Published in Scientific Papers. Series A. Agronomy, Vol. LXI, Issue 1
Written by Viorica URECHEAN, Dorina BONEA
Cultivation of genetically modified (GM) maize MON 810 in the European Union, including Romania, requires specific management. The adventitious presence of genetically modified organisms in conventional crops, can affect their coexistence. Two field experiments with genetically modified maize (MON 810) and conventional maize (non-GM) were placed at A.R.D.S. Simnic- Craiova under the climatic conditions of the agricultural years 2011-2012 and 2012-2013. The rate of cross-pollination (highlighted by percentage of Xenia on the ear) was influenced by: the buffer zones, the isolation distance and the prevailing wind direction. The presence of buffer zones (ten row of Sudan Grass) has reduced the cross-fertilization rate by 40.5% in 2012 and by 20.0% in 2013. As a result, the use of buffer zones can be considered one of the important strategies for ensuring coexistence a the genetically modified maize with nongenetically modified maize, in the same area of culture.
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