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GM Crops: The First Ten Years - International Service for the ...

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Typical herbicide regimes <strong>for</strong> <strong>GM</strong> HT maize in South Africa<br />

Active ingredient<br />

Conventional maize<br />

Acetochlor<br />

Atrazine<br />

Total<br />

<strong>GM</strong> HT maize<br />

Acetochlor<br />

Glyphosate<br />

Total<br />

Source: Monsanto South Africa<br />

Amount (kg/ha of crop)<br />

1.73<br />

1.19<br />

2.92<br />

0.863<br />

1.8<br />

2.663<br />

Typical herbicide regimes <strong>for</strong> <strong>GM</strong> HT cotton in South Africa<br />

Active ingredient<br />

Conventional cotton<br />

Option one<br />

Trifluralin<br />

Hand weeding<br />

Total<br />

Option two<br />

S Metalochlor<br />

Flumeturon<br />

Prometryn<br />

Total<br />

Option 3<br />

Trifluralin<br />

Cyanazine<br />

Total<br />

Option 4<br />

Trifluralin<br />

Flumeturon<br />

Prometryn<br />

Acetochlor<br />

Atrazine<br />

Total<br />

Average conventional<br />

<strong>GM</strong> HT cotton<br />

Glyphosate<br />

Source: Monsanto South Africa<br />

Amount (kg/ha of crop)<br />

1.12<br />

0<br />

1.12<br />

0.95<br />

0.4<br />

0.5<br />

1.85<br />

1.12<br />

0.85<br />

1.6308<br />

0.745<br />

0.4<br />

0.5<br />

0.32<br />

0.128<br />

2.093<br />

1.673<br />

1.8<br />

Field EIQ/ha<br />

38.06<br />

27.25<br />

65.31<br />

19.0<br />

27.54<br />

46.54<br />

Field EIQ/ha<br />

21.06<br />

0<br />

21.06<br />

20.9<br />

8.13<br />

17.0<br />

46.03<br />

21.06<br />

16.83<br />

37.89<br />

14.01<br />

8.13<br />

17.0<br />

5.86<br />

2.93<br />

47.93<br />

38.23<br />

27.54<br />

Appendix<br />

91

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