00963naa a2200121 a 450000100080000000500110000800800410001910000200006024500930008026000090017352006190018277300400080116483381999-10-13       1996    bl ---       0--  u    #d1 aBROWN, J. K. M.  aThe choice of molecular markker methods for populatio genetic studies of plant pathogens  c1996  aDNA markers have been used in many studies of fungal plant pathogens, and in particular in investigations of mating systems, gene flow, the establishment of epidemics and adaptation to host crops. Many aspects of population structure can be analysed by means of contingency tables, using X2 tests. Some extensions of such tests, with particular applications to plant pathology, are described. One test is applicable to situations where there is more than one level of subdivision of populations, while another is appropriate when there are two types of division, for instance by geographical area and by host crop.  tNew Phytol.gv.133, p.183-195, 1996