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| Web URL(s): | http://www.newss.org/proceedings/proceedings_1996_vol50.pdf#page=116
Last checked: 07/24/2013
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): | Bhowmik, P. C.;
Prostak, R. G.;
Drohen, J. A. |
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| Author Affiliation: | Professor, Research Technician and Graduate Student of Weed Science, Department of Plant and Soil Sciences, University of Massachusetts |
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| Title: | Crabgrass control in turfgrass following fall-applied preemergence herbicides |
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| Meeting Info.: | Williamsburg, VA; January 2-5, 1996 |
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| Source: | Proceedings of the 50th Annual Meeting of the Northeastern Weed Science Society. Vol. 50, 1996, p. 116. |
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| Publishing Information: | College Park, MD: Northeastern Weed Science Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Application timing; Crabgrass control; Digitaria ischaemum; Herbicide efficacy; Herbicide evaluation; Poa pratensis; Preemergence herbicides
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| Abstract/Contents: | "Field experiments were conducted on an established Kentucky bluegrass (Poa pratensis L.) stand to evaluate the spring performance of several fall applied preemergence herbicides for the control of smooth crabgrass [Digitaria ischaemum (Schreb. ex Schweig. Schreb. ex Muhl.]. Dtihiopyr 0.09G (18-5-9) at 0.05 and 0.75 lb ai/A, trifluralin plus benefin 2G at 2.0 and 3.0 lb ai/A, pendimethalin 0.86G (20-4-4) at 3.0 and 4.9 lb ai/A, oxidiazon 2G at3.0 and 4.0 lb ai/A, prodiamine 0.22G (22-4-10) at 0.5 and 0.75 lb ai/A and bensulide 7G at6.0 and 8.0 lb ai/A were evaluated. Plots were 3.5' by 10' and treatments were arranged in a randomized complete block design with three replications. Treatments were applied on October 12, 1994 using a CO₂ backpack sprayer that delivered 50 gpa at 22 psi. Turfgrass injury was rated on a scale of 0 to 100% (0% = no injury and 100% = dead turfgrass) 4 and 5 weeks after treatment (WAT). Crabgrass was rated on a scale of 0 to 100% (0% = no control and 100% = complete control) 45 and 47 WAT. In 1994, weed control ratings were taken 33 and 40 WAT. No turfgrass injury was observed at 4 WAT (fall) and 45 WATT (spring). Dithiopyr controlled smooth crabgrass over 98% 45 and 47 WAT. Pendimethalin and prodiamine at 4.0 and 0.75 lb/A, respectively controlled smooth crabgrass over 93% 45 WAT. Trifluralin plus benefin controlled smooth crabgrass only 57 to 67% 45 WAT and less control (45 to 50%) was noted 47 WAT. Oxadiazon at the highest rate controlled smooth crabgrass 82 and 70% 45 and 47 WAT, respectively. Bensulide resulted in poor smooth crabgrass control. In our 1994 trial, similar control of large crabgrass with various fall-applied (October, 1993) treatments was noted. Dithiopyr at 0.5 and 0.75 lb/A, pendimethalin at 4.0 lb/A and promiamine at 0.75 lb/A controlled smooth crabgrass over 90%. Our results demonstrate the potential use of fall-applied preemergence herbicides for effective crabgrass control in the spring. This type fall-applied treatments would serve as an alternative strategy for annual grass weed control in golf courses, home lawns, and other settings." |
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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):
Bhowmik, P. C., R. G. Prostak, and J. A. Drohen. 1996. Crabgrass control in turfgrass following fall-applied preemergence herbicides. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 50:p. 116. |
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| Web URL(s):
http://www.newss.org/proceedings/proceedings_1996_vol50.pdf#page=116
Last checked: 07/24/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: SB 610 .N62 v. 50 |
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