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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/70/1/AJ0700010143
Last checked: 12/08/2016
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| Publication Type:
| Refereed |
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| Author(s): | Johnson, B. J. |
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| Author Affiliation: | Associate Professor Agronomy, Agronomy Department, University of Georgia, College of Agriculture Experiment Station, Georgia Station, Experiment, Georgia |
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| Title: | Effect of Vel 4207 and Dicamba on bermudagrass and broadleaf weeds |
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| Source: | Agronomy Journal. Vol. 70, No. 1, January/February 1978, p. 143-145. |
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| Publishing Information: | Madison, WI: American Society of Agronomy |
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| # of Pages: | 3 |
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| Keywords: | TIC Keywords: Weed control; Cynodon dactylon; Stellaria media; Lamium amplexicaule; Dicamba; Soliva sessilis; Veronica arvensis; Resistance; Quality; Comparisons; Leaching; Broadleaf weeds
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| Cultivar Names: | Tifway; Tifgreen; Tifdwarf; Ormond; Floraturf |
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| Abstract/Contents: | "Controlling weeds in turfgrasses without injuring the turf and surrounding plants in turf areas is a major concern. Dicamba (3,6-dichloro-o-anisic acid) has been widely used for broadleaf weed control in turfgrass. Since dicamba leaches through the soil it is likely to cause chemical damage to other than turf plants in the area. These field studies were initiated to determine if Vel 4207 [N-phenyldiethanolamine bis (2-methoxy-3, 6-dichlorobenzoate)] which leaches less in the the soil than dicamba would give comparable weed control and without serious injury to turf. The soil types were Cecil sandy loam (Typic Hapludult), Pacolet sandy loam (Typic Hapludult), Gwinnett sandy clay loam (Typic Rhodudult), Durham sandy clay loam (Typic Hapludult) and David sandy clay loam (Rhodic Paleudult) in the weed experiments and appling sandy clay loam (Typic Hapludult) in the turfgrass tolerance experiment. Dicamba and Vel 4207 at 1.1 and 2.2 kg/ha were applied as single and repeated treatments for comparison of weed control in dormant bermudagrass [Cynodon dactylon (L.) Pers.] and to determine the effects of these chemicals on quality of five actively growing bermuda- grass cultivars. There was no difference in control of common chickweed [Stellaria media (L.) Cyrillo] with either Vel 4207 or dicamba. Two applications of Vel 4207 at 1.1 kg/ha were required for satisfactory control of spur weed (Soliva sessilis P. & K.) and henbit (Lamium amplexicaule.) while similar control was obtained with a single dicamba treatment. One application of dicamba at 2.2 kg/ha controlled a higher percentage of corn speedwell (Veronica arvensis L.) than Vel 4207 applied at the same rate. However, the control was equal when each was applied in two applications at 2.2 kg/ha. Vel 4207 did not control parsley-piert (Alchemilla microcarpa Boissier Reuter) satisfactorily while two applications of dicamba at 2.2 kg/ha resulted in acceptable control. When Vel 4207 was applied to actively growing bermudagrasses, the turf tolerance varied with cultivars. It was just as safe as dicamba treatments, however, and there was no difference in quality of turf in treated or untreated plots by 7 weeks after treatment. These results suggest that Vel 4207 can possibly be substituted for dicamba for the control of selected winter annuals." |
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| Language: | English |
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| References: | 6 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Johnson, B. J. 1978. Effect of Vel 4207 and Dicamba on bermudagrass and broadleaf weeds. Agron. J. 70(1):p. 143-145. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/pdfs/70/1/AJ0700010143
Last checked: 12/08/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 22 .A45 |
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