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| Web URL(s): | http://www.newss.org/proceedings/proceedings_1984_vol38.pdf#page=298
Last checked: 07/29/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Dernoeden, Peter H.;
Fry, Jack D. |
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| Title: | Sensitivity of bermudagrass and zoysiagrass to HOE-A2501 and preemergence herbicides |
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| Source: | Proceedings of the Annual Meeting of the Northeastern Weed Science Society. Vol. 38, 1984, p. 303-304. |
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| Publishing Information: | Ithaca, N. Y. : Northeastern Weed Science Society |
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| Keywords: | TIC Keywords: Herbicide combinations
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| Abstract/Contents: | HOE-A2501 (synonym HOE-581) is a promising, experimental herbicide for postemergence control of crabgrass (Digitaria spp.) in turf. Information is needed to determine if HOE-A2501 is safe to apply to cultivars of bermudagrass and zoysiagrass that are commonly grown in Maryland. Also evaluated were several preemergence herbicides, HOE-581, and HOE-A2501 tank mix combinations. Sprayable herbicides were applied in 468 L/ha, and granular materials were applied with a shaker bottle. Herbicides were applied on June 2, 1983 to a 1 year old stand of 'Midiron' bermudagrass, July 6, 1983 to a 15 year old stand of 'Tufcote' bermudagrass, and July 6, 1983 to a 6 year old stand of 'Meyer' zoysiagrass. Plot size was 1.5 by 1.5 m and the statistical design was a randomized complete block with three replications. Discoloration and percent reduction in stand density were visually determined. Benefin 2.5 G and 20 DG, bensulide, DCPA and oxadiazon 2 G had no injurious effects on 'Midiron' bermudagrass (Table 1). Oxadiazon 20 DG and HOE-A2501 alone or tank mixed with bensulide or DCPA discolored 'Midiron', however, 20 days after application discoloration had dissipated. Older leaves of plants treated with HOE-A2501 plus bensulide developed a purplish color; whereas, HOE-A2501 alone or tank mixed with DCPA gave turf a yellowish color. Siduron discolored turf significantly, but not to an unacceptable level. Siduron-treated turf developed a purplish or blue-green color. HOE-A2501 tank mixed with bensulide caused a significant reduction in Midiron density within a week of application. Data collected June 22, however, revealed the HOE-A2501 alone or tank mixed with bensulide or DCPA caused a significant reduction in density. Turf in plots treated with HOE-A2501 tank mixtures continued to exhibit reduced density on July 8. By Sept. 22 all treated plots possessed similar density ratings. 'Tufcote' bermudagrass treated with HOE-A2501 and HOE-581 developed an objectionable yellow-brown color within one week of application (data not presented). The discoloration persisted until mid-August, but no thinning of the stand was observed. No discoloration or thinning was observed where the same herbicides treatments had been applied to 'Meyer' zoysiagrass. |
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| Language: | English |
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| References: | Unknown |
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| Note: | Tables
This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Dernoeden, P. H., and J. D. Fry. 1984. Sensitivity of bermudagrass and zoysiagrass to HOE-A2501 and preemergence herbicides. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 38:p. 303-304. |
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| Web URL(s):
http://www.newss.org/proceedings/proceedings_1984_vol38.pdf#page=298
Last checked: 07/29/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: SB 610 .N62 |
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