• 제목/요약/키워드: horticulture

검색결과 3,510건 처리시간 0.172초

A study of the improvement of the national technical qualification practical evaluation method for National Competency Standards in the seed and horticulture industry

  • Hyun-Ho, Jang;Taek-Keun, Oh;Jwakyung, Sung
    • 농업과학연구
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    • 제48권4호
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    • pp.729-738
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    • 2021

  • The purpose of this study was to suggest an improvement plan ultimately to develop practical evaluation methods for national technical qualifications in the field of seeds and horticulture based on the National Competency Standards. Through this, national technical qualifications can be strengthened in terms of professionalism in the seeds and horticulture field. In order to conduct this study, the national technical qualification currently in use was matched to certain competency units and competency unit elements of National Competency Standards. We then visited an industrial site to understand the practical factors related to the technical, facility and equipment aspects of the seeds and horticulture industrial field, after which a practical evaluation exam was developed. Also, for a feasibility study, a pilot test assessment was conducted for students majoring in seeds and horticulture, with a survey also conducted with field experts and an advisory committee consisting of experts in seeds and horticulture. Based on the results, by suggesting an improvement plan for a practical evaluation method leading to better national technical qualifications in the field of seeds and horticulture, it was shown to be possible to improve knowledge, technical, and literacy aspects. This can lead to the training of outstanding technical professionals. Ultimately, the results here are expected to contribute to the improvement of the seeds and horticulture industry.

  • https://doi.org/10.7744/kjoas.20210061 인용 PDF KSCI

Breeding of Tetraploid in Codonopsis lanceolata (Sieb. et Zucc.) Trautvetter by Colchicine Treatment

  • Kim, Ik-Hwan;Kim, Hag-Hyun;Hong, Eui-Yon;Yun, Jong-Sun;Yun, Tae;Hwang, Ju-Kwang;Lee, Cheol-Hee
    • Plant Resources
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    • 제6권3호
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    • pp.227-232
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    • 2003

  • Present studies were carried out to produce tetraploid plants by colchicine treatment using seeds, seedlings and shoot tips of Codonopsis lanceolata. Three tetraploid plants of C. lanceolata were produced from seeds which absorbed 0.1 % colchicine solution for 12 hours, and 0.5% colchicine solution for 1 and 6 hours from seedlings, respectively. But tetraploid was not produced from shoot tips treated by colchicine solution. Compared to diploid, tetraploid plants had larger stomata, but less number of stomata. Fresh weight of tetraploid plants was 1.4∼3.6 times heavier than diploid plants.

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Breeding of Tetraploid in Platycodon grandiflorum (Jacq.)A. DC. by Colchicine treatment

  • Kim, Ik-Hwan;Kim, Hag-Hyun;Hong, Eui-Yon;Yun, Jong-Sun;Yun, Tae;Hwang, Ju-Kwang;Lee, Cheol-Hee
    • Plant Resources
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    • 제6권3호
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    • pp.188-194
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    • 2003

  • Present studies were carried out to produce tetraploid plants by colchicine treatment using seeds, seedlings and shoot tips of Platycodon grandiflorum in Campanulaceae. The most successful colchicine treatment for tetraploid production in P. grandiflorum was soaking treatment using 0.01 and 0.5% colchicine solution for 1 hour and 12 hours, respectively. Morphological characteristics of both diploid and tetraploid were similar, but tetraploid plants had more leaves. Compared to diploid, tetraploid had the larger stomata, but less number of stomata. Fresh weight of tetraploids was 20∼40% heavier than that of diploid.

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