In addition, the cultivars with high disease index of PYL symptoms also showed high disease severity of leaf-blight symptoms, but not vis versa.

• 自淡黄化型病株分离的菌株引起淡黄化型病徵之能力较强，且其造成之稻品种罹病度大多与其所造成之叶枯型病徵之罹病度间呈正相关，但反之非必然。