Field trial results show that 12% octadecyl trimethyl ammonium chloride has a good efficiency against rice leaf blast and panicle blast, and is safe to crop.

• 田间药效试验表明，12%25十八烷基三甲基氯化铵的商品制剂对水稻的叶瘟和穗颈瘟田间防治效果好，且对水稻安全。