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

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Charcoal Rot - Macrophomina phaseolina • Symptoms are similar to those caused by other crown-rot pathogens such as Colletotrichum and Phytophthora species. • Plants initially show signs of water stress and subsequently collapse • To confirm a diagnosis, the pathogen must be isolated in culture from the diseased crowns
Phytophthora Crown and Root Rot • Phytophthora cactorum, P. citricola, P. parasitica, P. megasperma and P. fragariae* • brown discoloration in the crown, with or without a brown-to-black root rot.
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 and 12: Most Common Strawberry Root and Cro
Page 13 and 14: Anthracnose Crown and Root Rot •
Page 15 and 16: Cylindrocarpon Black Root Rot • C
Page 17 and 18: Fusarium oxysporum • Easy to isol
Page 19: Charcoal Rot - Macrophomina phaseol
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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