Studies were carried out to investigate risk assessment of Bt cotton on soil surface dwelling communities of beetles, collembolans, ants, crickets, spiders and mites and Sucking insect pests aphids, whitefly, leafhopper mealy bug and stink bug were compared with respect efficiency in assessing species diversity and abundance between Bt and Bt cotton agro ecosystem in Warangal, India. A total of 1421 and 3070 number in Bt cotton fields and 2329 and 4283 number in non-Bt cotton fields were collected from 360 pitfalls during 2011-12 and 2012-13 respectively. The results of the study have shown that significant reduction in number of arthropods in Bt-cotton fields. There was no significant difference in pest community but the percentage of damage caused by sucking pest was more in Bt-cotton than non Bt-cotton fields being analyzed.

Diversity and abundance of arthropods in Bt- and non-Bt-cotton fields of Warangal, India

248th National Meeting (2014)

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