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      • 원예종자 산업의 전망과 품종 육성의 방안

        강점순 密陽産業大學校 農業技術開發硏究所 1999 農業技術開發硏究所報 Vol.3 No.3

        The horticultural seed industry has made great progress in the last fifty years of its history. The industry has accomplished self-sufficiency in major vegetable seeds and in certain crops seeds has even export foreign country. However, the industry as facing a crisis at present coming from excessive competition among the domestic seed companies as well as the foreign currency crisis of the country. Several major seed companies have already been acquired by multinational corporations. We propose some ideas for the progress of the seed industry. Public institutions and policy makes should do such things in cooperation as training human resources for future breeders, securing a wide rage of genetic resources and improvement of the management system. Basic cience research including biotechnology, releasing breeding stocks from gerplasm enhancement though use of exotic accessions.

      • 들깨 종자의 생장조절제 처리가 발아에 미치는 영향

        강점순,최영환,손병구 밀양대학교 농업기술개발연구소 2000 農業技術開發硏究所報 Vol.4 No.1

        The effect of plant growth regulators on perilla(Perilla ocymoides L.) germination was evaluated in the laboratory at 15℃, 20℃ and 25℃. Seeds of perilla cultivars 'Ipdulgge', 'Miryang', 'Yeupsil', 'Jukjaso' and 'Chungjaso' were dark-treated in varied level solution of gibberellic acid(GA3), 6-benzylaminopurine(BAP) and combined GA3 with BAP for a 1 day at 20℃. The effect of plant growth regulators varied among cultivar. Plant growth regulators treated did not affect percentage germination of all perilla seeds, but showed shorter number of days to 50% of the final germination(T50) and mean number of days to germination(MDG) than those untreated seeds. The germination behavior of all cultivar was highly correlated with plant growth regulators kinds and their concentrations. GA3 had to improve germination in 'Miryang', 'Yeupsil', 'Jukjaso' and 'Chungjaso', but the effect varied with applying level. GA3 250μ M treatment showed higher percent germination and shorter T50 and MDG of 'Ipdulgge' perilla than those of untreated, when the seeds were germinated at 15℃ , 20℃ and 25℃. When plant growth regulator treatment in 250μ M GA3 + 250μ M BAP of 'Miryang', in 250μ M GA3 of 'Yeupsil' and 'Chungjaso', and 100μ M GA3 + 100μ M BAP of 'Jukjaso' perilla seeds exhibited a faster rate of germination then those untreated seeds.

      • 토양함수율이 당근 펠렛종자의 묘출현율에 미치는 영향

        강점순,최영환,손병구,이용재,안종길 密陽大學校 生命資源開發硏究所 2003 生命資源開發硏究 Vol.7 No.-

        펠렛 피복물질 중 diatomaceous earth는 입단 형성이 우수하였으나, calcium carbonate는 입단 형성이 불량하였다. Bentonite로 펠렛된 종자는 기계화 파종에 견딜 수 있는 경도를 보유하고 있었으나, calcium carbonate 로 펠렛된 종자는 기계화 파종하기에는 경도가 너무 낮았다. 펠렛종자의 출현율은 토양함수율과 펠렛 피복물질에 따라 차이가 있었다. 토양함수율이 60% 조건에서는 수분보온력이 높은 피복물질인 bentonite로 펠렛된 종자가 출현율이 높았고 출현속도도 빨랐다. 반면 100% 토양함수율에서는 calcium carbonate 펠렛된 종자들이 묘출현이 가장 높았다. 전반적으로 diatomaceous earth 로 펠렛된 종자는 토양함수율에 조건에 관계없이 높은 묘출현율을 보였다. Among the pelleting solid materials tested in this study, calcium carbonate and bentonite were characterized respectively by low and high water-holding capacity. The seeds pelleted with calcium carbonate emerged better in wet soil, whereas those pelleted with bentonite emerged better in dry soil. Result indicated the necessity of using different pelleting solid materials depending on water availability in the soil. However, the emergence of the seeds pelleted with diatomaceous earth was largely unaffected by soil water concentrations.

