Scenarios for co-existence of genetically modified, conventional

0,96
MB and organic crops in European agriculture

146
stron

1843
ID INSTITUTE FOR PROSPECTIVE TECHNOLOGICAL STUDIES

2002
rok

Table of content

FOREWORDI

CONCLUSIONS .III

SUMMARY. 1

1 INTRODUCTION . 11

2 EXISTING SEGREGATION SYSTEMS . 15

2.1 Certified seed production 15

2.2 Supply Chain Initiative on Modified Agricultural Crops 15

2.3 Examples of segregation codes . 16

2.3.1 British Retail Consortium / Food and Drink Federation code 16

2.3.2 Soja de Pays . 16

2.3.3 High erucic acid oilseed rape (HEAR). 17

2.3.4 Waxy maize 17

2.4 Organic farming 18

2.5 Conclusion . 19

3 EFFECTS OF CHANGING FARMING PRACTICES IN THE PRESENCE OF GM CROPS. 21

3.1 Oilseed rape for seed production. 21

3.1.1 Crop production and use 21

3.1.2 Routes of contamination. 22

3.1.3 Typical farm types 24

3.1.4 The computer model GENESYS 25

3.1.5 Assumptions used for simulations 25

3.1.6 General interpretation of simulation results . 26

3.1.7 Measures to reduce in-field contamination evaluated by GENESYS 26

3.1.8 Farm 1: Conventional certified seed production 27

3.1.9 Farm 2: Organic certified seed production. 34

3.1.10 Farm 2’: Organic certified seed production on a small organic farm. 37

3.1.11 Farm 3: Conventional farm-saved seed production 39

3.1.12 Farm 4: Organic farm-saved seed production 43

3.1.13 Costs of changed farming practices 45

3.1.14 General conclusion for oilseed rape . 47

3.2 Grain maize for feed production . 52

3.2.1 Crop production and use 52

3.2.2 Routes of contamination. 52

3.2.3 Typical farm types 53

3.2.4 The computer model MAPOD . 54

3.2.5 Assumptions used for simulation . 55

3.2.6 Evaluated measures to reduce contamination levels 56

3.2.7 Farm 1: Intensive maize production in France . 58

3.2.8 Farm 5: Intensive grain maize production in Italy 59

3.2.9 Farms 2 and 2’: Organic grain maize production in Southern France 60

3.2.10 Farm 3: Non-intensive conventional grain maize production 61

3.2.11 Farms 4 and 4’: Organic grain maize production in Central France 62

3.2.12 Contamination levels with 10% GMOs in the region. 62

3.2.13 Costs of changed farming practices 63

3.2.14 General conclusion for maize. 64

3.3 Potato for food production 67

3.3.1 Crop production and use 67

3.3.2 Routes of contamination. 67

3.3.3 Typical farm types 68

3.3.4 Estimation of contamination levels 69

3.3.5 Evaluated measures to reduce contamination. 69

3.3.6 Farm 1: Conventional potato production for direct consumption and processing 70

3.3.7 Farm 2: Organic potato production for direct consumption and processing 71

3.3.8 Farm 3: Conventional early potato production for direct consumption 71

3.3.9 Farm 4: Organic early potato production for direct consumption 71

3.3.10 Costs of changed farming practices 72

3.3.11 General conclusion for potato 73

4 MONITORING NON-GM AGRICULTURAL PRODUCTION.75

4.1 Detection and quantification of GMOs75

4.1.1 State-of-the-art in detection and quantification techniques.75

4.1.2 A need for harmonised methodology81

4.1.3 Current techniques for on-farm analyses and estimated costs 86

4.1.4 Conclusion 89

4.2 Proposal for a monitoring system90

4.2.1 Hazard Analysis and Critical Control Point methodology90

4.2.2 Structure of the system91

4.2.3 Adaptation to different levels of monitoring needs.93

4.2.4 Total costs of monitoring systems – fixed costs .96

4.2.5 Costs of monitoring for oilseed rape.96

4.2.6 Costs of monitoring for maize 97

4.2.7 Costs of monitoring for potato98

4.2.8 Conclusion 99

5 FINANCIAL LOSSES IN CASE OF CONTAMINATION.101

5.1 Impacts of contamination with GM crops on conventional farms.101

5.1.1 Short-term impacts101

5.1.2 Medium- and long-term impacts.102

5.2 Impacts of contamination with GM crops on organic farms 103

5.2.1 Short-term impacts103

5.2.2 Medium- and long-term impacts.104

5.3 Insurance against contamination105

5.3.1 Indicative insurance costs .105

5.3.2 Insurance and individual contracts – actual situation106

6 TOTAL COST ANALYSIS FOR THE SELECTED CROPS .109

6.1 Breakdown of costs .111

6.1.1 Costs of changing farming practices.111

6.1.2 Costs of monitoring 111

6.1.3 Indicative insurance costs .111

6.2 Total costs for selected farm types 112

6.2.1 Total costs for oilseed rape for seed production .112

6.2.2 Total costs for maize for grain production115

6.2.3 Total costs for potato for food production 117

6.3 Additional analyses .118

6.3.1 Impact of agricultural system119

6.3.2 Impact of size120

6.3.3 Comparison between model crops 122

6.3.4 Impact of subsidies .123

7 GENERAL CONCLUSION125

7.1 Crop specific results 125

7.1.1 Oilseed rape for seed production 125

7.1.2 Grain maize for feed production .126

7.1.3 Potato for food production126

7.2 General results .127

ANNEX I: ECONOMIC PERFORMANCE OF OILSEED RAPE.129

ANNEX II: ECONOMIC PERFORMANCE OF GRAIN MAIZE PRODUCTION.131

ANNEX III: ECONOMIC PERFORMANCE OF POTATO PRODUCTION.132