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Heat-treatment Effects of Agricultural Imports for Devitalization of Quarantine Weed Seeds

검역잡초종자 발아력 제거를 위한 수입농산물 열처리 효과

  • Moon, Kwang-Ok (Incheon International Airport Regional Agency, Animal and Plant Quarantine Agency) ;
  • Oh, Jin-Bo (Jeju Regional Agency, Animal and Plant Quarantine Agency) ;
  • Kyoung, Eun-Seon (Honam Regional Agency, Animal and Plant Quarantine Agency) ;
  • Lee, Yong-Ho (College of Life and Environmental Science, Korea University) ;
  • Hong, Sun-Hee (College of Life and Environmental Science, Korea University) ;
  • Kang, Byeng-Hoa (College of Life and Environmental Science, Korea University)
  • 문광옥 (농림축산검역본부 인천공항지역본부) ;
  • 오진보 (농림축산검역본부 제주지역본부) ;
  • 경은선 (농림축산검역본부 호남지역본부) ;
  • 이용호 (고려대학교 생명과학대학) ;
  • 홍선희 (고려대학교 생명과학대학) ;
  • 강병화 (고려대학교 생명과학대학)
  • Received : 2013.03.22
  • Accepted : 2013.06.03
  • Published : 2013.06.30

Abstract

Korea is carrying out weed quarantine by plant quarantine regulations including heat-treatment method to prevent the influx of exotic weeds. In order to confirm suitability for current heat-treatment criteria and find field-applicable methods which can completely devitalize quarantine weed seeds, the conditions for heat-treatment with/without 40% relative humidity were studied with 9 species among quarantine weed seeds and one weed species similar to quarantine weed. Dry heat-treatments had been tested under various temperatures and time conditions. All seeds were dead at the conditions of $95^{\circ}C$ for 48 hours, $100^{\circ}C$ for 36 hours, $110^{\circ}C$ for 24 hours, $121^{\circ}C$ for 4 hours and $130^{\circ}C$ for 30 minutes. Heat-treatments at 40% relative humidity resulted in complete seed death at the conditions of $85^{\circ}C$ for 36 hours and $90^{\circ}C$ for 16 hours. The above results show that current heat-treatment criteria are not suitable for several quarantine weeds and these conditions could be applied as a quarantine method to prevent the influx of quarantine weeds along with agricultural imports. More specific conditions for heat tolerant species such as Picris echioides and heat susceptible species such as Cuscuta spp. are necessary and will improve plant quarantine process in devitalizing quarantine weed seeds with different heat tolerances.

우리나라는 열처리방법을 포함한 식물검역규정에 의하여 외래잡초의 유입방지를 위한 잡초검역을 실시하고 있다. 현행 열처리기준의 적절성을 확인하고 검역잡초의 발아력을 완전히 제거하기 위한 열처리조건을 구명하여 식물검역에 활용하기 위하여 검역잡초 9종과 검역잡초와 유사한 잡초 1종의 종자를 재료로 하여 건열처리와 상대습도 40%의 습열처리에 의한 사멸조건을 연구하였다. 다양한 온도 및 시간별 건열처리 결과 $95^{\circ}C$에서 48시간, $100^{\circ}C$에서 36시간, $110^{\circ}C$에서 24시간, $121^{\circ}C$에서 4시간, $130^{\circ}C$에서 30분 처리 후 모든 종자가 사멸되었고, 상대습도 40%에서의 습열처리 결과 $85^{\circ}C$에서 36시간, $90^{\circ}C$에서 16시간 습열처리 후 모든 종자가 사멸하였다. 상기의 결과는 현행 열처리기준이 검역잡초 몇 종에는 적용하기에 적합하지 않음을 보여주며, 검역잡초종자의 발아력을 제거할 수 있는 이 열처리조건은 수입농산물을 통한 검역잡초의 유입을 방지하기 위한 검역의 한 방법으로 적용할 수 있을 것이다. Picris echioides와 같이 강한 내열성이 있는 종과 새삼속(Cuscuta spp.)과 같이 열에 민감한 종을 위한 별도의 열처리조건이 필요하며 이는 다른 내열성의 검역잡초 종자를 사멸시키는 검역업무의 효율성을 향상시킬 수 있을 것으로 사료된다.

