6种杀菌剂对番茄枯萎病菌的毒力测定

doi:10.3969/j.issn.2096-1197.2019.03.18

Journal of Northern Agriculture ›› 2019, Vol. 47 ›› Issue (3): 98-101.doi: 10.3969/j.issn.2096-1197.2019.03.18

• Soil and fertilizer·Plant protection • Previous Articles Next Articles

Toxicity tests of six fungicides against tomato Fusarium oxysporum f. sp. lycopersici

WANG Yi¹, ZHAO Lingling¹, YANG Xuefeng¹, CHEN Haijun¹, SHAO Ke¹, LIU Honglin², HOU Yaguang¹

1.Inner Mongolia Biological Technology Research Institute,Hohhot 010020,China;
2.Institute of Grassland Research of Chinese Academy of Agricultural Sciences,Hohhot 010018,China

Received:2019-05-23 Online:2019-06-20 Published:2019-12-10

Abstract

Abstract: In order to screen the fungicides for effective control of tomato Fusarium oxysporum f. sp. lycopersici,the toxicity of six fungicides were tested using the mycelium growth rate inhibition methods.The six fungicides were 75% chlorothalonil WP,99% hymexazol WP,70% thiophanate-methyl WP,30% metalaxyl-hymexazol AS,50% captan WP and 80% mancozeb WP.The results showed that thiophanate-methyl had the best toxicity with an EC₅₀ of 1.10 mg/L.Therefore,70% thiophanate-methyl WP can be used as an effective fungicide to control tomato Fusarium oxysporum f. sp. lycopersici.

Key words: Fusarium oxysporum f. sp. lycopersici, Thiophanate-methyl, Toxicity determination

CLC Number:

S436.412

WANG Yi, ZHAO Lingling, YANG Xuefeng, CHEN Haijun, SHAO Ke, LIU Honglin, HOU Yaguang. Toxicity tests of six fungicides against tomato Fusarium oxysporum f. sp. lycopersici[J].Journal of Northern Agriculture, 2019, 47(3): 98-101.

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Toxicity tests of six fungicides against tomato Fusarium oxysporum f. sp. lycopersici

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