Life Cycle of Phytophthora ramorum - Forest Phytophthoras of the ...

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Recombination can occur in other ways • Horizontal gene transmission – Viruses – Plasmids – Tranposons – Endosymbiosis • Heterokaryosis – Nuclei of both partners in the same cell Image copyright © 2009, American Society for Microbiology. All Rights Reserved.
P. ramorum genotypes Percent of samples positive for P. ramorum from nurseries in Washington State 86.5 81.8 82.2 NA1 NA2 EU1 65.5 60.4 32.7 29.3 10.1 14.5 3.4 3.7 12.2 5.6 1.8 10.4 2005 2006 2007 2008 2009
Page 1 and 2: Life Cycle of Phytophthora ramorum
Page 3 and 4: Phytophthora is not a fungus Eukary
Page 5 and 6: Some economically important species
Page 7 and 8: Chlamydospore germination after 24
Page 9 and 10: Zoospores Zoospore release is stimu
Page 11: P. ramorum genetics • Two mating
Page 15 and 16: Genotype analysis Repetitive elemen
Page 17 and 18: How P. ramorum spreads • Water: w
Page 19 and 20: Spread by animal vectors Snails - c
Page 21 and 22: Foliar hosts Epidemiologically impo
Page 23 and 24: The soil phase of P. ramorum • Pr
Page 25 and 26: Water Possible pathway in water: De
Page 27 and 28: Some invasive plants are low risk f
Page 29 and 30: Results of t-tests on F1 scores fro
Page 31 and 32: Other oomycete species found in soi
Page 33 and 34: Clade 6 Phytophthoras • Soilborne
Page 35 and 36: Clade K Pythiums Intermediate betwe
Page 37 and 38: Nursery Critical Control Points Inc
Page 39 and 40: Clean pots Steam sterilize or hot w
Page 42 and 43: P. ramorum can often be found in ru
Page 44 and 45: Organic soil treatments • Mulches
Page 46 and 47: On the web • Visit our website: h

Life Cycle of Phytophthora ramorum - Forest Phytophthoras of the ...

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