1．选择适栽品种由于秋大棚番茄前期高温多雨，苗期在露地中，易染病毒病；中后期棚内湿度大，叶霉病较多。因此，要选择耐热的早熟、抗病品种。2．适时播种播种过早，病毒病发生重，易造成死苗；播种过晚，生长期短，影响产量。江南地区适播期为7月下旬至8月上旬，苗龄30天左 1. Select the suitable planting varieties As the early autumn tomato greenhouse high temperature and rainy, seedling in the open, easy to dye virus disease; humidity in the late greenhouse, leaf mold more. Therefore, we must choose the heat-resistant precocious, resistant varieties. 2. Sowing timely sowing too early, the virus disease occurred heavy, easily lead to dead seedlings; sowing too late, short growth period, affecting the yield. The suitable sowing period in southern China is from late July to early August, and the seedling age is 30 days left