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5.3.6 Correlation analysis among phytochemicals and

horticulture traits 158

5.3.7 Principal component biplot analysis: correlation

between phytochemicals and cultivars by production

system 161

5.4 Discussion 162

5.4.1 Impact of organic management system compared to

environmental factors on phytochemical content 162

5.4.2 Diferences in phytochemical content between diferent

genotypes and genotypic classes 165

5.4.3 Perspectives on breeding broccoli for enhanced

phytochemical content speciically for organic agriculture 169

173 References

Supplemental Information 179

Chapter 6 General Discussion 197

6.1 Introduction 198

6.2 Main Findings 198

6.3 Discussion Of Research Findings 203

6.3.1 Regulatory clarity is the foundation for organic seed

sector development 203

6.3.2 Organic management systems inluence horticultural

and phytochemical trait performance 204

6.3.3 A crop ideotype can serve as a communication tool to

arrive at an appropriate variety assortment 206

6.3.4 Genetic variation is a requirement to develop

optimized cultivars 215

6.3.5
Multiple seed system models contribute to organic

sector growth 218

6.3.6 Outlook 222

References
223

Summary
226

Samenvatting
234

About the Author 243

Training and Education Statement 244