Priyantini Widiyaningrum, - and Ning Setiati, FMIPA Biologi and Sri Ngabekti, - and Fadilah Ngaini, - and Tri Dewi Yuliyanti, - and Yoga Hardiyanto, - and Suwarti, - (2022) Insecticidal Effect of Weeds Extract in the Poultry Pest Alphitobius diaperinus. Pakistan Journal of Biological Sciences, 25 (2). pp. 154-159. ISSN 1028-8880

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Abstract

Background and Objective: Alphitobius diaperinus (Coleoptera: Tenebrionidae) is the major pest in chicken farms. The control of pests using synthetic insecticides is not recommended. Besides its expensive, synthetic insecticides are proved harmful to poultry health, farmworkers and polluting the environment. To explore the sources of bioinsecticides that are cheap and eco-friendly, this study was conducted to evaluate the insecticidal effect of weeds extracts (Chromolaena odorata, Ageratum conyzoides and Tithonia diversifolia) against post-embryonic survival of A. diaperinus. Materials and Methods: The experimental study using a completely randomized design of 2 factors, i.e., 3 types of weeds extract and 6 levels of concentration. The insecticidal effect was observed based on the post-embryonic survival. The post-embryonic survival of larvae was evaluated for 4 weeks by measuring the number of Larvae Released (LR) from the eggs, as well as the number of Adults Emergence (AE). Data were analyzed using Variance Analysis (ANOVA) and continued with the least significant different tests ("<0.5). Results: The statistical analysis showed that the differences in extract concentration contributed significant influence ("<0.05) on the total number of larvae released and adult emergence. The lowest LR and AE occurred at the 40% concentration level, i.e., on the extract of T. diversifolia, while the highest LR and AE were found in the treatment of C. odorata extract. Conclusion: In this study, all types of extracts have an insecticidal effect on the post-embryonic survival of A. diaperinus but the strongest effect was found in the extract of T. diversifolia in 40% concentration. At last, these findings inform people that the weeds extract, especially T. diversifolia is possible to be developed as bioinsecticides for A. diaperinus.

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