발아증진 및 소독을 위한 물리적 방법을 이용한 종자처리 기술
Physical Seed Treatment Techniques for Germination Enrichment and Seed Sterilization
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S ince seeds can be directly used as food resources as well as for crop cultivation orpreservation of genetic resources, it is essential to develop high-quality seed processing technology toincrease agricultural productivity. Seed treatment means processing technologies of seeds throughphysical or chemical treatment processes from after harvesting seeds to before sowing of seeds toimprove germination and growth rate, durability, and immunity, etc. Since chemical seed treatmenttechnology using pesticides or plant growth regulators has problems of environmental pollution andhuman toxicity, it is desired to develop an alternative technology. As a physical seed treatment method,various technologies such as ionizing radiation, plasma, microwave, and magnetic field are beingdeveloped, and some of them are being used practically. In this paper, I will summarize the mechanismof seed priming and disinfection, and the advantages and disadvantages of application, focusing on thesephysical seed treatment methods. Low dose or moderate intensity ionizing radiation, microwave, lowtemperatureplasma, and magnetic field treatments often promoted seed germination and seedlinggrowth. However, effective removal of direct seed pathogens at these treatment intensities appears tobe difficult. And it has been shown that relatively high-dose electron beam treatment using low-energyelectron beams kills microorganisms on the seed surface and hull layer while not damaging the innertissue of the seed, and is also effectively used for seed treatment on a commercial scale. In order to putthe physical seed treatment technology to practical use in Korea, it is necessary to develop an economicalscale treatment device along with the development of individual treatment technology to each crop.
Abstract
S ince seeds can be directly used as food resources as well as for crop cultivation orpreservation of genetic resources, it is essential to develop high-quality seed processing technology toincrease agricultural productivity. Seed treatment means processing technologies of seeds throughphysical or chemical treatment processes from after harvesting seeds to before sowing of seeds toimprove germination and growth rate, durability, and immunity, etc. Since chemical seed treatmenttechnology using pesticides or plant growth regulators has problems of environmental pollution andhuman toxicity, it is desired to develop an alternative technology. As a physical seed treatment method,various technologies such as ionizing radiation, plasma, microwave, and magnetic field are beingdeveloped, and some of them are being used practically. In this paper, I will summarize the mechanismof seed priming and disinfection, and the advantages and disadvantages of application, focusing on thesephysical seed treatment methods. Low dose or moderate intensity ionizing radiation, microwave, lowtemperatureplasma, and magnetic field treatments often promoted seed germination and seedlinggrowth. However, effective removal of direct seed pathogens at these treatment intensities appears tobe difficult. And it has been shown that relatively high-dose electron beam treatment using low-energyelectron beams kills microorganisms on the seed surface and hull layer while not damaging the innertissue of the seed, and is also effectively used for seed treatment on a commercial scale. In order to putthe physical seed treatment technology to practical use in Korea, it is necessary to develop an economicalscale treatment device along with the development of individual treatment technology to each crop.
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