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

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Photo: Federal Way Senior Center Studies in the UK and California show that P. ramorum and other Phytophthora spp. can be easily moved in soil adhering to hiker’s boots, especially during wet weather and if there is leaf litter in the soil
Spread by animal vectors Snails – chlamydospores and sporangia Shore fly larvae – chlamydospores Shore fly adults –none Fungus gnat larvae – chlamydospores Fungus gnat adults ‐ none Hyder, N., Coffey, M. D., and Stanghellini, M. E. 2009. Viability of oomycete propagules following ingestion and excretion by fungus gnats, shore flies, and snails. Plant Dis. 93:720‐726.
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 and 12: P. ramorum genetics • Two mating
Page 13 and 14: P. ramorum genotypes Percent of sam
Page 15 and 16: Genotype analysis Repetitive elemen
Page 17: How P. ramorum spreads • Water: w
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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