水稻干尖线虫病是由线虫(Aphelenchoides besseyi Christis)侵染引致的水稻病害,为国内植物检疫对象之一。此病1964年在保山县种植的“台湾200号”水稻品种上发现。随着稻种的调运,水稻干尖线虫病迅速扩展蔓延,据1977年底不完全统计,我省的保山、大理、楚雄、昆明、玉溪、曲靖、红河等地州约50多县(市)都有发生。 1968年以来,保山等地应用变温浸种,有效地减轻了水稻干尖线虫病的为害。但在 Rice dry tip nematode disease is a rice disease caused by the infestation of the nematode (Aphelenchoides besseyi Christis), and is one of the objects of domestic phytosanitary quarantine. The disease was found in the “Taiwan 200” rice variety planted in Baoshan County in 1964. According to the incomplete statistics at the end of 1977, about 50 counties (cities) in Baoshan, Dali, Chuxiong, Kunming, Yuxi, Qujing and Honghe prefectures in our province Have happened. Since 1968, the use of variable temperature soaking Baoshan and other places, effectively reduce the damage of dried up rice nematodes. But in