New Biocompatible Technique Based on the Use of a Laser to Control the Whitefly <i>Bemisia tabaci</i>
The whitefly <i>Bemisia tabaci</i> is among the most important agricultural pests in the world and one of the world’s top 10 most invasive insect pests. <i>Bemisia tabaci</i> is associated with severe yield and quality losses, mainly due to the transmission of plant viruses,...
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MDPI AG
2023-05-01
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| Series: | Photonics |
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| Online Access: | https://www.mdpi.com/2304-6732/10/6/636 |
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| author | Antonia Zaidem Lucas Silva Amanda Ferreira Matheus Carvalho Mirco Ragni Luis Abegão Patricia Pinheiro |
| author_facet | Antonia Zaidem Lucas Silva Amanda Ferreira Matheus Carvalho Mirco Ragni Luis Abegão Patricia Pinheiro |
| author_sort | Antonia Zaidem |
| collection | DOAJ |
| description | The whitefly <i>Bemisia tabaci</i> is among the most important agricultural pests in the world and one of the world’s top 10 most invasive insect pests. <i>Bemisia tabaci</i> is associated with severe yield and quality losses, mainly due to the transmission of plant viruses, as in the case of common beans (<i>Phaseolus vulgaris</i> L.). Reducing insecticide applications is a research priority, e.g., developing innovative and clean tools such as electromagnetic waves. The present work aims to determine the effective parameters of laser to reduce the <i>Bemisia tabaci</i> population in common beans. Preliminary assays were conducted by manually irradiating continuous-wave laser beams with different wavelengths (444 nm, 527 nm, and 640 nm) and optical intensities directly on the insects. Among these, the most effective wavelength was 444 nm. Later, we repeated the experiments using a homemade automated system to control the exposure time (<i>t</i><sub>1</sub> = 1 s, <i>t</i><sub>2</sub> = 2 s, <i>t</i><sub>3</sub> = 3 s and <i>t</i><sub>4</sub> = 4 s) of whiteflies to the incident beam at different optical intensities (<i>I</i><sub>1</sub> ≈ 10 Wcm<sup>−2</sup>, <i>I</i><sub>2</sub> ≈ 4 Wcm<sup>−2</sup>, <i>I</i><sub>3</sub> ≈ 2 Wcm<sup>−2</sup>). We have achieved 100% insect mortality by irradiating 454 nm laser wavelength on the 3rd instar nymphs of <i>Bemisia tabaci</i>, with the following parameters: <i>I</i><sub>1</sub>(<i>t</i><sub>1</sub>), <i>I</i><sub>2</sub>(<i>t</i><sub>3</sub>) and <i>I</i><sub>3</sub>(<i>t</i><sub>4</sub>). Moreover, the laser irradiation test did not affect plant yield and development, revealing that our preliminary results present a photonic technique that could control whiteflies without harming the plants’ development. |
| first_indexed | 2024-03-11T02:01:35Z |
| format | Article |
| id | doaj.art-0b7d09d84c944077bd4eb33c0764d77f |
| institution | Directory Open Access Journal |
| issn | 2304-6732 |
| language | English |
| last_indexed | 2024-03-11T02:01:35Z |
| publishDate | 2023-05-01 |
| publisher | MDPI AG |
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| series | Photonics |
