孜然提取物对几种病菌生物活性的初步研究

Study on bioactivity of Cuminum cyminum extract to several kinds of Fungi

以孜然种子丙酮提取物为材料,测定了其对几种病菌的生物活性。结果表明,在供试质量浓度为0.05g/mL时,粗提物对所有供试真菌菌丝生长抑制率均大于75%;在供试质量浓度为0.1g/mL时,对稻瘟病菌孢子萌发抑制率大于90%;在供试质量浓度为0.04g/mL时,盆栽试验显示其对白菜黑斑病、稻瘟病及黄瓜霜霉病的保护作用均达60%以上,对稻瘟病治疗作用达89.5%以上。孜然作为植物源杀菌剂值得进一步研究。

The bioactivity of Cuminum cyminum acetone extract was tested with several kings of fungi.The results of separate cultivating condition showed that the extract had more than 75% inhibiting rates to the hypha growth of all tested fungi under the concentration of 0.05 g/mL,and had more than 90% inhibiting rates to the spore germination of Pyricularia grisea under the concentration of 0.1 g/mL.The results of pot test indicated that the extract had more than 60% protective efficacy to the Black rot of Chinese cabbage,Rice blast,Cucumber downy mildew and had 87.5% therapeutic efficacy to the Rice blast under the concentration of 0.04 g/mL.