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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Hendricks, G. J.;
Mitchell, W. H.;
Williamson, D. H. |
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| Title: | Turfgrass weed control adjacent to ornamental shrubs |
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| Source: | Proceedings of the Annual Meeting of the Northeastern Weed Science Society. Vol. 37, 1983, p. 83. |
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| Publishing Information: | Ithaca, N. Y. : Northeastern Weed Science Society |
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| Keywords: | TIC Keywords: Dicamba; 2,4-D; Taraxacum officinale; 2,4-D + Dicamba
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| Abstract/Contents: | The effectiveness of dicamba for selective control of many turfgrass weed species must be balanced against its potential for injury to adjacent shrubbery. Injury from dicamba is usually associated with its rapid downward movement through the soil profile. This results in root absorption by deep rooted shrubs and trees. It had been hypothesized that if dicamba was applied sequentially, in low concentrations, there would be sufficient absorption by shallow-rooted species to accomplish weed control and that leaching, with subsequent injury to deeper rooted shrubs and trees, would be minimized. Since 1979, dicamba has been applied four times a year, in low concentrations, (0.13 and 0.26 kg a.i./ha and a mixture of dicamba and 2,4-D amine at 0.13 + 1.1 kg a.i./ha) to turfgrass adjacent to ornamental shrubs (forsythia [Forsythia x intermedia], privet [Ligustrum spp.], azalea [Rhododendron x 'stewartstonian'], rhododendron [Rhododendron x catawbiense]) in a split plot design with four replications. Plastic covers were placed over the ornamental plants, while treatments were being applied, to prevent foliar uptake due to drift. Control of white clover (Trifolium repens L.) and chickweed (Stellaria media) occurred early in the test with all herbicide treatments. Control of dandelion (Taraxacum officinale) and plantain (Plantago major L.) was achieved most rapidly by use of dicamba + 2,4-D followed in order by dicamba at the 0.26 and 0.13 kg a.i./ha rates, respectively. At the end of the 4-year test essentially complete weed control was achieved by all herbicide treatments. Forsythia was the only species that exhibited significant herbicide injury when compared with the untreated control. In all cases herbicide damage was temporary and no test plants were destroyed as a result of treatment. |
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| Language: | English |
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| References: | 0 |
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| See Also: | Other items relating to: 2, 4 - D in Turf |
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| Note: | Supplement of volume 37
This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hendricks, G. J., W. H. Mitchell, and D. H. Williamson. 1983. Turfgrass weed control adjacent to ornamental shrubs. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 37:p. 83. |
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MSU catalog number: SB 610 .N62 |
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