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| Publication Type:
| Report |
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| Author(s): | Wick, R. L.;
Nissenbaum, T. |
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| Author Affiliation: | Department of Microbiology, Morrill Science Center N203, University of Massachusetts, Amherst, MA |
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| Title: | Evaluation of two consecutive seasons of Neo-Trol® for managing nematodes in turf, 1998 |
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| Section: | Turfgrasses
Other records with the "Turfgrasses" Section
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| Source: | Biological and Cultural Tests for Control of Plant Diseases. 1999, p. 136. |
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| Publishing Information: | St. Paul, MN: The American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Agrostis stolonifera; Poa annua; Nematode control; Golf greens; Fenamiphos; Nematicides; Comparisons; Application rates
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| Abstract/Contents: | "A putting green in Barnstable, Massachusetts was chosen for this study because of a moderately high population of Criconemella, Hoplolaimus, and Tylenchlorchus nematodes. The turf was a mixture of annual bluegrass and creeping bentgrass. Mechanical analysis of the top 4 in. showed it to be 89% sand, 8% silt, and 3% clay. USDA criteria classify this soil as a sand. Twenty five plots, 6 ft x 6 ft provided five replications for 5 treatments. Neo-Trol was applied by sprinkling the dry material on the plots. In 1997, Neo-Trol treatments were: a single label rate of 5.27 lb/1000 ft² on 2 May; five successive label rate applications on 2 May, 18 Jun, 25 Jul, 28 Aug, and 2 Oct; and double rate applications following aerification on 2 May and 19 Aug. In 1998, Neo-Trol treatments and rates were the same as 1997, and made to the same plots. Applications were made on the following dates: a single application on 28 Apr, five successive applications on 28 Apr, 2 Jun, 6 Jul, 12 Aug and 20 Sept. In 1998, only one double rate following aerification was made (2 Jun). Neo-Trol consists of 100% ground sesame plant, Sesamum indicum (Parkway Research Corp, 13802 Chrisman Rd, Houston, TX 77309). The conventional treatment was Nemacur at 2.3 lb/1000 ft² applied 2 May 1997 and 2 Jun 1998. Five plots served as untreated controls. All plots received approximately 0.5 in. water following Nemacur applications. Neo-Trol treatments applied on other dates received a light irrigation. For nematode assays, ten subsamples per plot were collected with a 1 in. soil sampling tube to a depth of 4 in. and bulked. Nematodes were recovered by wet sieving/sugar flotation and identified to genus. The data were subjected to analysis of variance and a test of LSD. Plots were evaluated for color and thinning during each collection date. There were no differences in turf color or thinning among the treatments. Plots receiving the single annual applications of Neo-Trol and the 2X rate in aerification holes, had significantly lower populations of Criconomella by 6 Jul. Similarly, the multiple application plots showed a trend for lower populations. Nemacur also significantly reduced Criconomella. All treatments showed a significant reduction in Criconomella populations by 13 Aug but by 20 Sep there were no significant differences. Tylenchlorhynchus populations were significantly reduced by Nemacur by 6 Jul; ; by 13 Aug, all treatments significantly reduced Tylenchlorhynchus. There were no significant treatment effects on Hoplolaimus populations." |
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| Language: | English |
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| References: | 0 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wick, R. L., and T. Nissenbaum. 1999. Evaluation of two consecutive seasons of Neo-Trol® for managing nematodes in turf, 1998. Biol. Cult. Tests Control Plant Dis. p. 136. |
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