Individual and In-combination Toxicities of Six Fungicides for Controlling <i>Fusarium oxysporum</i> on <i>Cymbidium ensifolium</i>

HUANG Peng; CHEN Feng; YAO Jin-ai; YU De-yi

doi:10.19303/j.issn.1008-0384.2018.04.012

Volume 33 Issue 4

Mar. 2019

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Article Navigation > Fujian Journal of Agricultural Sciences > 2018 > 33(4): 396-400

HUANG Peng, CHEN Feng, YAO Jin-ai, YU De-yi. Individual and In-combination Toxicities of Six Fungicides for Controlling Fusarium oxysporum on Cymbidium ensifolium[J]. Fujian Journal of Agricultural Sciences, 2018, 33(4): 396-400. doi: 10.19303/j.issn.1008-0384.2018.04.012

Citation:

HUANG Peng, CHEN Feng, YAO Jin-ai, YU De-yi. Individual and In-combination Toxicities of Six Fungicides for Controlling Fusarium oxysporum on Cymbidium ensifolium[J]. Fujian Journal of Agricultural Sciences, 2018, 33(4): 396-400. doi: 10.19303/j.issn.1008-0384.2018.04.012

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Individual and In-combination Toxicities of Six Fungicides for Controlling Fusarium oxysporum on Cymbidium ensifolium

doi: 10.19303/j.issn.1008-0384.2018.04.012

HUANG Peng^1
,,
CHEN Feng¹,
YAO Jin-ai^{1, 2},
YU De-yi^{1, 2
,
,}

1.
Institute of Plant Protection, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350013, China
2.
Fujian Key Laboratory for Monitoring and Integrated Management of Crop Pests, Fuzhou, Fujian 350012, China

Received Date: 2018-02-12
Rev Recd Date: 2018-03-18
Publish Date: 2018-04-01

Abstract

Abstract

To select appropriate agents for effective controlling the stem rot disease on Cymbidium ensifolium, toxicities of 6 fungicides, either individually or in combination, were tested in laboratory. All 6 fungicides showed varying degrees of inhibition on Fusarium oxysporum, with EC₅₀ that ranked in the order of prochloraz>difenoconazole>carbendazim or trifloxystrobin>hymexazol or mancozeb. In combination, a synergism between difenoconazole and carbendazim, as well as between trifloxystrobin and carbendazim, was observed. The optimum ratio for the difenoconazole/carbendazim combination was 5/5 with a co-toxicity coefficient of 378.63, while that for trifloxystrobin/carbendazim, 8/2 with a coefficient of 247.80.
- Cymbidium ensifolium: stem rot,
- toxicity test,
- co-toxicity,

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References(11)

References

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