본 실험은 장미 삽수의 조제방법이 발근과 발근 후 생육에 미치는 영향을 알아보기 위하여 수행하였다. 실험재료로는 Rosa hybrida 'Red Sandra'와 'Little Marble' 두 품종을 사용하였다. 삽수 길이를 달리한 실험은 'Red Sandra'는 4, 7, 10cm, 'Little Marble'은 3, 5, 7cm 로 처리하였다. 소엽수를 달리한 실험은 삽수당 소엽 5매엽을 0, 2, 4, 또는 5매 남겼다. 삽수 채취부위를 달리한 실험은 꽃봉오리로부터 소엽 5매엽을 첫 마디로 하여 마디별 1~2, 3~4, 5~6, 7~8마디로 4처리하였다. 발근과 생장에 있어 삽수 길이는 두 품종 모두 7cm가 좋았다. 발근률에 있어 소엽을 5매 모두 남기고 1~2마디를 삽수로 이용시 두 품종 모두 좋은 결과를 나타냈다.

본 연구는 국화의 삽수 번식을 촉진할 수 있는 방사선의 적정선량 범위를 확인하고 저온저장과 방사선의 복합처리에 의한 영향을 알아보기 위해 수행하였다 삽수를 전개엽 3매, 길이 6cm로 균일하게 잘라 실험에 사용하였다. 네 주간의 저온저장 전과 후로 나누어 0∼70 Gy감마선을 조사하여 삽아하고 15일째와 20일째 발근 및 생육을 비교하였다. 그 결과 방사선 단일 처리에서는 30Gy 조사군이 높은 발근율과 빠른 근생장을 나타냈으며, 지하부 생육도 삽수 2

CGF(cellular glass foam)는 폐기된 유리물질을 재가공하여 입자화한 것으로 통기성과 배수성이 뛰어난 펄라이트와 이화학적 성질이 유사하여 칼란코에 영양번식용 배지로의 가능성이 있다. 따라서 CGF와 펄라이트를 각각 입상암면과 피트모스를 다양한 부피비로 혼합하여 Kalanchoe blossfeldiana ‘Gold Strike’의 생육을 비교하였다. 배지의 입자크기는 CGF 2.0~4.0mm, 펄라이트 1.2~4.0mm를 사용하였다. 평균온도 18.2℃와 상대습도 66.7% 조건의 미스트상에서 전조처리(명기 14h.d-1, 암기 10h.d-1)하여 재배하였다. 초장, 근장, 경경. 엽수, 엽면적, 발근율, 지상부와 지하부의 생체중과 건물중, 총 엽록소 농도, 그리고 배지의 이화학성을 조사하였다. 모든 처리구에서 100%의 발근율을 보였다. CGF와 펄라이트가 혼합된 배지의 이화학적 특성은 처리간 유의차가 적었다. 또한 CGF의 혼합배지에서 칼란코에의 생육은 펄라이트의 혼합 배지와 비교해 유사하거나 오히려 우수한 생육을 보였다 따라서 칼란코에의 영양번식용 배지로서 CGF의 사용 가능성이 입증되었으나 추후 CGf를 이용하기 위해 보다 폭넓은 실증실험과 분석이 필요하며, 높은 pH를 보정할 수 있는 적정 양액 개발되어야 할 것이다.

방울토마토 잠액 수경재배에 육묘단계를 생략한 재배기술을 확립하기 위하여 ‘Pico’, ‘Pepe’ 및 ‘Koko’ 3품종의 측지를 육묘상에서 15일간 육묘한 것과 양액 재배상에 바로 정식하고 양액의 농도를 표준과 50% 농도의 2수준으로 처리하여 생육상태와 수량을 조사하였다. 1. 직접정식이 육묘정식보다 초기 생육단계에서 초장이 길었고, 엽수가 많았으며 엽면적이 넓었다. 수확시기는 직접정식이 육묘정식보다 6일 정도 빨랐고 품종간에는 ‘Pepe’가 다른 2품종보다 빨랐으며 양액 농도간에는 차이가 없었다. 2. 과일 1개당 평균 무게는 정식묘가 양액의 농도에 따른 영향은 없었고 품종간에는 ‘Pepe’가 적었다. 그리고 수량은 표준농도의 양액에 직접 정식한 ‘Pepe’에서 가장 많았다. 3. 과즙의 당도는 직접 정식한 구가 육묘 정식한 구보다 높았고 품종간에는 ‘Pepe’가 높았다.

