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RISS 인기검색어
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- 저자 : 이진호(Jin-HO Lee) · 이민석(Min-Seuk Lee) · 이정대(Jung-dae Lee) · 유주(Ju Yoo) · 김영걸(Young-Gul Kim) (검색결과 2 건)
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이진호(Jin-Ho Lee),이민석(Min-Seuk Lee),이정대(Jung-Dae Lee),유주(Ju Yoo),고광섭(Kwang-Sup Ko),김영걸(Young-Gul Kim) 한국차학회 2007 한국차학회지 Vol.13 No.3
차나무에서 가을정지 시기가 다음해 첫물차의 생육과 품질에 미치는 영향을 구명하기 위하여 조생, 중생, 만생의 3품종에서 가을정지를 9/26, 10/6, 10/16, 10/26로 처리시기를 달리하여 생육특성과 품질을 평가하였다. 품종의 조만성에는 상관없이 모든 품종에서 가을정지 시기가 빠를수록 아장과 백아중의 증가가 빨리 진행되었다. 가을정지 시기가 빠를수록 첫물차 개엽수의 진행도 빨리 진행되어 성숙도가 높아졌으며 수량도 많아졌다. 반면에 품질면에서는 가을정지 시기가 빠를수록 품질과 정의 상관관계가 높은 전질소, 유리아미노산, 데아닌의 함량은 낮아지고 부의 상관관계가 있는 섬유소의 함량은 높아짐을 알 수 있었다. 또한 가을정지 시기를 조절함에 의해서 품종의 조만성을 극복할 수 있을 정도로 생육의 진행도를 변화시킬 수 있을 것으로 판단되었다. This study was conducted to determine the autumn skiffing time on growth and quality of first crop tea in three cultivars(Camellia Sinensis var. Sayamakaori, Yabukita, Kanayamidori). The autumn skiffings of four different times, such as 26 Sepember, 6 October, 16 October and 26 October, were conducted. According to the experiment, the earlier skiffing time was, the earlier increase pattern of bud length and bud weight in first crop tea that we could get in all tea cultivars. The result suggested that at the early skiffing time, the number of opened leaves and yield got higher. Contrarily, in a quality of first crop tea, the chemical constituents(total nitrogen, free amino acids, theanine) content that had positive correlation to green tea quality showed a lower response to earlier autumn skiffing time. But the chemical constituent(neutral detergent fiber) content that had negative correlation to green tea quality also showed a higher response. In conclusion, varying skiffing time is recognized to control growth, yield and quality of first crop tea as surpass earliness of tea cultivars.
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차나무(Camellia sinensis)에서 剪枝처리의 强度와 時期가 생육 및 품질에 미치는 영향
이진호(Jin-HO Lee) · 이민석(Min-Seuk Lee) · 이정대(Jung-dae Lee) · 유주(Ju Yoo) · 김영걸(Young-Gul Kim) 한국차학회 2006 한국차학회지 Vol.12 No.2
Pruning is one of the most effective techniques in the tea cultural practice that controls the formation of trunks and branches. In order to find out the suitable intensity and time for pruning, we had tea plants pruned at two different times varying the pruning intensity : tea plants were first pruned at a height of 50cm, 60cm, and 70cm from the surface of the earth respectively on May 30th, 2004, which was 15 days later after the first tea crop, and the second pruning was done at a height of 50cm, 55cm, 60cm, and 65cm from the surface of the earth on July 11th, 2004, 15 days later after the second tea crop. According to the experiment, the more intensive pruning was, the longer bud length and the more opened leaves we could get regardless of the time. It also showed the result that as a pruning position was lowered, the sprouting rate got higher. In addition, the first tea crop showed a lower response to higher pruning intensity, while the yield at the unit area(20cm 20cm) increased except 50cm pruning after the second tea crop. Finally, both the whole and unit area yield turned out to be low when pruned below 50cm after the second tea crop. Therefore, it is considered as a noneffective pruning condition. In conclusion, varying pruning conditions is not recognized to affect on the quality of the first tea crop, because there is no meaningful correlation between chemical component content of tea leaves and different pruning conditions.
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