掌叶半夏茎基腐病病原鉴定及其防治药剂筛选

韩兴,何运转,康占海,王高杨,王冰,李亚宁,刘大群

Pathogen Identification and Fungicide Screening of Stem Base Rot Disease on Pinellia pedatisecta

Xing Han,Yunzhuan He,Zhanhai Kang,Gaoyang Wang,Bing Wang,Yaning Li,Daqun Liu

表1 供试药剂浓度设置

Table 1 Concentration setting of each tested fungicides

供试药剂Test fungicide 浓度梯度Concentration set (mg/L) 3%甲霜·恶霉灵AS 3% metalaxyl·hymexazol AS 25 50 100 200 500 50%烯酰吗啉WP 50% dimethomorph WP 10 20 50 200 500 40%氟硅唑EC 40% flusilazole EC 10 20 40 80 160 99%恶霉灵TC 99% hymexazol TC 25 50 100 200 400 35%精甲霜灵ES 35% metalaxyl-M ES 1.25 2.5 5 10 20 1×106孢子/g寡雄腐霉菌WP 1×106 spores per gram Py. oligandrum WP 2.5 5 10 20 50 1×1011芽孢/g枯草芽孢杆菌WP 1×1011 spores per gramBacillus subtilis WP 0.2 1 5 25 125 玫瑰黄链霉菌Men-myco-93-63抗生素粗提物 Crude antibiotic extracts of S. roseoflavus Men-myco-93-63 12.5 25 50 100 200