北方农业学报 ›› 2018, Vol. 46 ›› Issue (2): 69-69.
张庆萍[1];王燕春[2];王秀琴[3];田晓燕[1];赵伟强[2];徐佳[2];邱廷艳[4];龚静[5]
ZHANG Qingping1,WANG Yanchun2,TIAN xiaoyan1,WANG Xiuqin3, ZHAO Weiqiang2, XV Jia2, QIU Tingyan4, GONG Jing5 (1.Institute of Plant Protection, Inner Mongolia Academy of Agricultural and Husbandry Sciences, Hohhot 010031 ,China; 2.Chifeng Academy of Agricultural and Animal Husbandry Sciences,Chifeng 024000,China;3.Chifeng Agricultural Technical Service Center,Hohhot 010031,China;4.Harqin Banner Plant Protection and Plant Quarantine Station,Jinshan 024400,China; 5.Inner Mongolia Agricultural University ,Hohhot 010030,China)
摘要: 为了明确温室温度、湿度与番茄灰霉病的发病关系及不同药剂对灰霉病菌的敏感程度,通过温室温度、湿度与发病关系的观察及室内毒力测定试验。结果表明:试验温室4月底发病达到高峰,此时温度173℃,相对湿度达75%~90%。低温、高湿是番茄灰霉病发病的必要条件。灰霉病病原菌对4种常用药剂的毒力测定,采用菌丝生长速率法测定其菌落直径计算EC50,结果显示培养10d各药剂抑菌效果依次为:70%嘧霉胺99.97%〉60%噻菌灵83.43%〉80%甲基硫菌77.65%〉50%异菌腮75.81%。
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