摘要
近年来,稻黄单胞杆菌致病变种(Xanthomonas oryzae pv.oryzae)为致病菌的水稻白叶枯病“老病新发”,菠萝泛菌(Pantoea ananatis)和阿氏肠杆菌(Enterobacter asburiae)引起的水稻叶部病害突现流行,迫切需要筛选高效药剂精准防控。本研究采用平板抑菌圈法测定了16种杀菌剂对3种病原细菌的抑菌活性。结果表明,40%链霉素、80%乙蒜素、3%中生菌素、35%喹啉铜四霉素和6%春雷霉素这5种抗生素类杀菌剂同时对上述3种病原细菌具有显著抑菌作用;其中,80%乙蒜素(10000 mg/L)对黄单胞致病变种FY517的抑菌效果最佳,抑菌圈为22.2 mm;而40%链霉素(10000 mg/L)对菠萝泛菌SX1和阿氏肠杆菌HZ27抑菌效果最佳,抑菌圈分别为27.8 mm和24.2 mm。
In recent years,rice leaf diseases caused by Xanthomonas oryzae pv.oryzae,Pantoea ananatis and Enterobacter asburiae respectively,are emerging and prevalent.It is urgent to screen effective fungicides for accurate controlling these bacterial diseases infecting rice leaf.In this study,the plate inhibition zone method was used to measure the bacteriostatic activity of 16 fungicides against three above pathogenic bacteria.The results showed that five antibiotics,including 40%streptomycin,80%ethylicin,3%zhongshegnmycin,35%quinolone-copper tetramycin and 6%priminomycin had the significant bacteriostatic effect on three pathogenic bacteria.Among them,80%ethoallicin(10000 mg/L)showed the best bacteriostatic effect on Xanthomonas oryzae pv.oryzae isolate FY517,and the inhibition zone was 22.2 mm.Otherwise,40%streptomycin(10000 mg/L)had the best inhibitory effect on Pantoea ananatis isolate SX1 and Enterobacter asburiae isolate HZ27,and the inhibition zone was 27.8 mm and 24.2 mm,respectively.
作者
侯雨萱
于林
李阳
谌江华
HOU Yuxuan;YU Lin;LI Yang;CHEN Jianghua(China National Rice Research Institute/State Key Laboratory of Rice Biology and Breeding,Hangzhou 311400,China;Soil Fertilizer,Plant Protection and Energy Station of Lishui City,Lishui,Zhejiang 323000,China;Ningbo Academy of Agricultural Sciences,Ningbo,Zhejiang 315040,China)
出处
《中国稻米》
北大核心
2023年第6期28-32,共5页
China Rice
基金
浙江省“三农九方”科技协作计划项目(2022SNJF009)。
关键词
水稻
稻黄单胞杆菌致病变种
菠萝泛菌
阿氏肠杆菌
杀菌剂
抑菌作用
rice
Xanthomonas oryzae pv.oryzae
Pantoea ananatis
Enterobacter asburiae
fungicides
antibacteria effect
