Effect of a near-zero magnetic field on development and flight of oriental armyworm (Mythimna separata)
The geomagnetic field affects all living organisms on the Earth. In this study we investigated the developmental and behavioral effects of rearing Mythimna separata in a near-zero magnetic field (<500 nT) compared to the local geomagnetic field (approximately 50 µT). The near-zero magnetic field...
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| Format: | Article |
| Language: | English |
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Elsevier
2021-05-01
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| Series: | Journal of Integrative Agriculture |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2095311920632877 |
| _version_ | 1818574036224966656 |
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| author | Meng-meng YAN Lei ZHANG Yun-xia CHENG Thomas W. SAPPINGTON Wei-dong PAN Xing-fu JIANG |
| author_facet | Meng-meng YAN Lei ZHANG Yun-xia CHENG Thomas W. SAPPINGTON Wei-dong PAN Xing-fu JIANG |
| author_sort | Meng-meng YAN |
| collection | DOAJ |
| description | The geomagnetic field affects all living organisms on the Earth. In this study we investigated the developmental and behavioral effects of rearing Mythimna separata in a near-zero magnetic field (<500 nT) compared to the local geomagnetic field (approximately 50 µT). The near-zero magnetic field produced by a Helmholtz coil system significantly lengthened larval and pupal development durations, increased male longevity, and reduced pupal weight, female reproduction, and the relative expression level of the vitellogenin (Vg) gene in newly emerged females. Moreover, the near-zero magnetic field had a considerable negative effect on the mating ratio of M. separata adults. In addition, the moths in the near-zero magnetic field displayed less flight activity late in the night than those in the Earth's normal geomagnetic field, indicating that the flight rhythm of M. separata may be affected by the near-zero magnetic field. Reduction in magnetic field intensity may have negative effects on the development and flight of oriental armyworm, with consequent additional effects on its migration. |
| first_indexed | 2024-12-15T00:21:04Z |
| format | Article |
| id | doaj.art-5a2ab4654116461584f308a4f7718464 |
| institution | Directory Open Access Journal |
| issn | 2095-3119 |
| language | English |
| last_indexed | 2024-12-15T00:21:04Z |
| publishDate | 2021-05-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Integrative Agriculture |
| spelling | doaj.art-5a2ab4654116461584f308a4f77184642022-12-21T22:42:18ZengElsevierJournal of Integrative Agriculture2095-31192021-05-0120513361345Effect of a near-zero magnetic field on development and flight of oriental armyworm (Mythimna separata)Meng-meng YAN0Lei ZHANG1Yun-xia CHENG2Thomas W. SAPPINGTON3Wei-dong PAN4Xing-fu JIANG5State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, P.R.China; Correspondence YAN Meng-meng, Mobile: +86-13121300528; JIANG Xing-fu, Tel: +86-10-62816073State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, P.R.ChinaState Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, P.R.ChinaCorn Insects and Crop Genetics Research Unit, USDA-ARS, Ames, IA 50011, USABeijing Key Laboratory of Bioelectromagnetics, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, P.R.ChinaState Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, P.R.China; Correspondence YAN Meng-meng, Mobile: +86-13121300528; JIANG Xing-fu, Tel: +86-10-62816073The geomagnetic field affects all living organisms on the Earth. In this study we investigated the developmental and behavioral effects of rearing Mythimna separata in a near-zero magnetic field (<500 nT) compared to the local geomagnetic field (approximately 50 µT). The near-zero magnetic field produced by a Helmholtz coil system significantly lengthened larval and pupal development durations, increased male longevity, and reduced pupal weight, female reproduction, and the relative expression level of the vitellogenin (Vg) gene in newly emerged females. Moreover, the near-zero magnetic field had a considerable negative effect on the mating ratio of M. separata adults. In addition, the moths in the near-zero magnetic field displayed less flight activity late in the night than those in the Earth's normal geomagnetic field, indicating that the flight rhythm of M. separata may be affected by the near-zero magnetic field. Reduction in magnetic field intensity may have negative effects on the development and flight of oriental armyworm, with consequent additional effects on its migration.http://www.sciencedirect.com/science/article/pii/S2095311920632877developmentflight activitygeomagnetic fieldMythimna separatanear-zero magnetic field |
| spellingShingle | Meng-meng YAN Lei ZHANG Yun-xia CHENG Thomas W. SAPPINGTON Wei-dong PAN Xing-fu JIANG Effect of a near-zero magnetic field on development and flight of oriental armyworm (Mythimna separata) Journal of Integrative Agriculture development flight activity geomagnetic field Mythimna separata near-zero magnetic field |
| title | Effect of a near-zero magnetic field on development and flight of oriental armyworm (Mythimna separata) |
| title_full | Effect of a near-zero magnetic field on development and flight of oriental armyworm (Mythimna separata) |
| title_fullStr | Effect of a near-zero magnetic field on development and flight of oriental armyworm (Mythimna separata) |
| title_full_unstemmed | Effect of a near-zero magnetic field on development and flight of oriental armyworm (Mythimna separata) |
| title_short | Effect of a near-zero magnetic field on development and flight of oriental armyworm (Mythimna separata) |
| title_sort | effect of a near zero magnetic field on development and flight of oriental armyworm mythimna separata |
| topic | development flight activity geomagnetic field Mythimna separata near-zero magnetic field |
| url | http://www.sciencedirect.com/science/article/pii/S2095311920632877 |
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