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| Publication Type:
| Report |
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| Author(s): | Weaver, Joseph E.;
Farren, James C. |
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| Author Affiliation: | Weaver: Division of Plant and Soil Sciences, Entomology, West Virginia University Farren: Clarksburg Country Club, Clarksburg, WV |
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| Title: | Control of Japanese beetle larvae on golf course fairway, WV, 1995 |
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| Section: | Ornamentals
Other records with the "Ornamentals" Section
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| Source: | Arthropod Management Tests. Vol. 21, 1996, p. 353. |
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| Publishing Information: | Annapolis, MD: Entomological Society of America |
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| # of Pages: | 1 |
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| Abstract/Contents: | "Treatments were applied 27 Jul to plots 8 x 8 ft arranged in a RCBD, replicated 4 times. Granular materials were applied with a shaker jar. Liquid treatments were applied in 1 liter of water per plot with a sprinkling can. The plot area was irrigated after the last treatment had been applied with about 1/4 inch water using the golf course system. Water pH to apply was 6.85; to irrigate, about 8.0. Environmental conditions at start (8:30 am) and finish (9:35 am) of treatment applications were, respectively: air temperature, 23°C and 31.5°C; RH, 84% and 60%; overcast (fog) and clear (calm); soil temperatures (surface) 26°C and 32°C, (1 inch) 25.5°C and 29.5°C; soil moist from regular irrigation; soil type, loam; soil particle analysis, 40.7% sand, 46.6% silt, 12.7% clay; organic matter, 11.7%, pH 5.35; CEC, 23.81 meg/100 g; 1/3 bar, 31.29%. Thatch thickness ranged from 0.24 to 0.38 inches for 28 samples over plot area. Grub population was 100% Japanese beetle (pre- and post-treatment); avg no. grubs at treatment was 34.5/ft² (59.4% mid to late 1^D]st instar, 40.6% early 2ⁿd instar). EEfficacy was evaluated at 53 DAT using a cup changer to extract 4 plugs near the center of each plot to a depth of 2-3 inches and counting live larvae in each sample. The no. larvae for the 4 plugs from each plot was averaged to produce a mean for each replicate for statistical analysis. The IGR, RH-0345, at all rated and formulations provided mostly 100% control. No phytotoxicity was observed in any treatments." |
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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):
Weaver, J. E., and J. C. Farren. 1996. Control of Japanese beetle larvae on golf course fairway, WV, 1995. Arthropod Manage. Tests. 21:p. 353. |
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