The Evolutionary Genetics of Plant-Pathogen Systems Understanding the coevolution of hosts and parasites is key to understanding their ecology

摘要: he chestnut blight was first noticed in the New York Zoological Gardens 1904 (Rice et al. 1980); within 50 years disease had swept across eastern deciduous forests, leaving 3.6 million hectares of American trees (Castanea dentata) dead or dying (Anagnostakis 1987). Once an economically, socially, and ecologically important component hardwood forests United States 1987), chestnuts persist today only as dwindling stump sprouts from rootstocks these once magnificent (Griffin 1992). The