Analysis of genetic diversity among current spring wheat varieties and breeding for improved yield stability of wheat (Triticum aestivum L.) [Elektronische Ressource] / submitted by Lin Hai

Justus-Liebig-University Giessen Research Center for Biosystems, Land Resources and Nutrition Department of Plant Breeding Head: Prof. Dr. Dr. h.c. Wolfgang Friedt Analysis of Genetic Diversity among Current Spring Wheat Varieties and Breeding for Improved Yield Stability of Wheat (Triticum aestivum L.) Dissertation Submitted for the degree of Doctor of Agricultural Science Faculty of Agricultural and Nutritional Sciences, Home Economics and Environmental Management Justus-Liebig-University Giessen Submitted by Lin Hai from Beijing, P. R. China Giessen, December 2006 Mitglieder der Prüfungskommission: Vorsitzende: Prof. Dr. Dr. Annette Otte Gutachter: Prof. Dr. Dr. h.c. Wolfgang Friedt Gutachter: Prof. Dr. Wolfgang Köhler Prüfer: Prof. Dr. Bernd Honermeier üfer: Prof. Dr. Andreas Vilcinskas CONTENTS I1 INTRODUCTION 11.1 Genetic diversity as a basis of crop improvement 11.2 Evaluation methods of genetic diversity 21.2.1 Coefficient of parentage (COP) 21.2.2 Molecular markers 31.2.2.1 Restriction fragment polymorphisms (RFLPs) 41.2.2.2 Random amplified polymorphic DNAs (RAPDs) 41.2.2.3 Amplified fragment length polymorphisms (AFLPs) 51.2.2.