植物源农药丁子香酚与苦参碱对两种马铃薯主要病害的毒力测定及评价  

Toxicity Test and Analysis of the Eugenol and Matrine to Two Main Disease of Potato

作　　者：杨帅[1] 王文重[1] 魏琪[1] 董学志[1] 毛彦芝[1] 王玲[2] 郭梅[1] 李学敏 YANG Shuai;WANG Wen-zhong;WEI Qi;DONG Xue-zhi;MAO Yan-zhi;WANG Ling;GUO Mei;LI Xue-min(Potato Institute,Heilongjiang Academy of Agricultural Sciences,Harbin 150086,China;Institute of Crop Cultivation and Tillage,Heilongjiang Academy of Agricultural Sciences,Harbin 150086,China;Yakeshi Senfeng Potato Industry Limited Company,Yakeshi 022150,China)

机构地区：[1]黑龙江省农业科学院马铃薯研究所,黑龙江哈尔滨150086 [2]黑龙江省农业科学院耕作栽培研究所,黑龙江哈尔滨150086 [3]牙克石森峰薯业有限责任公司,内蒙古牙克石022150

出　　处：《黑龙江农业科学》2021年第11期35-38,共4页Heilongjiang Agricultural Sciences

基　　金：国家重点研发计划(2017YFE0115700);黑龙江省自然科学基金(优秀青年基金)(JJ2019YX0977)。

摘　　要：为筛选防治马铃薯黑痣病和早疫病的高效低毒植物源杀菌剂,降低有效用药量,提高防治效果,本研究采用菌丝生长速率法测定植物源农药丁子香酚和苦参碱对马铃薯黑痣病菌和早疫病菌的毒力,分别以咯菌腈和代森锰锌为对照。结果表明:1.1%丁子香酚和1.5%苦参碱对两种病原菌均具有较好的毒力,对马铃薯黑痣病的EC50值分别为2.1014和2.4421 mg·L^(-1),对马铃薯早疫病的EC50值分别为0.7610和0.8752 mg·L^(-1),显著性分析表明1.1%丁子香酚和1.5%苦参碱之间抑菌效果差异不显著,但相对于对照药剂均表现为差异显著,说明与病原菌防治常规药剂相比这两种植物源药剂均具有较好的室内抑菌效果。In order to screen high efficiency and low toxicity botanical fungicides for against the black scurf and early blight of potato,reduce the effective dosage and improve the control effect,the mycelium growth rate method was used to test the toxicity of botanical fungicides eugenol and matrine,and using fludioxonil and mancozeb as the control.The results showed that both two botanical fungicides had better effect on inhibiting the growth of two pathogens,and the EC50 values of 1.1%eugenol and 1.5%matrine were 2.1014 and 2.4421 mg·L^(-1) for black scurf and 0.7610 and 0.8752 mg·L^(-1) for early blight,respectively.The significance analysis showed that the inhibition effect of 1.1%eugenol and 1.5%matrine was not significant,but compared with the control chemicals,both showed significant differences.The results indicated that the two botanical fungicides had better indoor inhibition effects than the conventional chemicals for the control of pathogens.

关 键 词：丁子香酚 苦参碱 马铃薯黑痣病 马铃薯早疫病 毒力测定 

分 类 号：S43[农业科学—农业昆虫与害虫防治]