EFFECT OF TRANSGENIC COTTON ON CULTURAL DIVERSITY OF SOIL MICRO-ORGANISMS
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 53
Abstract
The present experiment was conducted to study the necessity of monitoring the Bt cotton cultivation to ensure the safety of the biodiversity and the ecosystem at large in the Laboratory of Division of Soil Biology, Indian Institute of Soil Science, Bhopal in 2012. The researchers found specifically some actinomycetes are necessary for breaking own cellulose and humus and mineralizing and immobilizing nutrients. The existence of diverse microorganisms in the rhizospheric soil can change the quality of crop residues. This study discusses in the effects of Bt cotton on soil microbial diversity, as any GM crop, with Bt genes it could leads to total destruction of soil organisms by leaving dead soil unable to produce food. Soil samples were collected from rhizosphere of the cotton growing areas Nagpur, Maharashtra state. The soil samples were collected at the time of boll development stage. In our study the richness of the microbial communities in rhizosphere soil did not differ between Bt cotton and the non Bt cotton variety. Even the functional diversity of Microorganisms was not different in rhizosphere soil between Bt cotton and non Bt cotton variety. In contrast in our study, some soil specific microbial populations were affected by Bt cotton. A decrease in specific microbial population could lead to a decrease in decomposition process after the level and composition of soil organic matter and have secondary effects on the survival of plant pathogens.
Authors and Affiliations
EKTA HEDAU
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