      • KCI등재

        식물생장조절제 및 priming 처리가 금어초 종자의 발아와 초기생육에 미치는 영향

        강점순,최인수,Kang Jum-Soon,Choi In-Soo 한국생명과학회 2006 생명과학회지 Vol.16 No.3

        금어초에서 발아율을 증진시킬 수 있는 생장조절제 최적 처리조건은 $GA_3\;250{\mu}M$ 처리였다. 생장조절제 종류 중 $GA_3$가 BAP보다 발아증진 효과가 높았다. 그러나 $GA_3+BAP$ 혼용하면 발아촉진의 상승작용은 크지 않았다. 금어초에서 발아력을 극대화시킬 수 있는 최적 priming조건은 200 mM의 $KNO_3$ 화학제로 2일간 처리였는데, 무처리에 비해 발아율은 14% 증진되었고, 발아일수는 3.5일 단축되었다. 금어초의 발아적온은 $15{\sim}25^{\circ}C$였고, $30^{\circ}C$ 이상의 온도에서는 발아율이 20% 이하로 저하되어 금어초는 저온발아성 종자였다. 금어초는 발아중에 주어지는 광조건에 따라 발아율이 달랐다. 암상태에서는 저조한 발아율을 보였으나 발아과정중에 적색광이 주어지면 암조건에 비해 발아율이 $15{\sim}20%$ 상승되었다. 금어초에서 묘출현율과 초기생육을 향상시킬 수 있는 파종전 종자처리는 단독 $GA_3$ 및 priming처리보다는 priming과 $GA_3$ 조합한 처리였다. In this study, we investigated the effect of growth regulators, seed priming, and light condition for the germination and early growth in Snapdragon (Antirrhinum majus L.). The optimum concentration of growth regulator for the promotion of germinability turned out to be 250 uM of $GA_3$. The germination enhancement in combination of $GA_3+BAP$ was not significant. The optimum priming condition for the maximum germinability was 2 day treatment of 200 mM of $KNO_3$. which increased germination by 14% and shortened the day to germination by 3.5 days. The optimum temperature for germination was $15{\sim}25^{\circ}C$. The germination frequency was decreased to lower than 20% at $30^{\circ}C$, which showed that seeds of Snapdragon germinates better at low temperature than high temperature. The germination frequency was different at light condition; it was low at dark condition, but was increased by $15{\sim}20%$ at red light condition. The combination of $GA_3$ and seed priming showed better germinability than the single treatment of $GA_3$ and seed priming.

      • 당근 펠렛종자에 살균제 첨가가 묘출현과 초기생육에 미치는 영향

        강점순,최영환,손병구,이용재,안종길 密陽大學校 生命資源開發硏究所 2003 生命資源開發硏究 Vol.7 No.-

        입고병균인 Phythium uitimum을 접종시킨 토양에 살균제를 첨가한 펠렛종자는 이를 첨가하지 않은 펠렛종자에 비해 묘출현이 현저하게 증가되었다. 두 품종 모 두 펠렛종자의 묘출현과 50% 묘출현에 소요되는 일수는 살균제의 종류보다는 처리농도에 의해 더 큰 영향을 받았다. 살균제 종류는 전반적으로 Redomil이 Captan보단 펠렛종자의 출현율 증진에 좋았다. 최적 살균제 첨가조건은·Redomil 1000mg ·L^(-1) 첨가였다. 유묘의 초기생육은 살균제가 첨가된 펠렛종자와 이를 첨가하지 않지 않은 펠렛종자간 유의성은 인정되지 않았으나, 전반적으로 살균제가 첨가된 펠렛종자에서 유묘생장이 높았다. Incorporating 1,000-ppm Redomil to pelleted seeds was helpful in establishing the stand in the Pythium-inoculated soil. When pelleted seeds were germinated in the soil inoculated with Pythium ultimum, percent seedling emergence was 26.4% for 'Inari' and 18.2% for 'Mansan' carrot. However, incorporating a fungicide, Redomil, into the seed being pelleted increased the percentages by 38.4% for 'Inari' and 39.5 % for 'Mansan'. Redomil incorporation did not increase percent emergence when planted in sterilized soils. Seedling growth measured 35 days after planting did not differ regardless of Redomil incorporation.

