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Damping Off

Damping-off is caused by a variety of soilborne fungi. Seeds rot before they germinate, or seedlings rot at the soil line and fall over. It can be a problem with indoor seedlings and also in garden beds. Prevent damping-off by keeping soil moist, but not waterlogged. Provide good air movement in seed-starting areas. Wait until soil is warm enough for the specific plant before seeding. Sterile seed-starting mix or a mix that includes compost can help prevent problems, too. If you’ve had past problems with this disease, add compost to your soil, and use a product containing Trichoderma harzianum to drench the soil before planting.