Diagnosing Strawberry Root and Crown Diseases - Santa Barbara ...

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Anthracnose Crown and Root Rot • Little is known about how it survives in the soil • Grows also on decaying tissue and plants could be exposed during normal practices of digging, trimming and packing • Cinnamon – to – red discoloration of the crown
Anthracnose Crown and Root Rot • Ascomycte fungus Colletotrichum acutatum • When above ground structures infected, you see the signs of the pathogen as spore masses (rarely seen below ground) • Produces spores in an acervulus • Primarily a fruit rotter, also infects stolons and petioles
Page 1 and 2: Diagnosing Strawberry Root and Crow
Page 3 and 4: Soil Borne Pathogens • Microscopy
Page 5 and 6: Soil Borne Pathogens- Culturing •
Page 7 and 8: Soil Borne Pathogens- Culturing •
Page 9 and 10: Soil Borne Pathogens - other method
Page 11: Most Common Strawberry Root and Cro
Page 15 and 16: Cylindrocarpon Black Root Rot • C
Page 17 and 18: Fusarium oxysporum • Easy to isol
Page 19 and 20: Charcoal Rot - Macrophomina phaseol
Page 21 and 22: Phytophthora Crown and Root Rot •
Page 23 and 24: Verticillium Wilt • Verticillium
Page 25 and 26: Testing soil pre-plant for Verticil
Page 27 and 28: Strawberry Nematodes: Soil-borne en

Diagnosing Strawberry Root and Crown Diseases - Santa Barbara ...

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