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| Web URL(s): | https://academic.oup.com/jee/article/76/2/251/2213785/Sequential-Sampling-Plans-for-Larval-Populations
Last checked: 02/17/2017
Access conditions: Item is within a limited-access website
Notes: Guide page |
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| Publication Type:
| Refereed |
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| Author(s): | Ng, Yuen-Shaung;
Trout, J. Richard;
Ahmad, Sami |
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| Author Affiliation: | Ng and Ahmad: Dept. of Entomology and Economic Zoology; Trout: Dept. of Statistics, New Jersey Agricultural Experiment Station, Cook College, Rutgers University, New Brunswick, New Jersey |
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| Title: | Sequential sampling plans for larval populations of the Japanese beetle (Coleoptera: Scarabaeidae) in turfgrass |
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| Source: | Journal of Economic Entomology. Vol. 76, No. 2, April 1983, p. 251-253. |
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| Publishing Information: | Concord, N. H.: Entomological Society of America |
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| # of Pages: | 3 |
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| Keywords: | TIC Keywords: Coleoptera; Popillia japonica
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| Abstract/Contents: | "Sequential sampling plans for arriving at a decision concerning control measures for 2nd-instar populations of Popillia japonica Newman are described. The plans were developed based on common Ks from negative binomial distribution, a currently recommended economic threshold level that calls for control measures when the average count of the 2nd instar is ≥3, and no control when the count is ≤ 1 per 0.09 m2, and with two risk levels, 5 and 10%. The sequential sampling plans are arranged in tabular form to facilitate their use. Additionally, the average sampling number and operating characteristic curves are obtained and found to show negligible differences in the number of samples required when the risk is reduced from 10 to 5%." |
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| Language: | English |
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| References: | 6 |
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| See Also: | Other items relating to: GRUBS |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ng, Y. S., J. R. Trout, and S. Ahmad. 1983. Sequential sampling plans for larval populations of the Japanese beetle (Coleoptera: Scarabaeidae) in turfgrass. J. Econ. Entomol. 76(2):p. 251-253. |
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| Web URL(s):
https://academic.oup.com/jee/article/76/2/251/2213785/Sequential-Sampling-Plans-for-Larval-Populations
Last checked: 02/17/2017
Access conditions: Item is within a limited-access website
Notes: Guide page |
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MSU catalog number: SB 931 .A1 J6 |
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