Manisha Kumari*
University Department of Zoology, B.N.M. University, Madhepura, Bihar, India
Received : 06th January, 2023 ; Revised : 05th February, 2023
Abstract– Agriculture, which is the science of cultivating the soil, growing crops, and raising livestock, is the key to development in the rise of sedentary human civilization. A significant problem now is to expand food production without harming the environment. Synthetic pesticides that are sold commercially can harm both human civilization and the environment as a whole. Pesticides are administered, and more than 85% of them end up in the environment, posing serious health risks. Commercially available synthetic insecticides harm both human civilization and the entire environment. Synthetic pesticides were used, which resulted in bioaccumulation in agricultural fields, which raised resistance and decreased soil biodiversity. Therefore, it is important to promote natural pesticides and insecticides that are safe for the environment. Spilosoma obliqua is a polyphagous pest that causes significant damage to plants. In this study Annona squamosa active ingredients are employed as biopesticides to reduce Spilosoma obliqua. When compared to Control, the larval population of Spilosoma obliqua in A. squamosa dropped by a maximum significant amount of 7.09 and 11.02%, respectively, at 1 and 2 weeks, respectively. After three and four weeks, the findings showed that A. squamosa had the highest increase in the reduction of the larval population (22.26 and 47.23%, respectively) when compared to Control (0.00%). The greatest increase in A. squamosa larval population after 5 weeks was 82.52%, which was declared non-significant when compared to control’s minimum larval population decline of 0.00%.
Key words: Annona squamosa, Spilosoma obliqua, bioaccumulation, Synthetic pesticides
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