Bread and durum wheat performance under a wide range of environmental conditions
Marti Marsal, Jordi
Universitat de Lleida. Departament de Producció Vegetal i Ciència Forestal
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It has been assumed that durum wheat is more productive under stress than bread wheat (geographical distribution and statements in the literature). However, this is not known as only few research papers compared the performance of both crops, and in no case under a wide range of environments in field conditions. This study did precisely this sort of comparison, along 3 experimental years in which a range of fertilization and irrigation treatments were applied. In addition, a comprehensive database with data from field experiments was gathered and meta-analysed. We found from both approaches a cross-over interaction of yield of bread and durum wheat, but rejecting the hypothesis: bread outyielded durum wheat in the low-yielding conditions while durum wheat tended to have higher yield potential as a consequence of differences in sink strength in post-anthesis. The causes under the yield interaction and its consequences in efficiency terms are discussed.
European research projects
- Tesis Doctorals 
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