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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Smitley, D. R.;
Davis, T. W.;
Kearns, K. A.;
Stevens, C. A. |
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| Author Affiliation: | Department of Entomology, Michigan State University |
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| Title: | European chafer larvae control, Belmont, Mich., 1990 |
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| Source: | Insecticide and Acaricide Tests. Vol. 16, 1991, p. 263. |
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| Publishing Information: | Lanham, MD: Entomological Society of America |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Poa pratensis; Rhizotrogus majalis; Insect control; Insecticides; Nematoda
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| Geographic Terms: | Michigan |
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| Abstract/Contents: | "Curative treatments: A grid of 3 X 3 ft plots separated by 2 ft wide buffer strips was established at Blythefield Country Club. Six replications of 11 treatments were applied on 20 Aug between 9:00 and 11:00 AM. Temperature at application was approximately 70 F with a slight rainfall (0.21 inches) about 9:30 AM followed by sunny weather conditions. The plots were established on an irrigated rough with sandy soil. Irrigation was applied approximately every other day depending on rainfall. Insect parasitic nematodes were applied while the grass was wet with dew and then hand irrigated with (0.25 inch) of water applied through a watering can immediately after application. Liquid products were applied with a single nozzle hand held wand CO2 sprayer from R&D Sprayers. The application was made at 50 psi through an 8003 nozzle. Insecticides were mixed with water applied at a rate of 137 ml/9 ft2 (175 gal/acre). Granular insecticides were applied with modified "salt" shakers. Evaluations were made on 17 Sep by removing 294 sq.inch (six 7 inch x 7 inch squares) sections of turf, roots, and soil/plot and counting larvae. Preventive treatments: A grid of 4 x 4 ft plots separated by 1 ft wide buffer strips was established in irrigated rough at Blythefield Country Club. Six replications of 4 insecticide treatments were applied on 11 Jun. Granular insecticides were applied the same as described above. Evaluations were made on 17 Sep using the same method described above. The preventive and curative plots were on different fairways. NTN 33893 and MAT 7484 applied in June were effective in reducing European chafer grubs found in Sep. However, MAT 7484 was not as effective when applied on 20 Aug and evaluated on 17 Sep. None of the curative treatments applied on 20 Aug significantly reduced grub populations. Of the curative treatments, B-980 nematodes and MAT 7484 provided the best grub population reduction (54% and 58% reduction, respectively). |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract, with table, only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Smitley, D. R., T. W. Davis, K. A. Kearns, and C. A. Stevens. 1991. European chafer larvae control, Belmont, Mich., 1990. Arthropod Manage. Tests. 16:p. 263. |
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MSU catalog number: SB 951 .A1 I48 |
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