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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Sunday 18 November 2018

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Effects of Biological Insecticides on Predatory Spider's Population in Rice Field


Volume 11, Issue 1, April 2015, Pages 114–117

 Effects of Biological Insecticides on Predatory Spider's Population in Rice Field

Muhammad Muddasir1, Zuhaib Ahmad2, Most Jannatul Fardusi3, and Abdul Rehman4

1 Department of Agroforestry Engineering, University of Lleida, Lleida, Spain
2 Pest Warning & Quality Control of Pesticides, Agriculture Department, Government of Punjab, Pakistan
3 Department of Agroforestry Engineering, University of Lleida, Lleida, Spain
4 Institute of Agricultural Extension and Rural Development, University of Agriculture, Faisalabad, Pakistan

Original language: English

Received 1 February 2015

Copyright © 2015 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


The study was conducted to compare the effects of different biological insecticides: extracts of Azadirachta indica and Eucalyptus globulus, and Spinosad on spider's population in a rice field at an agricultural farm in tehsil Daska of district Sialkot-51310, Pakistan. Spiders, as natural enemies play an important role in keeping pest population under control by not only feeding on pests but also limiting the availability of habitats open to pests by occupying various microhabitats in an agricultural ecosystem. The experiment was laid in randomized complete block design (RCBD) with three replicates. Biological insecticides including two botanical (extracts of Azadirachta indica and Eucalyptus globulus) and one microbial (Spinosad) were applied to the rice crop. The spider's population was counted after one, three and seven days from insecticide application. After one day from insecticide application, the reduction in spider's population was 42.18%, 36.68% and 33.38% with Spinosad, A. indica (20% conc.) and E. globolus (20% conc.) respectively. The trend of reduction of spider's population decreased with time from one to seven days. Spider's population showed significantly higher resistance to botanical than microbial insecticide.

Author Keywords: Botanical insecticide, Microbial insecticide, Resistance, Natural enemies, Agricultural ecosystem.


How to Cite this Article


Muhammad Muddasir, Zuhaib Ahmad, Most Jannatul Fardusi, and Abdul Rehman, “Effects of Biological Insecticides on Predatory Spider's Population in Rice Field,” International Journal of Innovation and Applied Studies, vol. 11, no. 1, pp. 114–117, April 2015.