---

期 刊 ：植物保护学报 1999年

关键词：水稻；登叶病；发病条件；防治；

Keywords:orange-coloured leaf disease of rice, occurrence, control,

摘 要 ：１９９２－１９９６年对水稻橙叶病的发生流行条件进行了广泛深入调查研究。结果证明，当地水稻品种全属感病和高感品种、人工接种发病率为４０％－９３．３％，只有几个新近引进或准备诉品种属抗病或高抗。秧苗尤以３－５叶龄期最易感病，６叶龄后抗耐病性逐渐增强，在分蘖盛期后病株基本死亡。

Abstract:The occurrence of orange-coloured leaf disease of rice, a phytoplasma disease, was investigated widely during 1992 - 1996. The results indicated that the local cultivated rice cultivars were all susceptible or highly susceptible. The incidence after artif

---