Disease Suppressive Soil

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Suppressive Soils • Soil microfauna effect • Destroy soil-borne pathogens – (e.g. take-all of wheat after years without rotation) • Destroy weed seeds – (e.g. soils from European weed place of origin 30-40% more weed suppressive than PNW soils) • Destroy soil-dwelling arthropods – (e.g. entomopathogenic nematodes)
Take-all decline: Disease increases, then declines after years without rotation Berendsen et al. 2012. The rhizosphere microbiome and plant health. Trends in Plant Science 17: 478-486.
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Page 6 and 7: Non-chemical Control Options • Ho
Page 10 and 11: Mendes et al. 2011. Deciphering the
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Page 18 and 19: Differences in Abundance • Some o
Page 20 and 21: Matthew Ayres, SARDO, 2007
Page 22 and 23: Mechanisms of disease suppression
Page 24 and 25: Does greater microbial activity lea
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Page 28 and 29: Brassica seed meal • Contains che
Page 30 and 31: Mazzola. 2010. Chap 11 in Climate C
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Page 34 and 35: Trichoderma Colonizes root surface.
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Page 40 and 41: Average Germinating Slcerotia (of 4
Page 42 and 43: Average Germinating Sclerotia (of 4

Disease Suppressive Soil

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