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해가림자재 조합에 따른 인삼『K-1』의 생육특성 변화

Growth Characteristics of 4-Year-Old 『K-1』 Ginseng Variety (Panax ginseng C. A. Meyer) According to the Treatments of Shading Materials

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한국약용작물학회 (The Korean Society of Medicinal Crop Science)
초록

Background : This study is designed to select the best shading materials for the 4-year old ginseng K-1 variety by examining the light volume, photosynthesis and growth characteristics of ginseng. Methods and Results : The ginseng seedling was transplanted in the 7 lines x 9 rows (63 plants)/ 1.65 ㎡. The shading materials were installed in the form of rear line with 170 ㎝ high for front pole and 100 ㎝ high for rear pole. The installation of shading materials were installed in combination of polyethylene, blue polyethylene sheet + polyethylene, polyethylene + polyethylene, polyethylene + aluminium screen 70%, polyethylene + aluminium screen 100%, aluminium shade plate to inspect the photosynthesis and ginseng's growth characteristics. The photosynthetic rate was measured on the middle of small leaf using the photosynthetic tester (L1-6400, Li-COR) a t 10 : 00 – 14 : 00 on a clear day with the light volume of 100, 200, 400, 600, 800, 1,000, 1,400, 1,800 μmol s-1m-2.For the ginseng K-1, which is 4-years old, the aerial parts growth (such as survival rate, height of plant, length of stem, diameter of steam and length of leaf) and underground part (length, diameter and weight of root) were examined in 2016. As for the PAR (photosynthetically active radiation), the aluminum shade plate showed the best performance while the polyethylene + polyethylene showed the least. As for the photosynthetic rate, the following order was shown in the decreasing order: blue polyethylene sheet + polyethylene > polyethylene > aluminium shade plate ≒ polyethylene + aluminium screen 100%, > polyethylene + polyethylene > polyethylene + aluminium screen 70%. As for the survival rate for 4-year old ginseng, the polyethylene + aluminium screen 70% showed the highest survival rate with 91.0%. As for the growth of aerial part of ginseng, the polyethylene and polyethylene + polyethylene showed the best growth. As for the underground part of ginseng, the polyethylene, blue polyethylene sheet + polyethylene, and polyethylene + polyethylene showed the best growth in the length of roots and length of main root while polyethylene and blue polyethylene sheet + polyethylene showed the best growth in the weight of roots. Conclusion : In conclusion, considering the characteristics of photosynthesis and the underground parts of ginseng, it was found that the best shading materials for K-1 4-year old ginseng is blue polyethylene sheet + polyethylene.

저자
  • Young Nam An(Gyeonggido Agricultural Research and Extension Services) | 안영남 Corresponding author
  • Jeong A Han(Gyeonggido Agricultural Research and Extension Services) | 한정아
  • Ho Seob Soh(Gyeonggido Agricultural Research and Extension Services) | 소호섭
  • Eun Seob Yi(Gyeonggido Agricultural Research and Extension Services) | 이은섭
  • Young Hee Han(Gyeonggido Agricultural Research and Extension Services) | 한영희