 375-378.
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Web URL(s):
http://www.newss.org/proceedings/proceedings_1970_vol24.pdf#page=375
    Last checked: 07/29/2-13
    Requires: PDF Reader
    Notes: Item is within a single large file
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