      • 생장조절제 처리가 파 종자의 발아성 증진에 미치는 영향

        강점순,김태구,이용재,최영환,손병구,안종길 密陽大學校 生命資源開發硏究所 2002 生命資源開發硏究 Vol.6 No.-

        The effect of plant growth regulators on the germination was evaluated in the laboratory at 15℃, 20℃ and 25℃ of Welsh onion seeds. The optimum treatments of the various plant growth regulators to improve seed germination of the Welsh onion was also estimated. There were no significant effects of growth regulators on the germination percentage, but germination was faster according to the number of days to 50% of the final germination (T_50) and the mean number of days to germination (MDG) than those of the control. Germinability was increased when the seeds were soaked in gibberelic acid (GA_3) solution for 24hrs, even though there was no synergy effect on the germinability when GA_3 was mixed with 6-benzylaminopurine (BAP). The optimum treatment for improving germination of Welsh onion was observed when the tested seeds was soaked in 500μM of GA_3 at 20℃ for 24hrs. Also, when the seeds soaked in the aforementioned treatment, the rate of germination was increased at lower temperature than at 20℃, the optimal temperature.

      • 당근 펠렛종자의 파종효율성과 유묘출현에 미치는 영향

        강점순,최영환,손병구,안종길,이용재 密陽大學校 生命資源開發硏究所 2002 生命資源開發硏究 Vol.6 No.-

        This study was carried out to development and investigate integrated mechanization system on culture in carrot. Compared with the conventional hand planting, use of a mechanical planter for pelleted seeds resulted in a saving of seed by 90% and of planting time by 22.5 hours. An additional saving of 46 hours was obtained for thinning the seedlings. Besides a 90% saving of seeds, planting and thinning could be done only in 3.5 hours per 10-a field when the pelleted seeds were planted with a planter. This reduction in work hours sharply contrasted to 72 hours required for hand-planting the naked seeds and more thinning hours that came with it. All this was translated to a reduction of labor by more than 95%. SMP before pelleting not only increased the percentage of seedling emergence in the field but tended to induce an earlier germination by I day. By combining the seed treatment and pelleting techniques developed in this study, a labor-saving production system for carrots may now be realized. However, in order for these technologies to be fully adapted under field conditions, further studies are needed to refine some areas of the technology that still remain unresolved.

      • 들깨 종자 코팅의 폴리머 및 고형물질이 발아력에 미치는 영향

        강점순,손병구,최영환,안종길 밀양대학교 농업기술개발연구소 2000 農業技術開發硏究所報 Vol.4 No.1

        The purpose of seed coating is to make seedling mechanization possible by enlarging the seed size. The objective of this study was to determine the optimum of polymer and particulate matters for seed coating in perilla. There were significant differences of percent germination and germination speed in accordance with the coating polymer and the concentration. Among the coating polymer, germination of seeds using polyvinyl alcohol (PVA) was generally smooth, and followed by polyvinyl pyrrolidone (PVP), hydroxyethyl cellulose (HEC), and methyl cellulose (MC). The germination rate was also different according to the coating particulate matters. Generally, percentage germination and germination speed of seeds using the mixture of diatomaceous earth, talc and bentonite were higher and faster than using other coating materials, respectively. However, percentage germination using limestone was low, and percent germination of coated seeds with coating material showed the tendency of decreasing more than that of the seeds just added with coating particulate matters.

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