| spelling | doaj.art-0b7d09d84c944077bd4eb33c0764d77f2023-11-18T12:07:36ZengMDPI AGPhotonics2304-67322023-05-0110663610.3390/photonics10060636New Biocompatible Technique Based on the Use of a Laser to Control the Whitefly <i>Bemisia tabaci</i>Antonia Zaidem0Lucas Silva1Amanda Ferreira2Matheus Carvalho3Mirco Ragni4Luis Abegão5Patricia Pinheiro6Escola de Agronomia, Universidade Federal de Goiás (UFG), Goiânia 74690-900, GO, BrazilGrupo de Fotônica, Instituto de Física, Universidade Federal de Goiás (UFG), Goiânia 74690-900, GO, BrazilEmbrapa Arroz e Feijão, Laboratório de Entomologia, Santo Antônio de Goiás 75375-000, GO, BrazilFaculdade de Agronomia, Centro Universitário de Goiás (UNIGOIÁS), Goiânia 74423-115, GO, BrazilInstituto de Física, Universidade Estadual de Feira de Santana (UEFS), Feira de Santana 44036-900, BA, BrazilGrupo de Fotônica, Instituto de Física, Universidade Federal de Goiás (UFG), Goiânia 74690-900, GO, BrazilEmbrapa Arroz e Feijão, Laboratório de Entomologia, Santo Antônio de Goiás 75375-000, GO, BrazilThe whitefly <i>Bemisia tabaci</i> is among the most important agricultural pests in the world and one of the world’s top 10 most invasive insect pests. <i>Bemisia tabaci</i> is associated with severe yield and quality losses, mainly due to the transmission of plant viruses, as in the case of common beans (<i>Phaseolus vulgaris</i> L.). Reducing insecticide applications is a research priority, e.g., developing innovative and clean tools such as electromagnetic waves. The present work aims to determine the effective parameters of laser to reduce the <i>Bemisia tabaci</i> population in common beans. Preliminary assays were conducted by manually irradiating continuous-wave laser beams with different wavelengths (444 nm, 527 nm, and 640 nm) and optical intensities directly on the insects. Among these, the most effective wavelength was 444 nm. Later, we repeated the experiments using a homemade automated system to control the exposure time (<i>t</i><sub>1</sub> = 1 s, <i>t</i><sub>2</sub> = 2 s, <i>t</i><sub>3</sub> = 3 s and <i>t</i><sub>4</sub> = 4 s) of whiteflies to the incident beam at different optical intensities (<i>I</i><sub>1</sub> ≈ 10 Wcm<sup>−2</sup>, <i>I</i><sub>2</sub> ≈ 4 Wcm<sup>−2</sup>, <i>I</i><sub>3</sub> ≈ 2 Wcm<sup>−2</sup>). We have achieved 100% insect mortality by irradiating 454 nm laser wavelength on the 3rd instar nymphs of <i>Bemisia tabaci</i>, with the following parameters: <i>I</i><sub>1</sub>(<i>t</i><sub>1</sub>), <i>I</i><sub>2</sub>(<i>t</i><sub>3</sub>) and <i>I</i><sub>3</sub>(<i>t</i><sub>4</sub>). Moreover, the laser irradiation test did not affect plant yield and development, revealing that our preliminary results present a photonic technique that could control whiteflies without harming the plants’ development.https://www.mdpi.com/2304-6732/10/6/636integrated pest managementHemipteraagriphotonicsphotonicslaser applications<i>Phaseolus vulgaris</i> |
| spellingShingle | Antonia Zaidem Lucas Silva Amanda Ferreira Matheus Carvalho Mirco Ragni Luis Abegão Patricia Pinheiro New Biocompatible Technique Based on the Use of a Laser to Control the Whitefly <i>Bemisia tabaci</i> Photonics integrated pest management Hemiptera agriphotonics photonics laser applications <i>Phaseolus vulgaris</i> |
| title | New Biocompatible Technique Based on the Use of a Laser to Control the Whitefly <i>Bemisia tabaci</i> |
| title_full | New Biocompatible Technique Based on the Use of a Laser to Control the Whitefly <i>Bemisia tabaci</i> |
| title_fullStr | New Biocompatible Technique Based on the Use of a Laser to Control the Whitefly <i>Bemisia tabaci</i> |
| title_full_unstemmed | New Biocompatible Technique Based on the Use of a Laser to Control the Whitefly <i>Bemisia tabaci</i> |
| title_short | New Biocompatible Technique Based on the Use of a Laser to Control the Whitefly <i>Bemisia tabaci</i> |
| title_sort | new biocompatible technique based on the use of a laser to control the whitefly i bemisia tabaci i |
| topic | integrated pest management Hemiptera agriphotonics photonics laser applications <i>Phaseolus vulgaris</i> |
| url | https://www.mdpi.com/2304-6732/10/6/636 |
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