By Kent H. McKnight, Vera B. McKnight, Roger Tory Peterson
Approximately all nature-oriented humans profess a love affair with the vegetation, yet just a restricted quantity admit to an analogous ardour for mushrooms, except as a desk delicacy. a few humans may push aside them as «toadstools,» to be ranked with spiders, snakes, bats, and different issues that experience turn into symbolic of the darkish aspect of lifestyles.
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Extra resources for A Field Guide to Mushrooms: North America (Peterson Field Guide)
Aguileta et al. (2012) compared genes among the specialized pathogens B. tulipae and B. ficariarum and the polyphagous pathogens B. cinerea and Sclerotinia sclerotiorum and found 21 genes showing footprints of positive selection, some of which with functions related to plant–fungus interactions. Grey mould, caused by B. cinerea, has a disastrous economic impact on numerous crops all over the world, although it is not easy to estimate due to the broad 3 Genetics of Botrytis cinerea 37 range of host crops and growing areas.
2004). The ‘fertilisation’ of receptive sclerotial structures by spermatia induce the production of apothecia, the sexual structures (Urbasch 1983), where asci and ascospores are generated. Faretra and Antonacci (1987) were the first to induce the sexual stage in B. cinerea under laboratory conditions. The asci, containing ascospores, are borne on the upper surface of apothecia (Fig. 1). Sexual compatibility is controlled by a single mating type locus with two alleles, MAT-1 and MAT-2. e. can only produce ascospores when crossed with the opposite mating type (Faretra et al.
By increasing the concentration of the secondary reporter antibody the total time involved can be reduced to 20 min (SAPS 2000). Fernández-Baldo et al. CA4 antibody to develop a competitive ELISA for the quantification of B. cinerea in apple, table grape and pear tissues. In their assay Botrytis-antigens, present in extracts from infected tissues, compete with ‘purified’ B. cinerea antigens immobilized on the surface of microtitre plates using a cross linking agent. These assays take about 40 min.
A Field Guide to Mushrooms: North America (Peterson Field Guide) by Kent H. McKnight, Vera B. McKnight, Roger Tory Peterson