北京、河北和宁夏番茄穴盘商品苗质量检测

抽样采集北京、河北和宁夏地区集约化育苗场生产的番茄穴盘商品苗样品85份,对株高、茎粗、干鲜质量和壮苗指数等生理指标进行检测,并对番茄早疫病和TYLCV带菌情况进行PCR检测。结果表明,北京地区采集的65份样品平均壮苗指数为0.156,早疫病检出率67.69%,TYLCV检出率7.69%;河北地区采集的15份样品平均壮苗指数0.165,早疫病检出率86.67%,TYLCV检出率为0;宁夏地区采集的5份样品平均壮苗指数0.069,早疫病和TYLCV检出率均为0。

Quality Inspection of Tomato Plug Seedlings Produced in Beijing，Hebei and Ningxia

Taking 85 tomato plug seedling samples collected from intensive nursery farms in Beijing， Hebei Province and Ningxia Autonomous Region as materials，this paper tested their physiological indexes including plant height，stem diameter，dry/fresh quality and seedling index；and carried out PCR detection on pathogens of tomato early blight and TYLCV．The results showed that the average seedling index of these 65 samples collected in Beijing area was 0.156，the detection rate of early blight was 67.69%，and detection rate of TYLCV was 7.69%．The average seedling index of 15 samples collected in Hebei Province was 0.165， and detection rate of early blight was 86.67%，TYLCV detection rate was 0．The average seedling index of 5 samples collected in Ningxia Autonomous Region was 0.069，and the detection rate of early blight and TYLCV was 0．