Full TGIF Record # 42304
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Publication Type:
i
Report
Author(s):Swier, Stanley R.
Author Affiliation:Plant Biology Department, Nesmith Hall, University of New Hampshire
Title:Control of annual bluegrass weevil with entomophagous nematodes, 1994
Section:Ornamentals
Other records with the "Ornamentals" Section
Source:Arthropod Management Tests. Vol. 21, 1996, p. 343-344.
Publishing Information:Annapolis, MD: Entomological Society of America
# of Pages:2
Abstract/Contents:"A large plot efficacy trial was conducted at Rutland Country Club, Rutland VT on a golf course fairway. Plot size was 14 x 75 ft, arrayed in an RCB design, replicated 4 times. Treatments were applied 8 June at 0800 with an FMC hydraulic sprayer using 8004 nozzles delivering 3.6 gal. water/1000 ft². Within 30 minutes of application, 0.2 inch irrigation water was applied to the plots. Plots were 60% annual bluegrass and 40% bentgrass. Larvae were predominantly third instar. Plots were rated at 7 and 14 DAT. Five cup cutter plugs were then taken per plot and analyzed in the lab. The number of live larvae were recorded. Conditions at the time of treatment were: air temperature 64.4°F; wind, 2 MPH; sky, clear; soil temperature, 1 inch -66°F; thatch depth, 0.25 inch soil pH, 5.2; slope, 3%; soil texture, loam: 48% sand, 42% silt, 10% clay; soil organic matter, 7.5%; soil moisture, 21.3%; post-treatment precipitation, 0.2 inch every other day. The two weeks post-treatment were very hot. Despite irrigation, ground temperature extremes were higher than normal (90°F+). The Dursban treatment showed no damage. The high rate of Biosis #25 performed visually poorer than the Dursban but was deemed "acceptable" by the superintendent 14 DAT. The low rate of Biosis #25 did not perform statistically different from the high rate, but plots were more severely damaged, therefore "unacceptable". Hot weather apparently affected the performance of the nematodes."
Language:English
References:0
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Swier, S. R. 1996. Control of annual bluegrass weevil with entomophagous nematodes, 1994. Arthropod Manage. Tests. 21:p. 343-344.
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