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Sclerotinia Diseases of Crop Plants: Biology, Ecology and Disease Management
The fungus Sclerotinia has always been a fancy and interesting subject of research both for the mycologists and pathologists. More than 250 species of the fungus have been reported in different host plants all over the world that cause heavy economic losses. It was a challenge to discover weak links in the disease cycle to manage Sclerotinia diseases of large number of crops. For researchers and s- dents, it has been a matter of concern, how to access voluminous literature on Sclerotinia scattered in different journals, reviews, proceedings of symposia, workshops, books, abstracts etc. to get a comprehensive picture. With the pub- cation of book on ‘Sclerotinia’, it has now become quite ...
Sclerotiniaceae
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The Evolution of Necrotrophic Parasitism in the Sclerotiniaceae
Given a shared toolbox of pathogenicity-related genes among a set of species, why is one species a biotroph and specialist while another is a necrotroph and generalist? Is it the result of selection on primary sequence, or on proteins, or alternatively, differences in the timing and magnitude of gene expression? The Sclerotiniaceae (Ascomycota, Leotiomycetes, Helotiales) is a relatively recently evolved family of fungi whose members include host generalists and host specialists, and the spectrum of trophic types. Based on a phylogeny inferred from three, presumably evolutionarily conserved housekeeping genes, the common ancestor of the Sclerotiniaceae was necrotrophic, with at least two shif...
