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

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Soil Borne Pathogens- Culturing • Diagnosis depends on the quality of the sample • Always want the whole plant – not completely dead • Include rhizosphere soil only for certain tests – sclerotial counts, nematodes
Soil Borne Pathogens- Culturing • Non-selective media – generally supportive to bacterial <strong>and</strong> fungal growth, favors saprophytes (soil is dirty) • Semi-selective or selective media adds anti-bacterials or antifungals, surfactants, amino acids, or sugars - available for some pathogens not all, value is variable Non-selective medium
Page 1 and 2: Diagnosing Strawberry Root and Crow
Page 3: Soil Borne Pathogens • Microscopy
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 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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