YANG Shuai,WANG Wen-zhong,WEI Qi,et al.Toxicity Test and Analysis of the Eugenol and Matrine to Two Main Disease of Potato[J].HEILONGJIANG AGRICULTURAL SCIENCES,2021,(11):35-38.[doi:10.11942/j.issn1002-2767.2021.11.0035]
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
- Title:
- Toxicity Test and Analysis of the Eugenol and Matrine to Two Main Disease of Potato
- 文献标志码:
- A
- 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2.101 4和2.442 1 mg·L-1，对马铃薯早疫病的EC50值分别为0.761 0 和0.875 2 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。
- Abstract:
- 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 2.101 4 and 2.442 1 mg·L-1 for black scurf and 0.761 0 and 0.875 2 mg·L-1for 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.
参考文献/References:
［1］谢从华.马铃薯产业的现状与发展[J].华中农业大学学报,2012 (1): 1-4.
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备注/Memo
收稿日期：2021-08-05