Diversity of soil arthropod community in Bt and Non-Bt cotton fields of Karimnagar District Telangana.
Journal Title: IOSR Journal of Agriculture and Veterinary Science (IOSR-JAVS) - Year 2018, Vol 11, Issue 12
Abstract
Biodiversity study in cotton ecosystem is very important to understand species composition of agriculturally important arthropods which mediate or regulate a variety of functions essential for plant growth and productivity, soil resource structure and ecosystem health. In order to study biodiversity of soil surface arthropods in Bt and non-Bt cotton ecosystems an attempt was made from July 2016 to February 2017 in three seasons in farmers Bt and non-Bt cotton fields. The results indicated that arthropods were recorded from 8 insect orders besides spiders and millepods. A total of 138 individuals in Bt cotton, 309 individuals in non-Bt cotton field were recorded by using pitfall traps. Arthropods collected from twenty one species in Bt and twenty five species in non-Bt cotton fields were recorded. Our results overall suggested that no significant differences between the Bt and non–Bt cotton fields in these arthropod community. But abundance of arthropods were high in non-Bt cotton compare to Bt cotton fields. Based on our findings, we conclude that Bt cotton generally exerts marked negative effective on the abundance of arthropods community in Bt cotton fields, various diversity indices were measured.
Authors and Affiliations
K. Kiranmai, Ch. Sammaiah*
Keywords
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- EP ID EP425309
- DOI 10.9790/2380-1112020104
- Views 119
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