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Efficacy of diatomaceous earth to control Rhyzopertha dominica (F.) (Coleoptera: Bostrichidae) in rough rice: Impacts of temperature and relative humidity☆
| Content Provider | Semantic Scholar |
|---|---|
| Author | Chanbang, Yaowaluk Arthur, Frank H. Wilde, Gerald E. Throne, James E. |
| Copyright Year | 2007 |
| Abstract | Abstract Laboratory trials were conducted to determine the effectiveness of diatomaceous earth (DE) against Rhyzopertha dominica (F.), the lesser grain borer, on stored rough rice. Two DE commercial products, Insecto™ and Protect-It ® , were applied at their respective label rates of 500 and 400 ppm to long grain rice by hand-mixing the DE with the rice. R. dominica were exposed for varying time intervals, mortality was assessed, and rice was held at different temperatures and relative humidities (r.h.) for 8 weeks until F 1 adult emergence. There was a significant difference in mortality between the DE treatments and untreated controls ( P P ⩾0.05). Mortality increased as exposure interval increased, and ranged from 15.8% to 69.2%, depending on the exposure interval. Although the general ANOVA showed a significant difference for temperature and r.h., when mortality and r.h. were compared only 5 out of 30 comparisons were significant ( P P R. dominica on rough rice, and combination treatments with another insecticide may be necessary to give complete control. |
| Starting Page | 923 |
| Ending Page | 929 |
| Page Count | 7 |
| File Format | PDF HTM / HTML |
| DOI | 10.1016/j.cropro.2006.08.009 |
| Alternate Webpage(s) | https://naldc.nal.usda.gov/download/12503/PDF |
| Alternate Webpage(s) | https://doi.org/10.1016/j.cropro.2006.08.009 |
| Volume Number | 26 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
