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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Chandran, R. S.;
Derr, J. F. |
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| Author Affiliation: | Department of Plant Pathology, Physiology, and Weed Science, Blacksburg, VA |
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| Title: | Effect of Application timing on isoxaben dissipation |
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| Meeting Info.: | 51st Annual Meeting, Birmingham, AL, January 26-28, 1998 |
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| Source: | Southern Weed Science Society Proceedings. Vol. 51, 1998, p. 69. |
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| Publishing Information: | Champaign, IL: Southern Weed Science Society. |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Application timing; Isoxaben; Application rates; Weed control; Residual effects; Barbarea vulgaris; Plantago lanceolata; Euphorbia maculata; Persistence
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| Abstract/Contents: | "A soil bioassay experiment was conducted in Blacksburg, Virginia to determine the effect of isoxaben application timings and rates on duration of weed control. Flats containing soil were imbedded into the field. Isoxaben was applied in spring, fall, and spring followed by fall (double application) at 0.56, 0.84, and 1.12 kg ai/ha. Flats were moved to a greenhouse at 0, 1, 3, 6, and 9 months after treatment (MAT) and seeded with yellow rocket, buckhorn plantain, and spotted spurge for the bioassays. Weed counts from treated flats were compared to those in untreated flats to determine percent control. Fall and spring followed by fall applications gave approximately 20% greater control of yellow rocket at 3 MAT and 30% greater control at 6 MAT, compared to a single spring application. Compared to a spring application, fall- and spring plus fall-applied isoxaben at 3 MAT gave about 15 and 20% greater buckhorn plantain control, respectively, and no improvement in spotted spurge control for any evaluation timing. Greater than 70% yellow rocket control was achieved with all isoxaben rates six months following fall treatment. The medium and high rate of isoxaben gave 70% control of buckhorn plantain for the first three months following fall application. Similar control of yellow rocket and buckhorn plantain was seen at the three isoxaben rates. Isoxaben persists longer in soil following fall application compared to spring treatment, perhaps due to the lower soil temperatures that occur in winter. Multiple applications may result in increased soil residual." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Chandran, R. S., and J. F. Derr. 1998. Effect of Application timing on isoxaben dissipation. South. Weed Sci. Soc. Proc. 51:p. 69. |
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MSU catalog number: SB 611 .S6 v.51 |
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