2007•Gansu Nongye Daxue xuebaoRequires access

Toxicity tests of four kinds of fungicides to Fusarium oxysporum

Ma Hongwen

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Abstract

Toxicity tests of four kinds of fungicides and their mixture to Fusarium oxysporum were carried out using the method of colony growth.The results showed that the inhibitive effect of 40 % fiusilazole were better than that of other fungicides to Fusarium oxysporum.The cotoxicity coefficients of five kinds of mixture of fiusilazole and difenoconazole in the ratio of 1∶19,1∶24,1∶32,1∶49 and 1∶99 respectively were all larger than 100,and the synergism of the mixture in the ratio of 1∶24 was stronger than others.

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Toxicity tests of four kinds of fungicides and their mixture to Fusarium oxysporum were carried out using the method of colony growth.The results showed that the inhibitive effect of 40 % fiusilazole were better than that of other fungicides to Fusarium oxysporum.The cotoxicity coefficients of five kinds of mixture of fiusilazole and difenoconazole in the ratio of 1∶19,1∶24,1∶32,1∶49 and 1∶99 respectively were all larger than 100,and the synergism of the mixture in the ratio of 1∶24 was stronger than others.

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Available abstract

Toxicity tests of four kinds of fungicides and their mixture to Fusarium oxysporum were carried out using the method of colony growth.The results showed that the inhibitive effect of 40 % fiusilazole were better than that of other fungicides to Fusarium oxysporum.The cotoxicity coefficients of five kinds of mixture of fiusilazole and difenoconazole in the ratio of 1∶19,1∶24,1∶32,1∶49 and 1∶99 respectively were all larger than 100,and the synergism of the mixture in the ratio of 1∶24 was stronger than others.

Key concepts: Fungicide, Fusarium oxysporum, Fusarium, Toxicity, Biology, Horticulture, Chemistry, Organic chemistry

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