by Market Quality Research Division, Agricultural Marketing Service, U.S. Dept. of Agriculture in Washington, D.C .
Written in English
|Other titles||Effects of high frequency electric fields on certain species of stored-grain insects.|
|Statement||[by W.K. Whitney, S.D. Nelson, and H.H. Walkden]|
|Series||Marketing research report -- no. 455|
|Contributions||Nelson, Stuart D., Walkden, H. H. (Herbert Halden), b. 1893|
|The Physical Object|
|Pagination||iii, 52 p. :|
|Number of Pages||52|
The coaxial type irradiation chamber W, the electric fields result in E 0 =×10 5 V/m This chamber (Fig. 1) was made from standard and E =×10 5 V/m, etc. copper coaxial mm/70 mm feeder. Insects are continually exposed to Radio-Frequency (RF) electromagnetic fields at different frequencies. The range of frequencies used for wireless telecommunication systems will Cited by: 7. Physiologic injuries in stored-grain insects following exposure to RF electric fields were noted in the appendages, particularly in the joints of the legs (Whitney et al., ). Heat injury to the histoblasts was suspected in RF-treated larvae of the yellow mealworm that developed into adults with badly deformed or missing legs (Kadoum et al. brackets corresponds to the species number in this book. Pest type Insects infesting stored grain feed and live in a number of ways, including: Commodity feeders These feed directly on commodities and can be conve-niently divided into primary pests, those that attack intact commodities, and secondary pests, which require the 2 Insects
Several species of insect were exposed, in wheat or wheat shorts, to electric fields at frequencies of about 10 and 39 megacycles/sec and intensities of to kV/in. Adult rice weevils (Sitophilus oryzae) were killed more quickly ( sec) at the higher field intensities but larvae were killed equally well over the range used. Confused flour beetles (Tribolium confusuni) were killed more. () Effects of high-frequency electric fields on certain species of stored grain insects. U.S. Dept. Agric. Mktg. Res. Rept. No. , 52 pp. Recommended articles Citing articles (0). Given that static electric fields from power lines can have deleterious effects on some insect populations (e.g. bees) (Bindokas et al., ) under certain environmental conditions, it is pertinent to determine how static electric fields affect insect locomotion, and also to consider the possibility of using electric fields as barriers to insect. Webber HH, Wagner RP, Pearson AG. High frequency electric fields as lethal agents for insects. J Econ Entomol. ; – Xiong SB, Liu QY, Cheng XX, Zhao SM. Effect of microwave on rice mould growth properties. In: Wang B, Huang Q, Li Q, Chen Y, Mei F, Wei Q, Zhuo J, editors. Proceedings of CIGR international conference.
Agricultural stored products are attacked by more than field insects, including species of beetles, 70 species of moths and about species of mites causing quantitative and. 5G Frequencies are Highly Absorbed into Insects- Especially Bees “ Exposure of Insects to Radio-Frequency Electromagnetic Fields from 2 to GHz ” published in Scientific Reports is the first study to investigate how insects (including the Western honeybee) absorb the higher frequencies (2 GHz to GHz) to be used in the 4G/5G rollout. Stored Grain Insect Reference September Page 2 Abstract Five primary pests cause most of the insect damage to grain in storage and shipment. These are the granary weevil, the rice weevil, the maize weevil, the lessor grain borer or Australian wheat weevil, and the Angoumois grain moth. Other insect species or groups of species described in. Effect of high-frequency radiations on survival of the honeybee (Apis mellifera L.). high-strength electric fields with harmful insects. () Ponomaryova IA et al. J Microw Power Electromagn Energy. ;43(4) Effects of electromagnetic fields on marine species: A literature review. () Oregon Wave Energy Trust.