목본식물에 대한 Al독성에 관한 기초자료를 얻고자, 이농도별(1.0, 2.5 및 5.0mM)수용액과 대조구로 지하수를 모래를 채운 화분에 삽목한 개나리와 플라타너스의 삽수에 1993년 4월 28일부터 6월 16일까지 주 3회씩 처리하였다. 6월 16일 삽목묘를 굴취하여 생장관련형질(신초의 생장, 엽수 및 엽록소함량)과 뿌리의 길이를 처리간 비교하였다. 모든 생장관련형질들(신초의 생장, 엽수 및 엽록소함량)에서 처리간 고도의 통계적 유의차가 인정되었으며, 뿌리생장의 경우 개나리삽목묘에서는 처리간 통계적 유의차가 인정되었으나, 플라타너스삽목묘에서는 처리간 유의차가 인정되지 않았다.

목본식물에 대한 Al독성에 관한 기초자료를 얻고자, Al농도별(1.0, 2.5및 5.0mM)수용액과 지하수에 수경삽목한 개나리삽수의 생장관련형질(신초의 생장, 엽수, 엽피해율 및 엽록소함량)을 처리간 비교하였다. 모든 생장관련형질들(신초의 생장, 엽수, 엽피해율 및 엽록소함량)에서 처리간 고도의 통계적 유의차가 인정되었으며. 1.0mM 정도의 Al수용액도 개나리삽수의 생장을 현저히 억제하였다.

This study was carried out to compare the survival and mutation rates and mutation spectrum by gamma-irradiation on rooted and unrooted cuttings of three spray type (‘Lovelydia’, ‘Yellowbabe’, and ‘Haetsal’) and two standard type (‘Vital’ and ‘Aqua’) cultivars in roses. Two groups, rooted and unrooted cuttings were gamma-irradiated at 70Gy for 24 hours. The irradiated rooted and unrooted cuttings were planted in a greenhouse, and survival, mutation rates and mutation spectrum were investigated 30 weeks after planting, respectively. As a result, survival and mutation rates ofgamma-ray irradiated plants were 16.4%~50.8% and 0~5.1% for unrooted cuttings, and 39.4%~55.1% and 0.7%~7.4% for rooted cuttings, respectively. In conclusion, both survival and mutation rates were a little higher on rooted cuttings than on unrooted cuttings. However, when only survived plants after gamma-ray irradiation were considered, mutation rates were 0~10% and 1.8%~14.1% for unrooted cuttings and rooted cuttings, respectively, showing no significant difference. In addition, diverse variations on color and number of petals or shape of flowers were detected both in plants from rooted and unrooted cuttings, which indicated that there was no significant difference in mutation spectrum between two groups.

Background: Planting vigorous cuttings that quickly develop shoots and roots is essential to the biological and economic success of producing medicinal flowers. The present study aimed to evaluate the effect of storage temperature and duration on seedling capacity in the propagation of Chrysanthemum indicum L. and to investigate the effect of rooting media on the growth of C. indicum L. after cutting.Methods and Results:Returning cuttings to supplemental cold storage (2.0 ± 1.0°C) may extend duration of cutting viability 6 weeks, returning cuttings to supplemental warm storage (25.0 ± 1.0°C) is not recommended. The treatment of the growing media experiments, which were conducted in the 2014 planting seasons, included sawdust, river sand, topsoil + sawdust, topsoil + poultry manure, sawdust + river sand, river sand + poultry manure, topsoil + river sand + poultry manure, topsoil + poultry manure + river sand + sawdust. Result indicated that the topsoil + poultry manure media performed best and supported the highest number of branches (3.47), branch length (26.39), and number of leaves (88.63).Conclusions:The results of the present study suggest that cold storage and the topsoil + poultry manure growth media was superior in supporting the early establishment of C. indicum cutting, this result will have a tremendous influence on propagation of this species.

