Korean Journal of Organic Agriculture (한국유기농업학회지)

Korean Association of Organic Agriculture (한국유기농업학회)
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Effect of Agricultural Organic Materials Using Sulfur and Oil on Insect Control in Pepper and Tomato

오일제제, 유황제제를 활용한 고추, 토마토 해충방제 효과

  • Nam, Chun-Woo (National Institute of Horticultural & Herbal Science, RDA) ;
  • Cho, Young-Sang (JaDam) ;
  • Moon, Hee-Ja (National Institute of Horticultural & Herbal Science, RDA) ;
  • An, Se-Woong (National Institute of Horticultural & Herbal Science, RDA) ;
  • Seo, Tae-Cheol (National Institute of Horticultural & Herbal Science, RDA) ;
  • Chun, Hee (National Institute of Horticultural & Herbal Science, RDA)
  • Received : 2017.07.03
  • Accepted : 2017.10.18
  • Published : 2017.11.30
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Abstract

This experiment was carried out to determine the optimal concentration of agricultural organic materials using sulfur and oil for the insect pest control in pepper and cherry tomato cultivation. The control value of aphids and Oriental tobacco budworm (OTB) was examined one day after spraying with sulfur preparation (SP) (0.33~0.17%), oil preparations (OP) (2.00~0.33%), SP+OP, OP+ginkgo leaf extracts (GLE), SP+OP+GLE on the "Super Manidaa"pepper. The aphid control in pepper was complete by applications of SP+OP (0.25+1.00%) in the early growth stage and the control value was above 98.1% by the application of OP+GLE (1.00+1.00 %), SP+OP+GLE (0.25+1.0+1%), SP+OP+GLE (0.25+1.0+0.5%) in the middle to late growth stage while showing 0% in the control treatment. The OTB was completely controlled by the 3 times application with the high concentration of SP+OP (0.25+1.00%) in pepper cultivation. This result indicates that the oil and the sulfur preparations should be applied at low concentration before insect pests do not appeared, and then sprayed at the high concentration after they appear at pepper plant. The greenhouse whitefly in 'Minichal' tomatoes was completely controlled by three times application of SP (0.25~0.33), OP (1.0~2.00%). and all the treatment of SP+OP. However, continuous control with intervals of 1~3 days was considered favorable in the tomato plant. By the periodical control with agricultural organic materials using sulfur and oil, the greenhouse whitefly, which is a high-temperature insect pest, several moths of OTB did not occur at all. In conclusion, SP+OP (0.17%+0.33%) treatment was the most economical combination to control the aphid, OTB, and greenhouse whitefly in pepper and tomato cultivation when considering operating cost. In addition, we recommend that SP should not be sprayed on the plant shoots during the day time from July to August because of high temperature.

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References

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