Open Access
Table I
Comparison of mycotoxin levels (mean ± SE in ppb) of GM Bt maize vs. its isogenic non-Bt counterpart (N = 21 GM2 Bt1 replicates vs. 21 non-GM Bt replicates/year).
| Mycotoxin | Cultivars | 2005 | 2006 | Utesta |
|---|---|---|---|---|
| Fumonisins B1/B2 | GM | 265.621 ± 114.062 | 425.076 ± 249.144 | U = 265, P = 0.120 |
| Isogenic | 6114.931 ± 1292.660 | 5620.036 ± 1453.458 | U = 259, P = 0170 | |
| Tw testb | Tw = 231, P < 10−4 | Tw = 3, P < 10−4 | ||
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| Deoxynivalenol | GM | 185.691 ± 46.763 | 975.605 ± 471.796 | U = 146, P = 0.030 |
| Isogenic | 113.576 ± 57.199 | 238.805 ± 56.096 | U = 93.5, P < 10−4 | |
| Tw test | Tw = 65, P = 0.040 | Tw = 51, P = 0.010 | ||
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| Zearalenone | GM | 9.373 ± 3.030 | 1.567 ± 1.422 | U = 163, P = 0.070 |
| Isogenic | 18.954 ± 8.857 | 3.471 ± 2.313 | U = 121, P = 0.005 | |
| Tw test | Tw = 64, P = 0.240 | Tw = 99, P = 0.270 | ||
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| Total mycotoxins | GM | 460.685 ± 116.457 | 1402.248 ± 573.679 | U = 193, P = 0.240 |
| Isogenic | 6247.461 ± 1282.183 | 5862.312 ± 1466.050 | U = 259, P = 0.170 | |
| Tw test | Tw = 231, P < 10−4 | Tw = 212, P = 3.980 × 10−4 | ||