我校厚田生产队部分秧田发生红砂虫,为害很严重。我们对该虫进行了防治试验,现在结果简报如下: 一、发生和危害情况 红砂虫又名红线虫,学名Branchiur spp.发生在近山边土壤粘性较强、含腐植质较多的秧田内。 气温在20℃以上时,此虫最为活跃,其为害是由于它在畦面钻蛀泥土,造成秧田畦面不平而引起烂秧; Our school thick field production team part of the red sandstone occurred in seedling, the damage is very serious. We carried out the prevention and control of the pest, and now the results of the briefing as follows: First, the occurrence and harm Red sand pest, also known as red nematodes, scientific name Branchiur spp. Occurred in the soil near the hill sticky, with more humus in the seedling. The temperature is above 20 ℃, the worm is the most active, its damage is due to it drilled in the clay surface soil, resulting in uneven surface seedling caused by rotten seedlings;