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Table 1 Total number of incidents recorded on the GM Contamination Register for each crop for all countries and all years, 1997–2013

From: The GM Contamination Register: a review of recorded contamination incidents associated with genetically modified organisms (GMOs), 1997–2013

Crop No. of incidents % Total no. of incidents
Rice 134 34
Maize 98 25
Oilseed rape/canola 40 10
Soybean 37 9
Flax 26 6.5
Papaya 18 4.5
Cotton 14 3.5
Fish 5 1.3
Grass 4 1
Pigs 4 1
Sugar beet 4 1
Arabidopsis thaliana 3 0.75
Potato 2 0.5
Alfalfa 1 0.25
Plum 1 0.25
Tomato 1 0.25
Wheat 1 0.25
Zucchini 1 0.25
Pollen in honey* 1 0.25
Cherry, kiwi & olive trees** 1 0.25
Total 396  
  1. *Pollen from GM corn, oil seed rape & soya was found in honey imported into Switzerland (Greenpeace [2009]).
  2. **Experimental field trials of these GM trees exceeded the length of permit in Italy and are recorded together as one incident (Genetic Rights Foundation [2012]).