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.
摘以稻瘟病病原菌粗毒素提取液为选择压,对水稻进行抗病性筛选,结果表明:粗毒素提取液对水稻愈伤组织诱导、继代分化有明显的抑制作用,抑制程度毒素浓度提高而增强,且品种间差异显著。