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Publication Type:
| Refereed |
Author(s): | Dernoeden, P. H.;
Turner, T. R. |
Title: | Annual Bluegrass Control and Tolerance of Kentucky Bluegrass and Perennial Ryegrass to Ethofumesate |
Source: | HortScience. Vol. 23, No. 3, June 1988, p. 565-567. |
Publishing Information: | St. Joseph, MI : American Society for Horticultural Science |
Keywords: | TIC Keywords: Poa annua; Poa pratensis; Lolium perenne; Ethofumesate; herbicide injury; weed control; Herbicide rates; Poa annua control
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Abstract/Contents: | "Various rates of ethofumesate were evaluated for annual bluegrass (Poa annua L.) control in a perennial ryegrass (Lolium perenne L.)fairway. The tolerance of 'Merion', 'Mystic', and a blend of Kentucky bluegrasses (Poa pratensis L.) to ethofumesate also was assessed. Ethofumesate at 0.84, 1.1, and 0.84 + 0.84 kg-ha-1 provided poor annual bluegrass control; 2.2 and 1.1 + 1.1 kg-ha-1 provided good control; and 2.2 + 1.1 and 2.2 + 2.2 kg-ha-1 provided excellent control. Overall quality of Kentucky bluegrass was only slightly reduced by ethofumesate at 1.1 or 2.2 kg-ha-1; however, split applications at 2.2 + 1.1 and 2.2 + 2.2 kg-ha-1 severely reduced bluegrass cover and overall quality for 7 months. Foliar growth of sequentially treated Kentucky bluegrass appeared suppressed throughout fall and winter. Between January and April, Kentucky bluegrass plots treated with split applications of 2.2 + 1.1 or 2.2 + 2.2 kg-ha-1 had a dark-green color. No visual injury was observed in perennial ryegrass. Ethofumesate applied at 2.2 or 1.1 + 1.1 kg-ha-1 provided the best combination of safety to Kentucky bluegrass and control of annual bluegrass." |
Language: | English |
References: | 7 |
See Also: | Other items relating to: POA |
Note: | Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Dernoeden, P. H., and T. R. Turner. 1988. Annual Bluegrass Control and Tolerance of Kentucky Bluegrass and Perennial Ryegrass to Ethofumesate. HortScience. 23(3):p. 565-567. |
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