十八烷基三甲基氯化铵对稻瘟病菌的生物活性及作用机理

The Bioactivity and Mechanisms of Octadecyl Trimethyl Ammonium Chloride against Magnaporthe grisea

十八烷基三甲基氯化铵对水稻稻瘟病菌菌丝生长和孢子萌发有很好的抑制效果,对水稻稻瘟病兼有预防和治疗作用。田间药效试验表明,12%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。研究表明,十八烷基三甲基氯化铵能使水稻幼苗体内的苯丙氨酸解氨酶、过氧化物酶和多酚氧化酶的活性迅速提高。

Octadecyl trimethyl ammonium chloride strongly inhibit the mycelium growth and spore germination of Magnaporthe grisea, octadecyl, trimethyl ammonium chloride has a good preventing and cure effect against rice blast. 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. The action mechanism experiment shows tlaat octadecyl trimethyl ammonium chloride can induce PAL, POX and PPO activity in rice. PAL, POX and PPO activity in rice increased rapidly after treatment by octadecyl trimethyl ammonium chloride.