Core Collections of Plant Genetic Resources Book

	Preface
	Contributors
	The core collection at the crossroads	3
	Hierarchical approaches to the analysis of genetic diversity in crop plants	23
	Sampling strategies for use in stratified germplasm collections	35
	Maximising genetic diversity in core collections of wild relatives of crop species	55
	The use of multivariate methods in developing a core collection	77
	The combined use of agroecological and characterisation data to establish the CIAT Phaseolus vulgaris core collection	95
	The use of characterisation data in developing a core collection of sorghum	109
	Developing a coffee core collection using the principal components score strategy with quantitative data	117
	Genetic markers and core collections	127
	Integrating different types of information to develop core collections, with particular reference to Brassica oleracea and Malus x domestica	147
	Towards a Brazilian core collection of cassava	155
	The Barley Core Collection: An international effort	171
	The dynamics of a core collection	179
	Verifying and validating the representativeness of a core collection	187
	One core collection or many?	199
	The durum wheat core collection and the plant breeder	213
	The core as a guide to the whole collection	229
	Core collections for gene banks with limited resources	241
	Future directions	253
	Appendix	261
	Acronyms	262
	Index	264