摘要
[目的]探究烟草西柏烷二萜在三七根腐病防治中的应用价值。[方法]采用菌丝生长速率法和盆栽试验测定烟草西柏烷二萜对三七根腐病致病真菌(人参链格孢菌、毁灭柱孢菌、尖孢镰刀菌、腐皮镰刀菌)的抑制活性和防治效果。[结果]烟草西柏烷二萜对4种真菌均具有较好抑制活性,其EC_(50)值分别为34.6、36.2、26.2、33.3 mg/L;西柏烷二萜在150、300 mg/L处理下,对三七根腐病的防效均优于化学药剂(多菌灵与菌核净交替使用),其中150 mg/L处理时三七主根产量也显著优于化学药剂。[结论]烟草西柏烷二萜在三七根腐病绿色防控中具有应用潜力。
[Aims]The study aims to explore the application value of cembranoid diterpenes against root rot pathogens of Panax notoginseng.[Methods]The mycelium growth rate method and pot experiment was used to determine the antifungal activity and control effect of cembranoid diterpenes against root rot pathogens of P.notoginseng(Alternaria panax,Cylindrocarpon destructans,Fusarium oxysporum,Fusarium solani).[Results]Tobacco cembranoid diterpenes had good antifungal activity against the above four fungi,and the EC_(50) values were respectively 34.6,36.2,26.2 and 33.3 mg/L.The control effect of cembranoid diterpenes against root rot pathogens of P.notoginseng at 150 and 300 mg/L was better than that of carbendazim/dimetachlone alternately.The taproot yield of P.notoginseng treated with 150 mg/L was also significantly better than that of chemical agents.[Conclusions]Tobacco cembranoid diterpenes have great potential application in green control of P.notoginseng root rot.
作者
刘雨露
范志勇
解胜男
孙菲菲
蒯雁
宗鹏
魏玉磊
王德勋
杜咏梅
LIU Yu-lu;FAN Zhi-yong;XIE Sheng-nan;SUN Fei-fei;KUAI Yan;ZONG Peng;WEI Yu-lei;WANG De-xun;DU Yong-mei(Tobacco Research Institute of Chinese Academy of Agricultural Science,Qingdao 266101,Shandong,China;Dali Tobacco Company of Yunnan Province,Dali 671000,Yunnan,China;China Tobacco Shandong Industrial Corporation,Qingdao 266101,Shandong,China)
出处
《农药》
CAS
CSCD
北大核心
2022年第5期374-377,共4页
Agrochemicals
基金
中国农业科学院科技创新工程(APTIP-TRIC05)
中国烟草总公司云南省公司重点项目(2019530000241015)。
关键词
烟草西柏烷二萜
三七根腐病
抑菌活性
盆栽防效
主根产量
tobacco cembranoid diterpenes
root rot pathogens of Panax notoginseng
antifungal activity
control effect of potted plants
taproot yield