Keywords

References

  1. Animal and Plant Quarantine Agency (QIA). 2011. Regulation for measures of grains and grasses contaminated with quarantine weed (Regulation of QIA No. 2011-49, Enforced Date: Jun. 15, 2011). Animal and Plant Quarantine Agency. Anyang, Korea. (In Korean)
  2. Animal and Plant Quarantine Agency (QIA). 2012. List of quarantine pest (Regulation of QIA No. 2012-136, Enforced Date: Aug. 13, 2012). Animal and Plant Quarantine Agency. Anyang, Korea. (In Korean)
  3. Anto, K.B. and Jayaram, K.M. 2010. Effect of treatment on seed water content and viability of green pea (Pisum sativum L.) and soybean (Glycine max L. Merr.) seeds. Int. J. Botany 6:122-126. https://doi.org/10.3923/ijb.2010.122.126
  4. Association of Official Seed Analysts (AOSA). 2007. Tetrazolium testing handbook #29. Association of Official Seed Analysts, Inc., NY, USA. pp. 1-23.
  5. Australian Quarantine and Inspection Service (AQIS). 2008. Quarantine risk material matrix. Australian Quarantine and Inspection Service. Canberra, Australia. p. 3.
  6. Boydston, R. A. 1989. Germination and emergence of longspine sandbur (Cenchrus longispinus). Weed Sci. 37:63-67.
  7. Canadian Food Inspection Agency (CFIA). 2001. Official letter from Canadian Health & Production division of CFIA related with phytosanitary measures for noxious weed seeds to NPQS on Aug. 16, 2001. Canadian Food Inspection Agency. Ottawa, Ontario, Canada.
  8. Dalquist, R.M., Prather, T.S. and Stapleton, J.J. 2007. Time and temperature requirements for weed seed thermal death. Weed Sci. 55:619-625. https://doi.org/10.1614/WS-04-178.1
  9. Hutchison, J.M. and Ashton, F.M. 1979. Effect of desiccation and scarification on the permeability and structure of the seed coat of Cuscuta campestris. Am. J. Bot. 66: 40-46. https://doi.org/10.2307/2442623
  10. International Plant Protection Convention (IPPC). 2010. https:// www.ippc.int (Official reports of each country, Nov. 17, 2010). International Plant Protection Convention. Rome, Italy.
  11. International Seed Testing Association (ISTA). 2003. Working sheets on tetrazolium testing. 1st edition Vol. I, II. International Seed Testing Association.
  12. International Seed Testing Association (ISTA). 2010. International Rules for seed testing. edit. 2010. International Seed Testing Association.
  13. Jayasuriya, K.M.G.G., Baskin, J.M., Geneve, R.L., Baskin, C.C. and Chien, C. 2008. Physical dormancy in seeds of the holoparasitic angiosperm Cuscuta australis (Convolvulaceae, Cuscuteae): Dormancy-breaking requirements, anatomy of the water gap and sensitivity cycling. Ann. Bot. 102:39-48. https://doi.org/10.1093/aob/mcn064
  14. Kim, C.S., Moon, B.S., Kuk, Y.I. and Oh, S.M. 2007. Distribution status of Cuscuta spp. in southern parts of Korea and germination characteristics of C. pentagona. Korean J. Weed Sci. 27:166-172. (In Korean)
  15. Kim, E.K., Jung, H.H. and Kim, K.S. 2008. Seed germination of Carex neurocarpa Maxim. is promoted by fluctuating temperatures and seed scarification. Hortic. Environ. Biotechnol. 49:162-167.
  16. Lyshede, O.B. 1984. Seed structure and germination in Cuscuta pedicellata with some notes on C. campestris. Nord. J. Bot. 4:669-674. https://doi.org/10.1111/j.1756-1051.1984.tb01992.x
  17. Ministry for Food, Agriculture, Forestry and Fisheries (MIFFAF). 2012a. Plant Protection Act (Act No. 10983). Ministry for Food, Agriculture, Forestry and Fisheries, Sejong, Korea. (In Korean)
  18. Ministry for Food, Agriculture, Forestry and Fisheries (MIFFAF). 2012b. Enforcement Rule of the Plant Protection Act. (Ordinance of MIFFAF No. 315). Ministry for Food, Agriculture, Forestry and Fisheries, Sejong, Korea. (In Korean)
  19. Ministry of Agriculture and Forestry of Newzealand (MAF). 2010. MAF standard BNZ-GCFP-PHR : Importation of grains/seeds for consumption, feed or processing. Biosecurity of MAF. Wellington, Newzealand.
  20. Park, S.H. 2009. Naturalized plants of Korea in pictures and miniatures. Ilchokak Inc., Seoul, Korea. pp. 496-497. (In Korean)
  21. Parsons, W.T. and Cuthbertson, E.G. 2001. Noxious weed of Australia. 2nd edition. pp. 540-544. CSIRO Publishing, Victoria, Australia.
  22. Prather, L.A. and Tyrl, R.J. 1993. The Biology of Cuscuta attenuata waterfall (Cuscutaceae). Proc. Okla. Acad. Sci. 73:7-13.
  23. Strasser, E.G. 1988. Studies on the use of dry heat to decontaminate niger seed (Guizotia abyssinica) infested with dodder seed (Cuscuta sp.). Seed Sci. Technol. 16:501-505.
  24. Twentyman, J.D. 1974. Environmental control of dormancy and germination in the seeds of Cenchrus longispinus (Hack.) Fern. Weed Res. 14:1-11. https://doi.org/10.1111/j.1365-3180.1974.tb01019.x
  25. United States Department of Agriculture (USDA). 2010. T400 (Schedules for miscellaneous products) in PPQ treatment manual. #5 Treatment schedules. APHIS, USDA, Washington, DC, USA.
  26. Weiss, P.W. 1980. Germination, reproduction and interference in the amphicarpic annual Emex spinosa (L.) Campd. Oecologia 45:244-251. https://doi.org/10.1007/BF00346465
  27. Wilson, R.G. 1979. Germination and seedling development of Canadian thistle (Cirsium arvense). Weed Sci. 27:146-151.

Cited by

  1. Phytosanitary Management of Dodder Seeds (Cuscuta spp.) Mixed in the Imported Seeds with the Dry Heat-treatment vol.5, pp.1, 2016, https://doi.org/10.5660/WTS.2016.5.1.10