In this paper, we studied the screening me hod, procedure and results of rice somatic mutants with resistance to Pyricularia oryzae Cay. using phytotoxin.

摘要 本文研究报道抗稻病细胞突变体筛选方法、程序与结果，并对有关问题讨论。

Under the selection pressure of crude toxin filtration, three kinds of treatment methods and four kinds of phytotoxin concentrations were used to screen the blast-resistant callus phenylalanine.

摘要以稻病病原菌粗毒液为选择压，对水稻抗病性筛选，结果表明：粗毒液对水稻愈伤组织诱导、继代及分化有明显的抑制作用，抑制程度随毒浓度高而增强，且品种间差异显著。