HU Yue, ZHOU Han-yu, TAN Li-chao. Study on the Synergetic Effect of Avermectins and Plant Essential Oils Used in Combination Against Tetranychus cinnabarinus[J]. PLANT HEALTH AND MEDICINE, 2021, (1): 57-61. doi: 10.13718/j.cnki.zwys.2021.01.011
| Citation: |
HU Yue, ZHOU Han-yu, TAN Li-chao. Study on the Synergetic Effect of Avermectins and Plant Essential Oils Used in Combination Against Tetranychus cinnabarinus[J]. PLANT HEALTH AND MEDICINE, 2021, (1): 57-61. doi: 10.13718/j.cnki.zwys.2021.01.011
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Study on the Synergetic Effect of Avermectins and Plant Essential Oils Used in Combination Against Tetranychus cinnabarinus
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1. Chongqing Landscape and Gardening Research Institute, Chongqing 401329, China;
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2. Chongqing Urban Landscaping Engineering Technology Research Center, Chongqing 401329, China
More Information
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Received Date:
19/01/2021
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MSC:
TQ450.1;S433.7
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Abstract
To obtain the compound formulations of plant essential oil and avermectin with good acaricidal activity against Tetranychus cinnabarinus, the synergistic effects of essential oils of lemongrass, patchouli, pheasant pepper and Asian peppermint on avermectin were evaluated with the co-toxicity factor method and the co-toxicity coefficient method. A bioactivity test results showed that the essential oils of lemongrass and patchouli had no effect against T. cinnabarinus, and the LC50 of pheasant pepper and Asian peppermint essential oils was 772.801 and 1 040.187 mg·L-1 after 24 h treatment, respectively. The results of co-toxic factor assay showed that the combination of abamectin and Asiatic mint 1∶272 and 1∶679 had synergistic effect, and the results of co-toxicity coefficient showed that the co-toxicity coefficient of abamectin combined with Asiatic mint at 1∶400 was the largest. In conclusion, the compounding of abamectin and Asian peppermint essential oil (1∶400) has an obvious synergistic effect against mites, which provides a theoretical basis for the development and application of acaricide.
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