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차나무 간이 삽목상 적정 상토 및 삽목 시기에 관한 연구
이용호(Yong-Ho Lee),Seong-Tae Lee, 손길말(Gil-Man Shon),송근우(Geun-Woo Song),고영옥(Yong-Ok Ko),정용모(Yong-Mo Chung) 한국차학회 2004 한국차학회지 Vol.10 No.2
This study was carried out to investigate the suitable timing of cutting and good quality of bed soil for the tea plant. for the bed soil, decomposition of granite soil, perlite, and vermiculite were mixed with upland soil. The mixed bed soil was treated either within box(48×37×8cm) or rock wool culture medium pot and the cut tea plant was grown in the vinyl green house without heat treatment. The results are summarized as follows; 1. The highest rates of healing tissue formation and rooting were observed from the mixed bed soil with perlite and vermiculite(26.3% and 14.9% for 1st year and 78.3% and 54.3% fro the 2nd year, respectively). In addition, yields were increased up to 26.3% and 14.9%, respectively, compare to those of decomposition of granite soil. 2. The single bed soil with perlite showed the highest rates of healing tissue formation and rooting(70.0% and 61.3%, respectively) but the single bed soil with vermiculite having lower water potential showed the lowest rates(57.8% and 39.8%, respectively) 3. After 1 year of cutting tea plant at 20th of June, the highest rates of healing tissue formation and rooting were observed(78.3% and 55.3%, respectively) but the lowest rates were observed at 20th of April. 4. A similar trends were also obtained after 2nd year of cutting(75.0% and 53.5%, respectively). The lower rates were observed when the cutting time was either earlier or later then these dates. 5. In terms of production cost of nursery tea plant(2,200/10a), the highest amount was observed from the mixed bed soil with decomposition of granite soil and vermiculite(1,075 won) but the lowest amount(940 won) was from the mixed bed soil with perlite and vermiculite. In conclusion, for the small scale of cut tea plant, either mixed bed soil with perlite and vermiculite(1:1) of single bed soil of perlite would be the best when they are transferred to cutting bed at around 20th of June. And our results recommend that it would be suitable to transfer into the cutting bed soil around 20th of August avoiding the high temperature and moisture in July if you have no choice.
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이용호(Yong-Ho Lee*),송근우(Kun-Woo Song),고영옥(Yong-Ok Ko),김성만(Seong-Man Kim),정대수(Dae-Soo Chung) 한국차학회 2005 한국차학회지 Vol.11 No.2
본 시험은 1999년 3월부터 2000년 11월 까지 경남 농업기술원에서 자생차를 육묘․보급하기 위하여 육묘시 Pot 종류에 따른 발아율, 지상부 생육, 묘소질 상태, 신초엽색 출현 빈도 및 경제성을 비교․분석하여 차나무 육묘에 가장 적합한 크기를 구명하고자 시험한바 결과는 다음과 같다. 1. 발아율, 성묘율, 경수, 엽수, 엽장 및 건물중은 Cup Pot Ø16㎝ 처리구에서 높았고, 초장과 엽면적은 Net Pot Ø15㎝ 처리구에서 다소 높게 나타났다. 2. 지상부 및 지하부 생육 모두 Cup Pot Ø16㎝ 처리구에서 가장 양호하였으며, Cup Pot의 크기가 적을수록 생육이 부진하였다. 3. T/R율은 Cup Pot Ø16㎝ 처리구 및 Net Pot Ø15㎝ 처리구에서 각각 100% 및 114%로 나타났으며, Cup Pot 크기가 적을수록 높아지는 경향이었다. 4. 경제성면에서는 일반 농가 대비 Net Pot Ø15㎝에서 30%, Cup Pot Ø16㎝에서 50%가 절감되었다. This experiment was conducted to know the optimum planting pot size for raising seedling in wild tea tree(Camellia sinensis L.) for two years at Gyeongnam ARES. Agronomic traits like germination ratio, matured seedlings, number of tiller, leaf number, leaf length and dry weight were more and higher by planting at Ø16㎝ cup pot. When planted at Ø15㎝ net pot, plant height and leaf area per unit area were higher than those of Ø16㎝ cup pot. The growth of root and top were good by planting at Ø16㎝ cup pot showing 114 percent T/R ratio at Ø15㎝ cup pot. The income was higher at Ø16㎝ cup pot planting as compared to conventionel for raising seedling of tea plant.
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