crop Damage symptoms How to prevent Downey mildew Choose resistant cultivars Use a wide crop rotation with non-host crops Prevent a humid microclimate. Achieve [...] during propagation and maintaining a warm and dry climate in greenhouses. Use hygiene measures. Start clean, remove crop residues and prevent splashing
plant. How to prevent Crazy roots, hairy roots, crown gall Use clean propagation material Use a strict hygiene protocol, including disinfection of tools
residues Choose resistant cultivars Use clean propagation materials (seed can be treated effectively with hot water) Use clean substrate in greenhouse crops