Gene McAvoy sent this UF/IFAS document link, http://edis.ifas.ufl.
Management practices for disease control in organic vegetables.
| Avoid field operations when leaves are wet. |
| Encourage air movement. |
| Use reflective mulch. |
| Avoid overhead irrigation. |
| Employ soil organic amendments. |
| Reduce mechanical injury. |
| Change planting date from spring to fall. |
| Apply insecticidal or horticultural oils. |
| Rogue diseased plants/fruit. |
| Change planting date within a season. |
| Control soil pH. |
| Use row covers. |
| Cover cropping with an antagonist. |
| Plant in well drained soil. |
| Use soil solarization. |
| Rotate with non-host crop (2-3 years). |
| Plant on raised beds. |
| Use pathogen-free planting material. |
| Deep plowing. |
| Use plastic mulch bed covers. |
| Use disease-resistant varieties. |
| Immediately destroy crop residue. |
| Employ postharvest temperature control. |
| Destroy volunteer plants. |