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Research Article |

Eco-Friendly Management of Flea Beetle (Phyllotreta spp.) on Som Plant (Machilus bombycina King) by Traditionally Used Plant Extracts

Muga silk worm (Antheraea assama West wood) rearing is done on som plant (Machilus bombycina King). Larval growth and silk production depends on nutritional value of som plant leaves. Large number of insect pests infests som plant and so rearing becomes difficult. Flea beetle (Phyllotreta spp.) (Coleoptera: Chrysomellidae) is a harmful pest pest and cause damage to som plant leaves. The study was carried out to find out the incidence pattern of flea beetle (Phyllotreta spp.) infesting som plant (Machilus bombycina King) and bio-efficacy evaluation of plant products for its safe management. For the experiments five plant extracts and one botanical pesticide were evaluated and their effectiveness was compared with standard check, Profenophos along with one untreated control. The floral parts of polygonum (Polygonum hydropiper), pongamia (Pongamia pinnata) leaves, garlic bulb (Allium sativum), spilanthes (Spilanthes paniculata) floral parts were extracted in methanol. Water was used for extraction of tobacco (Nicotiana tabacum) leaves. Harmful activity of flea beetles was recorded throughout the year on som plant leaves. The highest population (8.92/twig) was found on the last week of May (21st standard meteorological week). Significant positive correlation was seen between flea beetle population and temperature. Flea beetle had non-significant negative correlation with relative humidity. Profenophos 50 EC @ 0.05% was found most effective pesticide against flea beetle which provided about 70 per cent suppression. However, plant based pesticide and extract, Azadirachtin and Polygonumprovided moderate to higher flea beetle suppression. They recorded more than 50 per cent flea beetle control on som plant. Bio-pesticides including plant extracts are safe to our environment. It has no harmful effect on muga silk worm rearing. So it can be used for management of flea beetle on som plant.

Abiotic Factors, Bio-Pesticides, Muga Rearing, Plant Extracts, Silk Industry

APA Style

Kumar Ghosh, S. (2023). Eco-Friendly Management of Flea Beetle (Phyllotreta spp.) on Som Plant (Machilus bombycina King) by Traditionally Used Plant Extracts. American Journal of Zoology, 6(4), 63-71. https://doi.org/10.11648/j.ajz.20230604.11

ACS Style

Kumar Ghosh, S. Eco-Friendly Management of Flea Beetle (Phyllotreta spp.) on Som Plant (Machilus bombycina King) by Traditionally Used Plant Extracts. Am. J. Zool. 2023, 6(4), 63-71. doi: 10.11648/j.ajz.20230604.11

AMA Style

Kumar Ghosh S. Eco-Friendly Management of Flea Beetle (Phyllotreta spp.) on Som Plant (Machilus bombycina King) by Traditionally Used Plant Extracts. Am J Zool. 2023;6(4):63-71. doi: 10.11648/j.ajz.20230604.11

Copyright © 2023 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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