Disease Control For Tomato Plants

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This article provides tips for how to prevent and control diseases on your tomato plants.
by Brett · All Zones · Diseases and Fungus · 0 Comments · June 14, 2010 · 6,119 views

Several disease problems occur on home-grown tomatoes. Reduce disease problems with a combination of practices that include:

  • Purchase vigorous, healthy plants from a reliable supplier.
  • Rotate the planting area within your garden each growing season. Plant tomatoes in the same place only once in three to four years.
  • Plant disease-resistant tomato varieties, if needed.
  • Remove and destroy all plant refuse in the fall and use deep cultivation to bury any remaining refuse.
  • Avoid overwatering with sprinklers. Use surface watering methods such as drip-irrigation or hand watering from a garden hose. Do not handle plants when the vines are wet.
  • Control weeds in and around the garden plots. Weeds not only compete with vegetables for soil moisture and nutrients but also serve as hosts for insects and disease organisms.
  • Control insect pests (especially aphids) which may transmit a disease organism from plant to plant.
  • Remove abnormal appearing plants as soon as they are observed. Virus diseases may be involved. To reduce the spread of viruses, wash hands and tools with a detergent after handling diseased or unusual looking plants.
  • Do not use tobacco products while handling tomato plants. These products may carry viruses, especially tobacco mosaic virus.
  • Use plastic or organic mulches to reduce disease and blossom-end rot problems. You can find products to control bloosom end rot at most local nursery and garden centers.
  • If possible, choose a sunny location for your tomatoes (at least 6 hours of sun). You are less likely to have leaf disease problems in a sunny location than in a semi-shady one.
  • Apply a recommended fungicide according to label directions at the first sign of leaf spot diseases. I recommend a more natural or organic product, such as those containing Neem Oil, which also controls insects and mites that eat plant parts, but not beneficial pollinating insects. You can buy Neem Oil online here


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