Background : Chrysanthemum indicum L. is used in medicine, for bee, ornamental as multivoltinism plant resources. The purpose of this study was to evaluate methods of rooting promotion to make high quality medicinal plants, thereby increasing farm income. This study investigated the effects of different cuttage period, extraction site, shading degree, nursery tray for promoting cutting slips rooting in Chrysanthemum indicum L. Methods and Results : It is used New variety "Gamkuk 1" that were forstered in Gyeongsangnam-do Agricultural Research & Extension Services. Method of application with cuttage period were conducted under five condition; Around the middle of April, Toward the end of April, Early in May, Around the middle of May, Toward the end of May. Early in May plant length was longer than other cuttage period as 41.2%, 83.7% and are significant at significance level 0.05. Method of application with extraction site were conducted under three condition; 1 - 3 node, 4 - 6 node, 7 - 9 node. Leaf number in 1 - 3 node was more than other extration site as 19.4%, 33.6%. Also root length in 1 - 3 was more than other extration site as 10.5%, 23.2%. Method of application with shading degree were conducted under three condition; 50%, 70%, 90%. Plant length in 50 - 70% was longer than 90% shading degree as 23.8%, 24.2%. Also shading degree 50 - 70% had many root length and root number. Method of application with nursery tray were conducted under five condition; 72, 105, 128, 162, 200 tray. Plant length in 105, 128 tray was longer as 8.5 - 35.3% than other nursery tray and are significant at significance level 0.05. Conclusion : According to the results, Early in May, extraction site 1 - 3 node, shading degree 50 - 70%, nusery tray 105, 128 showed the highest growth on cutting slips root promotion in Chrysanthemum indicum L.

Background : This study was conducted to developed the propagation method by cutting for mass cultivation of Vitex roundifolia. We were pitched the cutting two times and treated plant growth regulators to enhance the rooting percentage. Vitex roundifolia is live in beach sandy soil south of Hwanghae-Do and Gangwon-Do. Vitex roundifolia have been used to bath foam. It is good for aromatic plant. It has 0.8% essential oil content in leaf and flower. Major components of essential oil were alpha-Pinene, Sabinene, beta-Pinen, 1,8-cineole, d-Limone. Despite the superior usability, it had not yet been made by the artificial cultivation Methods and Results : We were pitched the cutting of a first-year branch on June 5, which was greenwood cutting and July 17, which was semi-hardwood cutting at Kwangseung-ri beach, Gochanggun, Jeonbuk. The length of cutting was 10cm. It had 3～4 nodes, we stuck a cutting remain 2 nodes above ground on ordinary raise seedling soil. Rooting percentage was measured at 60 days after stuck a cutting. Rooting percentage was higher greenwoody cutting(95%) than semi-hardwood cutting(57.6%). In green wood cutting, there was no significance with plant growth, but chemical injury was occurred in IBA 5,000ppm. In semi-hardwood cutting, there was significance with plant growth regulators. The rooting percentages of all the treat were higher than control(no treatment). Rooting percentage was the highest in NAA 5,000ppm treated. Conclusion : Greenwood cutting method was more proper to propagation for Vitex roundifolia than semi-hardwood cutting. The optimum time to cutting for Vitex roundifolia propagation was the early in June. If miss a time to propagation Rooting percent was elevated by plant growth regulator.

The study was conducted on the effects of time of defoliation on fruit quality of pear (Pyrus pyrifolia Nakai) trees, managing with low-pesticides, and regrowth of stem cuttings in vitro. Treatments included for 40% of uniform defoliation at early-August, end-August, and early-September, as well as control (no defoliation). Defoliation at early-September and control increased growth of water sprouts as well as concentrations of carbohydrates, total nitrogen, and free sugar in one-year old shoots. Defoliation at early-September and control increased fruit yield and mean fruit weight, with high soluble solids content and fruit surface color of a* observed for both defoliation at end-August and early-September. Defoliation at early-August increased rates of electrolyte leakage in stem cuttings at -18℃ in vitro. There were no significantly different for germination rates of the cuttings between the treatments at -18 and -21℃ in vitro, with the highest germination of the cuttings observed for defoliation at early-September and control at -27℃. Therefore, orchard management should be performed to be minimized for defolia-tion of the spur leaves until end-August, causing from precipitation and pests.

