Sensitivity determination of two strains of Fusarium graminearum to 6 fungicides

doi:10.14088/j.cnki.issn0439-8114.2021.20.015

Abstract

Abstract: Using mycelium growth rate method, the sensitivity of two strains of Fusarium graminearum which isolate from north and central of Henan province was identified to the 6 fungicides. The results showed that the sensitivity of strains 18HX2-1 and 17LH01 to phenamacril, tebuconazole, carbendazim, hexaconzole, propiconazole, triadimefon were different, strain 18HX2-1 was higher sensitive to phenamacril, tebuconazole, carbendazim than strain 17LH01, and strain 17LH01 was higher sensitive to hexaconzole, propiconazole, triadimefon than strain 18HX2-1. The EC₅₀ of phenamacril, tebuconazole and carbendazim to two stains were less than 1 mg/L, which had better antimicrobial effect against two strains, and could be applied to control wheat scab.

Key words: wheat scab, Fusarium graminearum, fungicides, antimicrobial effect, sensitivity determination

CLC Number:

CHEN Li, YUAN Qian, FAN Zhi-ye, ZHAO Yong-tao, LIU Di, LI Shi-min. Sensitivity determination of two strains of Fusarium graminearum to 6 fungicides[J]. HUBEI AGRICULTURAL SCIENCES, 2021, 60(20): 84-86.

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