The objective of this study was to establish the optical storage condition in cutting slips of Lycium chinense Mill. We investigated the different influential growth factor of this plant including two soil types (soil and vermiculite) and storage methods (gauze, parafilm, vinyl, and paper). Our result revealed that the formation of axillary bud was highest (4.8 ± 0.75 ea) from the cutting slips stored in vinyl and vermiculite treatment. Root length was long (2.8 ± 0.13 ea) in parafilm storage using soil. Maximum plant height was 135.33 ± 12.81㎝ with gauze storage using vermiculite. The number of leaves was maximum (130 ± 2.5 ea) at 90 days from the cutting slips of gauze storage using vermiculite. Highest number of fruit was harvested (149 ± 16.05 ea) from the cutting slips stored in parafilm and grown in vermiculite. It can be concluded that the storage treatment and soil type influence the affecting to general growth of Lycium chinense Mill.

This study was conducted to investigate the effect of shading degree and rooting media on the growth of Caragana sinica and Sedum middendorffianum after cutting. In C. sinica, the highest rooting rate was obtained in cuttings planted in horticultural soil (Sunshine Mix #1) and peat moss mixture (peat moss : perlite = 1 : 1, v/v) under one layer of 35% shading and in cuttings planted in kanumatsuchi soil mixture (kanumatsuchi soil : decomposition of granite = 1 : 1, v/v) under non-shading. Whereas, regardless of shading degree, most cuttings of S. middendorffianum rooted in both horticultural soil and peat moss mixture. Cuttings of C. sinica showed the highest root length, 10.4㎝ in kanumatsuchi soil mixture under one layer of 35% shading but the highest fresh and dry weight of roots in kanumatsuchi soil mixture under non-shading. In S. middendorffianum, the highest root length, fresh and dry weight of root were obtained in cuttings planted in horticultural soil under non-shading. With these results, we recommended that cuttings of C. sinica should be propagated in kanumatsuchi soil mixture under non-shading and cuttings of S. middendorffianum in horticultural soil under non-shading.

클레마티스의 번식은 종자 및 삽목번식으로 하는데, 삽목 성공 률이 낮아 번식에 어려움이 있다. 이에 효과적인 번식법으로 삽목 번식 방법을 구명하고자 클레마티스 삽수를 채취하여 유리온실에 서 본 실험을 수행하였다. 삽수길이는 1마디와 2마디 길이로 하였 으며, 배지는 단용배지로 피트모스, 펄라이트, 버미큘라이트, 발근 제는 IBA 4000mg·L-1 3초 침지, IBA 500mg·L-1 30분 침지와 루 톤을 처리하였다. 클레마티스의 발근기간은 약 10주가 소요되었 다. 클레마티스의 삽수 마디길이를 2마디보다 1마디로 하였을 경 우 발근율이 약 43% 증가하였다. 1마디 삽수의 경우 발근제 루톤 분의 처리 시 발근율은 대조구보다 약 7% 더 향상되었다. 따라서, 삽수 양이나 삽목 후 관리를 고려할 때, 1마디 삽수를 이용하는 것 이 효과적인 것으로 보인다. 배지와 발근제에 따른 발근율은 버미 큘라이트와 IBA 4,000mg·L-1 처리에서 96%로 가장 높았으며, 뿌 리수와 뿌리 길이도 IBA 4,000mg·L-1 및 루톤 처리에서 우수하였 다. 즉, 1마디 삽수를 버미큘라이트 배지에 삽목한 경우 발근율은 평균 약 80-83%로 피트모스와 펄라이트보다 약 25-29%, 13-39% 더 높았으며, 버미큘라이트 배지에 IBA 4,000mg·L-1 침지처리 시 발근율이 89-96%로 9-13%가 더 증가되어 가장 효과적이었다